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Previous Chapter Five sp Table of Contents Glossary sp Down

Guidebook to the Geology of Travis County

Chapter 5 : Collecting Localities for Fossils in Austin

Keith Young

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Many fossils have been collected in the Austin area. Some of the localities listed in the following pages can be collected without permission. Other localities require permission. The fossils listed are those that have been found at these areas. Undoubtedly not all have been listed.


GLEN ROSE LIMESTONE

West side of Mount Bonnell, Travis County, Texas, along Mount Bonnell Road.

FORAMINIFERIDA
Lituola subgoodlandensis (Vanderpool)
Haplophragmoides globosa Lozo
H. trinitensis Lozo
Buccicrenata subgoodlandensis (Vanderpool)
Tritaxia glenrosensis
Orbitolina texana (Romer)

PELECYPODA
Neithea irregularis (Bose)
Monopleura sp.
Ceratostreon weatherfordensis (Cragin)

GASTROPODA
Nerinea austinensis (Romer)
Nerinoides sp.

ECHINOIDEA
Loriola texana (Romer)


GLEN ROSE LIMESTONE

East Bull Creek, just east of old Spice Springs Road Crossing, east of West Loop Bridge, Travis County, Texas

FORAMINIFERIDA
Haplophragmoides globosa Lozo
H. trinitensis Lozo
Lituola subgoodlandensis (Vanderpool)
L. camerata Lozo
Ammobaculites goodlandensis Cushman & Alexander
A. laevigata Lozo
T. subcretaceus Cushman & Alexander
Buccicrenata subgoodlandensis (Vanderpool)
Flabellammina alexanderi Cushman
Tritaxia glenrosensis fft-ead
Orbitolina texana (Romer)
Coskinolinoides texanus Keijzer
Dictyoconus walnutensis (Carsey)
Barkerina barkerensis Frizzell & Schwartz
Vitrewebbina laevis (Sollas)
Conorbina conica Lozo

PELECYPODA
Trigonia crenulata (Romer)
Anatina hanseni M. Shitney
Pholadomya knowaltoni Hill
Pleuromya henseli Hill
Ceratostreon weatherfordensis (Cragin)
Ostrea wardi Hill & Vaughan

ECHINOIDEA
Loriola texana (Romer)
ALGAE
Porocystis globularis (Giebel)


GLEN ROSE LIMESTONE

Upper part, between West Bull Creek and East Bull Creek, along Northwest Loop, Austin, Travis County, Texas

PELECYPODA
Igonearca sp.
Modiolus sp.
Trigonia sp.
Arctica roemeri (Cragin)
Pholadomya sp.
Ceratostreon weatherfordensis (Cragin)

GASTROPODA
Lunatia (?) sp.

ECHINOIDEA
Loriola texana (Romer)

VERMES
Serpula sp.


WALNUT FORMATION - Bull Creek Member

Highway 2222, east of Hickmantown, along the hill below the Feed Lot Cave

PELECYPODA
Gastrochaena sp.
Texigryphaea mucronata (Bagg)
Ceratostreon texanum (Romer)


WALNUT FORMATION - Bee Cave Member

City Park Road, at top of hill south of Bull Creek, Travis County, Texas

FORAMINIFERIDA
Dictyoconus walnutensis (Carsey)

PELECYPODA
Neithea irregularis (Bose)
Texigryphaea mucronata (Gabb)
Ceratostreon texanum (R'O'mer)

GASTROPODA
Tylostoma sp.

CEPHALOPODA
Metengonoceras ambiguum (Hyatt)
M. hilli (Hyatt)

ECHINOIDEA
Loriola whitneyi Ikins
Enallaster texanum (Romer)


WALNUT FORMATION - Bee Cave Member

Just south of Cat Mountain along Walnut Clay Drive, Austin, Travis County, Texas

PELECYPODA
Paleopinna comanchensis (Cragin)
Paraesa sp.
Texigryphaea mucronata (Gabb)
Ceratostreon texanum (Romer)

GASTROPODA
Alipes sp.
Nerinoides sp.
Tylostoma sp.

ALGAE
Porocystis globularis (Giebel)


WALNUT FORMATION - Bee Cave Member

Travis County Park in Northwest Hills along Balcones Trail, one block south of Hart Lane, Austin, Travis County, Texas

FORAMINIFERIDA
Dictyoconus walnutensis (Carsey)

PELECYPODA
Neithea irregularis (Bose)
Paraesa sp.
Texigryphaea mucronata (Gabb)
Ceratostreon texanum (Romer)

ECHINOIDEA
Loriola whitneyi (Ikins)
Tetragramma taffi Cragin
Enallaster texanus (Romer)


WALNUT FORMATION - Bee Cave Member

Northwest Loop just east of Spicewood Springs ramp, Austin, Travis County, Texas

FORAMINIFERIDA
Dictyoconus walnutensis (Carsey)

PELECYPODA
Igonearca sp.
Neithea irregularis (Bose)
Granocardium speciosum (Bose)
Texigryphaea mucronata (Gabb)
Ceratostreon texanus (Romer)

GASTROPODA
Alipes sp.
Turritella sp.

ECHINOIDEA
Tetragramma taffi Craqin
Enallaster texanus (Romer)


WALNUT FORMATION - Cedar Park Member

Bee Cave Road at intersection with West Loop, northeast side of road along cliff, Austin, Travis County, Texas

FORAMINIFERIDA
Dictyoconus walnutensis (Carsey)

PELECYPODA
Texigryphaea mucronata (Gabb)
Ceratostreon texanum (R'o'mer)

ALGAE
verticellate algae


EDWARDS LIMESTONE

Bluff south of Red Bud Trail along the west bank of the Colorado River, Austin, Travis County, Texas

PELECYPODA
Chondrodonta munsoni (Hill)
Lucina acutelineataRomer
Monopleura marcida White
M. pinguiscula White
M. texana Romer
Toucasia patagiata (White)
T. texana
Caprinuloidea crassifibra (Romer)
Eoradiolites davidsoni Hill

GASTROPODA
Amauropsis avellana (Romer)
Architectonica planorbis (Romer)
Ceritella glabra Stanton
C. proctori (Cragin)
Cerithium austinense Romer
C. bartonense Stanton
C. coloradoense Stanton
C. kickapooense Stanton
C. obliterogranosum Romer
C. pecosense Stanton
C. shattucki Stanton
Epitonium austinense Stanton
Margarites bartonensis Stanton
M. bartonensis vaughani Stanton
M. browni (Cragin)
Monodonta bartonensis Stanton
M. minuta Stanton
Nerinea pellucida Cragin
Nerita apparata Cragin
Nerinoides austinensis (Romer)
N. gemmata (Stanton)
N. gemmata parvilineata (Stanton)
N. pseudoconvexa (Stanton)
N. subula (R6mer)
Pileolus septangularis Stanton
Rimula vaughani Stanton
Solariella serrata Stanton
Tainostom (?) austinensis Stanton
Trochactaeon parvus Stanton
T-rochus texanus (Romer)
Triforis antiquus Stanton
operculae of neritid gastropods

COELENTERATA
Cladophyllia furcifera (Romer)
Pleurocora texana Romer
P. coalescens Romer
Coelosmilia americans Romer
Parasmilia austinensis Romer


GEORGETOWN LIMESTONE

Pease Park, in Shoal Creek, opposite the hill on Martin Luther King Jr. (19th) Street, Austin, Travis County, Texas

GASTROPODA
Turritella austinensis Ellisor
T. bonnellensis Ellisor
T. georgetownensis Ellisor

CEPHALOPODA
Plesioturrilites brazoensis (R'O'mer)
Mortoniceras wintoni (Adkins)
Durnovarites adkinsi Young
Graysonites adkinsi Young


GEORGETOWN LIMESTONE

Huck's Slough, just west of the Albert Ulrich Water Purification Plant on the north side of 34th Street, Austin, Travis County, Texas

FORAMINIFERIDA
Textularia rioensis Carsey
T. washitensis Carsey
Gaudryina boaquensis Loeblich & Tappan
Hedbergella delrioensis (Carsey)
H. washitensis (Carsey)

PELECYPODA
Pecten bonnellensis Kniker
Neithea altana Kniker
N. bellula (Cragin)
N. georgetownensis Kniker
N. subalpina (Bose) var. linki Kniker
N. subirregularis Kniker
N. texana (Romer)
N. theodori Kniker
Neithella wrighti (Shumard)
Texigryphaea (?) gibberosa (Cragin)
Texigryphaea washitaensis (Hill)
Ceratostreon walkeri (White)
Ilymatogyra arietina (Romer)
Arctostrea sp. aff. A. carinata (Lamarch)

GASTROPODA
Turritella bonnellensis Ellisor
T. planilateris Conrad
T. simondsi Ellisor

CEPHALOPODA
Eopachydiscus brazoensis (Shumard)
Pervinguieria equidistans (Cragin)
Drakeoceras kummeli Young
D. lasswitzi Young

BRACHIOPODA
Kingena wacoensis (Shumard)


DEL RIO CLAYSTONE

Just above contact with Georgetown Limestone, Pease Park, about Martin Luther King Jr. (19th) Street and Shoal Creek, Austin, Travis County, Texas

FORAMINIFERIDA
Reophax incompta Loeblich & Tappan
Haplophragmoides concavus (Chapman)
Ammobaculites dentonensis Tappan
Ammobaculoides plummerae Loeblich
Triplasia excavatum (Reuss)
Acruliammina longa (Tappan)
Spiroplectammina longa Lalicker
Textularia rioensis Carsey
Trochammina wickendeni Loeblich
Gaudryina bosquensis Loeblich & Tappan
Eggerella graysonensis Tappan
Massilina planoconvex Tappan
Nodosaria lepida Reuss
N. obscura Reuss
Citharina complanata (Reuss)
Dentalina debilis (Berthelin)
D. hanunensis (Franke)
D. striatifera Tappan
Lagena apiculata (Reuss)
Denticulina gaultina (Berthelin)
Marginulina tenuissima Reuss
M. tripleura (Reuss)
Guttulina expolita Bullard
Histopomphus cervicornis (Chapman)
H. redriverensis (Tappan)
Ramulina globulifera Brady
Neobulimina minima Tappan
Bulimina nannina Tappan
Discorbus minima Vieaux
D. minutissima Tappan
Valvulineria asterigerinoides Plummer
Spirillina minima Schacko
Turrisipirillina subconica Tappan
Patellina subcretacea Cushman & Alexander
Heterohelix washitensis (Tappan)
Globorotalia delrioensis Plummer
G. marginaculeata Loeblich & Tappan
Globigerina planispira Tappan
G. ruqosa Plummer
Fursenkoina minuta (Cushman)
Gyroidina loetterlei Tappan
Anomalina petita Carsey


DEL RIO CLAYSTONE

Middle part, at the west bank of Shoal Creek about 32nd Street, Austin, Travis County, Texas

FORAMINIFERIDA
Reophax minuta Tappan
Haplophragmoides concavus (Chapman)
Ammobaculites cuyleri Tappan
A. euides Loeblich & Tappan
A. goodlandensis Cushman & Alexander
A. subcretaceous Cushman & Alexander
Ammobaculoides gainesvillensis Loeblich & Tappan
Spiroplectammina longa Lalicker
Textularia rioensis Carsey
T. washitensis Carsey
Trochammina wickendeni Loeblich
Gaudryina bosquensis Loeblich & Tappan
Gaudryinella delrioensis Plummer
Eggerella graysonensis (Tappan)
Massilina planoconvexa Tappan
Nodosaria amphioxys Reuss
N. barkeri Vieaux
N. lepida Reuss
N. obscura Reuss
N. scotti Tappan
Chrysalogonium granti (,Plummer)
Citharina complanata (Reuss)
C. complanata persistriata (Tappan)
C. duckcreekensis (Tappan)
C. kochii (Romer)
C. recta (Reuss)
Dentalina communis (d'Orbigny)
D. debilis (Berthelin)
D. striatifera (Tappan)
Lagena apiculata (Reuss)
L. sulcata Walker & Jacob
Lenticulina gaultina (Berthelin)
Marginulina enigmata (Bullard)
M. tennuissima Reuss
Saracenaria cushmani Tappan
S. duckcreekensis Tappan
Lingulina furcillata Berthelin
L. nodosaria Reuss
Glandulopleurostomella ozawai (Tappan)
Guttulina expolitaBullard
Pseudopolymorphina roanokensis Tappan
Pyrulina cylindroid (Romer)
Histopomphus cericornis (Chapman)
H. redriverensis (Tappan)
Ramulina globulifera Brady
Washitella typica Tappan
Tristix excavata (Reuss)
Neobulimina minima Tappan
Bulimina nannina Tappan
Discorbis minima Vieaux
D. minutissima Tappan
Valvulineria asterigerinoides Plummer
Spirillina minima Schacko
Guembelitria harrisi Tappan
Heterohelix washitensis (Tappan)
Globorotalia delrioensis Plummer
Hedbergella planispira (Tappan)
H. rugosa (Plummer)
H. delrioensis (Carsey)
H. washitensis (Carsey)
Pleurostomella watersi Cushman
Fursenkoina minuta (Cushman)
Anomalina petita Carsey

PELECYPODA
Ilymatogyra arietina (Romer)
Ostrea perversa Cragin

CEPHALOPODA
Plesioturrilites brazoensis (Romer)
Graysonites spp.


DEL RIO CLAYSTONE

Upper part, at the intersection of Barton Springs Road and Lamar Boulevard, Austin., Travis County, Texas

FORAMINIFERIDA
Cribratina texana (Conrad)
Ammobaculites dentonensis Tappan
Flabellammina alexanderi Cushman
Placopsilina minima Tappan
Acruliaramina longa (Tappan)
Textularia rioensis Carsey
Trochammina wickendeni Loeblich
Eggerella graysonensis (Tappan)
Massilina planoconvexaTappan)
Nodosaria lepida Reuss
N. obscura Reuss
Citharina complanata persistriata (Tappan)
C. duckcreekensis (Tappan)
C. recta (Reuss)
Dentalina communis (d'Orbigny)
D. debilis (Berthelin)
D. triatifera (Tappan)
Lagena apiculata (,Reuss)
Lenticulina gaultina (Berthelin)
Marginulina enigmata (Bullard)
M. tripleura (-Reuss)
Glandulopleurostomella ozawai (Tappan)
Histopomphus cervicornis (-Chapman)
Ramulina pullardaeFrizzell
R. globulifera BFa-dy
Tristix acutanglula (Reuss)
Neobulimina minima Tappan
Bulimina nannina Tappan
Discorbis minima Vieaux
D. minutissima Tappan
Heterohelix washitensis (Tappan)
Globorotalia delrioensis Plummer
G. marginaculeata Loeblich & Tappan
Hedbergella rugosa (Plummer)
H. planispira (Tap-pan)
Gyroidina loetterlei Tappan
Anomalina petita Carsey


BUDA LIMESTONE

Bear Creek, south of Manchaca, Travis County, Texas

PELECYPODA
Pecten manchacensis Kniker
Neithea budensis Kniker
N. simondsi Kniker
N. whitneyi Kniker
Ceratostreon walkeri (White)

GASTROPODA
Turritella budaensis Whattuck
T. manchacensis Ellisor

CEPHALOPODA
Mantelliceras budaense Adkins
Budaiceras eleganitor (Lasswitz)
Faraudiella roemeri (Lasswitz)

COELENTERATA
Actinostromaria dehorneae Wells
Axosmilia quaylei (Wells)
A. whitneyi (Wells)

PORIFERA
Verticellites budaensis Wells


BUDA LIMESTONE

West Bouldin Creek at the Missouri Pacific Railroad track,, Austin, Travis County, Texas

PELECYPODA
Granocardium budaensis Shattuck
Homomya vulgaris Shattuck

GASTROPODA
Cerithium texanum Shattuck
Turritella budaensis Shattuck

ECHINOIDEA
Goniopygus sp.


BUDA LIMESTONE

Between Barton Creek and Lamar Boulevard, along the south side of Barton Springs Road, Austin, Travis County, Texas

PELECYPODA
Barpatia simondsi Whitney
Trigonia emoryi Conrad
Protocardia texana Conrad

GASTROPODA
Cerithium shumardi Whitney
Cinulia pelleti Whitney
Turritella bartonensis Ellisor
T. budaensis Shattuck
Tylostoma hilli Whitney -.
T. harrisi WhiTney

CEPHALOPODA
Plesioturrilites brazoensis (Romer)
Budaiceras texanum (Shattuck)

ARTHROPODA
Graptocarcinus texanus Romer


BUDA LIMESTONE

Shoal Creek, Austin, Travis County, Texas

PELECYPODA
Barbatio simondsi Whitney
Modiolus austinensis (Whitney)
Gervillia invaginata White (?)
Neithea guinquecostatus (Sowerby)
N. roemeri (Hill)
Neithella wrighti (Shummard)
Spondylus cragini Whitney
S. texanus Whitney
Anomia geniculata Whitney
Lima wacoensis Romer
Trigonia emor:ci Conrad
Stearhsia robinsi White
Granocardium budaense Shattuck
Protocardia texana Conrad
Anatina austinensis Shattuch
A. texana Shattuck
Ptychomya ragsdalei (Cragin)
"Isocardia medialis" Conrad
Meretrix leonensis (Conrad)
Paraesa austinensis (Whitney)
Gastrochaena ruperti (Whitney)
Pholadomya roemeri Shattuck
Homomya budaensis Whitney
H. vulgaris Shattuck
Pachymya budaensis Whitney
Texigryphaea roemeri (Marcou)
Exogyra clarki Shattuck
Arctostrea carinata (Lamarck)

GASTROPODA
Cerithium hilli Whitney
C. shumardi Whitney
C. stantoni Whitney
C. (?) texana Shattuck
Cinulia conradi Whitney
Cylindrites whitei Whitney
Fusus simondsi Whitney
F. texanus Shattuck
Harpagodes shumardi (Hill)
Pleurotomaria stantoni Shattuck
Turritella bartonensis Ellisor
T. budaensis Shattuck
T. felteri Ellisor
T. shippi Ellisor
Tylostoma harrisi Whitney
T. hilli Whitney
Volutilithies austinensis Whitney

CEPHALOPODA
Paracymatoceras hilli (Shattuck)
Plesioturrilites brazoensis (Romer)
P. roembri (Whitney)
Turrilites wysogorski Lasswitz
Budaiceras curvatum (Lasswitz)
B. elegantior (Lasswitz)
B. evae (Lasswitz)
B. hyatti (Shattuck)
Faraudiella roemeri (Lasswitz)
F. texanum (Shattuck)
Hantelliceras budaense Adkins
M. saxbyi (Sharpe)

ECHINOIDEA
Cottaldia rotula Clark
Holectypus planatus Romer
Nucleolites angustatus (Clark)
Enallaster bravoense Bose
E. traski Witney
Hemiaster calvini Clark

COELENTERATA
Actinostromaria dehorneae Wells
Astrocoenia budaensis Wells
Epistreptophyllum budaensis (Wells)
Trochoseris shattucki Wells
Trocharea bakerae (Wells)
Dimorpharaea manchacaensis Wells
Budaia travisensis Wells
Axosmilia saxifisi (Wells)
Montastrea texana (Vaughan)
Caryophillia comanchei Wells

PORIFERA
Verticellites budaensis Wells

ARTHROPODA
Graptocaricinus texanus Romer


EAGLE FORD FORMATION

Travis-Wi.Iliamson County line, east of Interstate Highway 35

CEPHALOPODA
Baculites gracilis Shumard
Proplacenticeras pseudoplacenta (Hyatt)
Kanabiceras septemseriatim (Cragin)
Pseudaspidoceras sp. aff. P. armatum (Pervinquiere)
Coilopoceras chispaense Adkins
C. eaglefordense Adkins
C.springeri Hyatt
Prionocyclus hyatti Stanton


EAGLE FORD FORMATION

West Bouldin Creek-, Austin, Travis County, Texas

FORAMINIFERIDA
Heterohelix globulosa (Ehrenberg)
Hedbergella rugosa (Plummer)

PELECYPODA
Nicaisolopha lugubris (Conrad)

CEPHALOPODA
Coilopoceras eaglefordense Adkins
Prionocyclus hyatti Stanton


EAGLE FORD FORMATION

Along tributary to Walnut Creek, Oak Haven Waterfall, Watters Park, Austin, Travis County, Texas

CEPHALOPODA
Baculites gracilis Shumard
Scaphites morrowi Jeletzky
Kanabiceras septemseriatim (Cragin)
Pseudaspidoceras sp. aff. P. armatum (Pervinquiere)
Pseudaspidoceras adkinsi (Kummel and Decker, 1954)
Coilopoceras chispaense Adkins
C. colleti Hyatt
C. eaglefordense Adkins
C. springeri Hyatt
Prioncyclus hyatti Stanton

ATCO FORMATION

West Bouldin Creek, Austin, Travis County, Texas

PELECYPODA
Inoceramus subquadratus Schulter

CEPHALOPODA
Peroniceras haasi Young


VINSON FORMATION

Hancock Golf Course, Waller Creek, Austin, Travis County, Texas

PELECYPODA
Idonearca sp.
Exogyra sp. aff, E. aquila Goldfuss
Rhynchostreon.(?)-sp. aff. R. suborbiculata (Lamarck)

CEPHALOPODA
Texanites texanus (Romer)


VINSON FORMATION

Vinson Creek, just south of Bluff Springs Road, mile south of Onion Creek Bridge, Travis County, Texas

PELECYPODA
Exogyra sp. aff. E. aquila Goldfuss
Rhynchostreon (?)-sp. aff. R. suborbiculata (Lamarck)
Aegerostria sp.


JONAH FORMATION

San Gabriel River crossing at Jonah, Williamson County, Texas

PELECYPODA
Idonearca sp.
Spondylus quadalupae Romer
Pychodonte aucella (Romer)
Actinostreon travisana (Stephenson)

CEPHALOPODA
Texanites americanus (Lasswitz)

ECHINOIDEA
Hemiaster texanus Bose


DESSAU FORMATION

Little Walnut Creek, upstream from the bridge at Highway 290, Austin, Travis County, Texas

PELECYPODA
Inoceramus spp.
Spondylus guadalupae Romer
Pychodonte aucella (Romer)
Exogyra laeviuscula Romer
E. ponderosa Romer
E. tigrina Stephenson

CEPHALOPODA
Glyptoxoceras ellisoni Young
Smedaliceras durhami Young
Scaphites sp. cfr. S. leei Reeside
Submortoniceras tequesquetense Young

BRACHIOPODA
Terebratulina quadalupae (ROmer)

CRINOIDEA
Marsupites americanus Springer


DESSAU FORMATION

Old Turnersville Road crossing of Rinard Creek, southwest of Pilot Knob, Travis County, Texas

PELECYPODA
Pychodonte aucella (Romer)
Exogyra laeviuscula Romer
E. tigrina Stephenson

CEPHALOPODA
Anapachydiscus sp.
Suboftoniceras tequesquetense Young

BRACHIOPODA
Terebratulina guadalupae (Romer)


DESSAU FORMATION

Brushy Creek, just downstream from old iron bridge on Hutto-New Sweden Road, Williamson County, Texas

PELECYPODA
Idonearca sp.
Inoceramus spp.
Pychodonte aucella (Romer)
Exogyra laeviuscdla Romer
E. ponderosa Romer
E. tigrina Stephenson

CEPHALOPODA
Eutrephoceras campbelli Meek
Glyptoxoceras ellisoni Young
Texanites shiloensis Young
Bevanites bevahensis Collignon
Submortoniceras tequesquetense Young
Australiella pattoni Young
Larroisiceras dentatocarinatum (Romer)
Pseudoshloenbachia mexicana (Renz)

BRACHYOPODA
Terebratulina guadalupae (Romer)


BURDITT FORMATION

Little Walnut Creek, just upstream from the bridge at Highway 290, Austin, Travis County, Texas

FORAMINIFERIDA
Citharina texana (Cushman)
Marginotruncana concavata (Cushman)

PELECYPODA
Ostrea centerensis Stephenson

CEPHALOPODA
Smedaliceras durhami Young
Parapuzosia boesei Scott & Moore
Eupachydiscus jimenezi (Renz)

CRINOIDEA
Marsupites americanus Springer


BURDITT FORMATION

Old Turnersville Road crossing of Rinard Creek, south- west of Pilot Knob, Travis County, Texas

PELECYPODA
Ostrea centerensis Stephenson

CEPHALOPODA
Smedaliceras durhami Young
Parapuzosia boesesi Scott & Moore
Eupachydiscus jimenezi (Renz)
Submortoniceras vanuxemi (Morton)
Menabites densinodosus (Renz)


PFLUGERVILLE FORMATION

Bridge over Little Walnut Creek at Springdale Road, Austin, Travis County, Texas

FORAMINIFERIDA
Manorella proteus Grice
Siphogaudryina austinana Cushman
Pseudogaudryina ellisorae Cushman
Dentalina alternate (Jones)
Frondicularia watersi Cushman
F. inversa Reuss
Tseudofrondicularia intermittens (Reuss)
P. bidentata (Cushman)
Kyphopyxa christneri (Carsey)
Lagena acuticosta Reuss
L. globosa Montagu
L. hispidaReuss
Saracenaria triangularis (d'Orbigny)
Ramulina aculeata (d'Orbigny)
Buliminella carseyae Plummer
Eouviqerina austinana Cushman
Pseudouvigerina plummerae Cushman
Hasteri voluta (White)
Globotruncana fornicate Plummer
Planulina texana Cushman
Cibicides constrictus (Hagenow)
Anomalina nelsoni (Berry)

PELECYPODA
Neithea casteeliKniker
Idonearca sp.
Exogyra ponderosa (Romer)
E. ponderosa erraticostata Stephenson

CEPHALOPODA
Menapites walnutensis Young

BRACHIOPODA
Terebratulina guadalupae (Romer)


PFLUGERVILLE FORMATION

Little Walnut Creek, upstream from the bridge at Highway 290, Austin, Travis County, Texas

FORAMINIFERIDA
Gaudryina austinana (Cushman)
G. eliisorae (Cushman)
Pseudogaudryinella capitosa (Cushman)
Pseudoclayulina clavata (Cushman)
Loxostomoides cushmani (Wickendeni)

PELECYPODA
Exogyra ponderosa erraticostata Stephenson
Aegerostria sp.


PFLUGERVILLE FORMATION

South bank of Walnut Creek at old Sprinkle Road crossing, north of Austin, Travis County, Texas

PELECYPODA
Inoceramus sp.
Pychodonte aucella (Romer)
Exogyra ponderosa Romer
E. ponderosa erraticostata Stephenson
Aegerostria sp.
Actinostreon travisana (Stephenson)

CEPHALOPODA
Baculites sp. indet.
Delawarella delawarensis (Morton)


McKOWN FORMATION

McKown Quarry, below McKinney Falls State Park, north bank of Onion Creek, Travis County, Texas

PELECYPODA
Exogyra ponderosa ertaticostata Stephenson

CEPHALOPODA
Delawarella delawarensis (Morton)


SPRINKLE FORMATION

About seven feet above the base, on Little Walnut Creek, 0.2 miles downstream from the bridge on Springdale Road, Travis County, Texas

FORAMINIFERIDA
Spiroplectammina lalickeri Albritton & Phleger
Clavulina clavata (Cushman)
Pseudogaudryinella capitosa serrulata (Cushman)
Nodosaria affinis Reuss
Dentalina legumen Reuss
Frondicularia intermittens Reuss
Hyphopyxa christneri (Carsey)
Lagena acuticosta Reuss
L. hispida Reuss
Buliminella canadaensis Plummer
Neobulimina canadensis Cushman & Wickenden
Eouvlgerina aculeata Cushman
Bulimina exigua Cushman & Parker
B. rudita Cushman & Parker
Valvulineria infrequens morrow
Heterohelix globocarinata (Cushman)
H. plummerae (Loetterle)
Globotruncana cretacea Cushman
Fursenkoina tegulata (Reuss)
Loxostomum cushmani Wickenden
Nonionella austinanaCushman
Gyroidina depressa (Altn)
Planulina texana Cushman


PECAN GAP CHALK

Walnut Hill Area, east of Austin, Travis County, Texas

FORAMINIFERIDA
Ammodiscus cretaceus (Reuss)
Haplophragmoides excavatus Cushman & Waters
Ammobaculites stephensoni Cushman
Clavulinoides disjunctus (Cushman)
C. trilaterus (Cushman)
C. whitei (Cushman & Jarvis)
Spiroplectammina cretosa Cushman
S.semicomplanata (,Carsey)
Bolivinopsis rosula (Ehrenberg)
Textularia ripleyensis Berry
T. subconica Franke
Gaudryina bentonensis (Carmen)
Pseudogaudryina ellisorae Cushman
Clavulina clavata (.Cushman)
Heterostomella americans Cushman
H. austinana Cushman
Tritaxia ellisorae Cushman
Arenobulimina americana Cushman
Dorothia conula (Reuss)
D. oxycona (Reuss)
Eggerella trochoides (Reuss)
Nodosaria amphioxys Reuss
N. navarroana Cushman
N. obscura Reuss
N. caudigera (Schwager)
Chrysalogonium eximium Cushman
C. texanum Cushman
Citharina multicostata (Cushman)
C. wadei (,Kelley)
Dentalina aculeata Cushman
D. alternate (Jones)
D. planata Cushman
*Page 128 missing*
C. constrictus (Hagenow)
Plearostomella alexanderi (Cushman)
P. stephensoni (Cushman
P. subnodosa (Reuss)
Nodosarella gracillima Cushman
Loxostomum cushmani Wickenden
L. eleyi (C shman)
L. plaitum (Carsey)
Pullenia americans Cushman
Allomorphina minuta Cushman
Nonionella austinana Cushman
Gyroidina depressa (Alth)
G. globosa (Hagenow)
Globorotalites conicus (Carsey)
G. umbilicates (Loetterle)
Anomdlina ammonoides (Reuss)
A. clementiana (d'Orbigny)
A. henbesti Plummer
A. nelsoni (Berry)
A. inguis Jennings

PELECYPODA
Inoceramus spp.
Atreta cretacea (Stephenson)
Pychodonte vesicularis (Lamarch)
Exogyra ponderosa erraticostata Stephenson

CEPHALOPODA
Exiteloceras sp.
Baculites taylotensis Adkins
Hoplitoplacenticeras vari (Marrot)
Pachydiscus travisi (Adkins)

ECHINOIDEA
Echinocorys texanus (Cragin)


BERGSTROM FORMATION

Concretion zone near gate to Sandahl's Farm near Manda, Travis County, Texas

PELECYPODA
Nuculana tarensis Stephenson
Paleopinna laqueata Conrad
Inoceramus proximus Tuomy
Lima reticulate Forbes
Trigonia eufalensis Gabb
Cardium cliffwoodensis Weller
C. penderense Stephenson
C. ripleyanum
C. tenuistriatum (Whitfield)
C. vaughani Stephenson
Cymbophora triqonalis Stephenson
Glossus cliffwoodensis Weller
Cyprimeria depressa Conrad
Liophistna (Cymella) bella (Conrad)
Agerostria falcata (Morton)

GASTROPODA
Amauropsis meekana Whitfield
Anchura johnsoni Stephenson
A. pergracilis Johnson
A. solitaria Whitfield
Cypraea mortoni Gabb
Gyrodes altispira (Bagg)
G. alveata Conrad
Morea cancellaria Conrad
Natica abyssian Morton
N. globulella Whitfield
Polinices (Euspira) halli (Gabb)
Pyrifusus marylandicus Gardner
Pyropsis reileyi Whitfield
Scalaria hercules Whitfield

CEPHALOPODA
Eutrephoceras dekayi (Morton)
Baculites anceps Lamarck
B. asper Morton
B. ovatus Say
Placenticeras intercalate Meek
P. placenta (Dekay)
Manambolites ricensis Young

COELENTERATA
Micrabacia americans Meek & Hayden
M. cribraria Stephenson
M. rotatilis georgiana Stephenson
M. rotatilis Stephenson
Trochocyathes conoides (Bagg & Horn)


CORSICANA FORMATION

Cottonwood Creek Valley, northeast Travis County, Texas

FORAMINIFERIDA
Bulimina aspera Cushman & Parker
B. ovulum Reuss
Epistomella glabrata (Cushman)
Siphonina prima Plummer
Planulina correcta (Carsey)
Cibicides harperi (Sandidge)
Pleurostomella alexanderi immensia Cushman
Loxostomum plaitum (Carsey)
Anomalia nelsoni Berry

PELECYPODA
Crenella serica Conrad
Lima kimbroensis Stephenson
Venericardia webbervillensis Stephenson
Exogyra costata (Say)

VERMES
Hamqlus onyx Morton


CORSICANA FORMATION

In gully in west facing-slope on Cottonwood Creek Valley, 1/4 mile west of Kimbro and 2 miles south of Manda, Travis Co unty, Texas

FORAMINIFERIDA
Haplophragmoides calculus Cushman & Waters
Ammobaculites coprolithiformis (Schwager)
Trochammina diagonis (Carsey)
Dorthia bullata (Carsey)
D. glabrata (Cushman)
Plectina waters Cushman
Nodosaria lagenoides (Olszewaki)
Citharina multicostata Cushman
C. webbervillensis (-Carsey)
Dentalina basiplanata Cushman
D. confluens Reuss
Lenticulina navarroensis (Plummer)
L. spissocastatus Cushman
Marginulina silicula (,Plummer)
Saracenaria saratogana Howe & Wallace
Vaginulina cretacea Plummer
Pseudopolymorphina- cuvleri Plummer
Pyrulina cylindroides (R6mer)
Pseudouvigerina seligi (Cushman)
Heterohelix costulata (Cushman)
H. globulosa (Ehrenberg)
Gublerina carseyae (Plummer)
Nonionella robusta Plummer


CORSICANA FORMATION

Jones' Crossing of Onion Creek, from 80-foot bluff downstream from Austin-Bastrop highway bridge, Travis County, Texas

FORAMINIFERIDA
Reophax texana Cushman & Waters
ff-aplophragmoides calculus Cushman & Waters
H. excavatus Cushman & Waters
Ammobaculites coprolithiformis (Schwager)
A. texanus Cushman
Triplasia insignis (Plummer)
T. trilatera (Cushman)
T. trilatera plummerae (Sandidge)
Quinqueloculina antigua angusta Franke
Spiroplectammina semicomplanate (Carsey)
Trochammina diagonis (Carsey)
T. gyroides (-Cushman & Waters)
Bolivinopsis rosula (Ehrenberg)
Gaudryina rudita Sandidge
G. rugosa d'Orbigny
Plectina watersi Cushman
Dorothia bulleta (Carsey)
Nodosaria affinis Reuss
N. gracilitatis Cushman
N. manifesta Reuss
N. navarroana Cushman
Citharina multicostata (Cushman)
C. navarroana Cushman
C. webbervillensis (Carsey)
Dentalina angusticostata Cushman
D. basiplanata Cushman
D. communis d'Orbigny
D. crinita Plummer
D. elicatula Cushman
D. legumen (Reuss)
D. loreniana d'Orbigny
D. megalopolitana Reuss
Frondicularia clarki Bagg
Lagena acuticosta Reuss
L. hispida Reuss
Lenticulina navarroensis Plummer
L. taylorensis (Plummer)
Marginulina curvatum Cushman
M. navarroana Cushman
Neoflabellina reticulate (Reuss)
Planularia dissona (Plummer)
Saraceharia saratogana Howe & Wallace
Vaginulina cretacea Plummer
V. simondsi Carsey
Vaginulinopsis linearea (.Carsey)
Globulina lacrima Reuss
G. lacrima horrida Reuss


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euss

N. gracilitatis Cushman
N. manifesta Reuss
N. navarroana Cushman
Citharina multicostata (Cushman)
C. navarroana Cushman
C. webbervillensis (Carsey)
Dentalina angusticostata Cushman
D. basiplanata Cushman
D. communis d'Orbigny
D. crinita Plummer
D. elicatula Cushman
D. legumen (Reuss)
D. loreniana d'Orbigny
D. megalopolitana Reuss
Frondicularia clarki Bagg
Lagena acuticosta Reuss
L. hispida Reuss
Lenticulina navarroensis Plummer
L. taylorensis (Plummer)
Marginulina curvatum Cushman
M. navarroana Cushman
Neoflabellina reticulate (Reuss)
Planularia dissona (Plummer)
Saraceharia saratogana Howe & Wallace
Vaginulina cretacea Plummer
V. simondsi Carsey
Vaginulinopsis linearea (.Carsey)
Globulina lacrima Reuss
G. lacrima horrida Reuss


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