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Williamson County, Texas Fossils

Brachiopods

Kingena wacoensis

Georgetown (Kdg)
Williamson County | W3-987

Kingena wacoensis

Vertebrates

Cretoxyrhina mantelli

Eagle Ford/Atco (None)
Williamson County | 68

Cretoxyrhina mantelli

Shark Vertebrae

Eagle Ford/Atco (None)
Williamson County | W2-603

Shark Vertebrae

Crocodile Osteoderm ?

Eagle Ford (Kef)
Williamson County | 338

Crocodile Osteoderm ?

Coral

Coral

Buda (Kbu)
Williamson County | 1012

Coral

Coral

Buda (Kbu)
Williamson County | 1013

Coral

Coral?

Buda (Kbu)
Williamson County | 1014

Coral?

Placosmilia?

Eagle Ford (Kef)
Williamson County | 78

Placosmilia?

Echinoderms

Salenia ?

Buda (Kbu)
Williamson County | W2-580

Salenia ?

Echinoid

Georgetown (Kdg)
Williamson County | W3-988

Echinoid

Hemiaster Texanus

Austin Chalk (Kau)
Williamson County | W1-774

Hemiaster Texanus

Heteraster

Buda (Kbu)
Williamson County | W2-738

Heteraster

Heteraster

Buda (Kbu)
Williamson County | W2-771

Heteraster

Phymosoma

Austin Chalk (Kau)
Williamson County | W1-724

Phymosoma

Phymosoma ?

Buda (Kbu)
Williamson County | W2-737

Phymosoma ?

Echinoid

Buda (Kbu)
Williamson County | W2-642

Echinoid

Echinoid

Buda (Kbu)
Williamson County | W2-769

Echinoid

Mollusks

Gyrodes

Austin Chalk (Kau)
Williamson County | W1-716

Gyrodes

Anchura Texana

Austin Chalk (Kau)
Williamson County | W1-697

Anchura Texana

Turritella

Austin Chalk (Kau)
Williamson County | W1-641

Turritella

Turritella

Buda (Kbu)
Williamson County | W2-17

Turritella

Turritella

Buda (Kbu)
Williamson County | W2-581

Turritella

Cerithium

Georgetown (Kdg)
Williamson County | W3-1010

Cerithium

Cerithium

Comanche Peak (Kcp)
Williamson County | 9

Cerithium

Trochus?

Austin Chalk (Kau)
Williamson County | W1-922

Trochus?

Baculites

Austin Chalk (Kau)
Williamson County | W1-488

Baculites

Baculites

Austin Chalk (Kau)
Williamson County | W1-492

Baculites

Faraudiella ?

Buda (Kbu)
Williamson County | 61

Faraudiella ?

Spondylus guadalupae

Austin Chalk (Kau)
Williamson County | W1-718

Spondylus guadalupae

Neithea

Buda (Kbu)
Williamson County | W2-643

Neithea

Neithea

Georgetown (Kdg)
Williamson County | W3-1006

Neithea

Neithea Bottom Valve

Georgetown (Kdg)
Williamson County | W3-1009

Neithea Bottom Valve

Neithea Georgetownensis

Georgetown (Kdg)
Williamson County | W3-989

Neithea Georgetownensis

Neithea austinensis

Austin Chalk (Kau)
Williamson County | W1-776

Neithea austinensis

Pecten roemeri

Buda (Kbu)
Williamson County | 370

Pecten roemeri

Panopea?

Glen Rose (Kgr)
Williamson County | 1024

Panopea?

Trigonia

Georgetown (Kdg)
Williamson County | W3-1008

Trigonia

Arca

Georgetown (Kdg)
Williamson County | W3-1056

Arca

Cucullaea

Austin Chalk (Kau)
Williamson County | W1-687

Cucullaea

Arca?

Austin Chalk (Kau)
Williamson County | W1-1021

Arca?

Inoceramus

Austin Chalk (Kau)
Williamson County | W1-490

Inoceramus

Inoceramus Vinson?

Austin Chalk (Kau)
Williamson County | 264

Inoceramus Vinson?

Inoceramus labiatus

Eagle Ford (Kef)
Williamson County | 90

Inoceramus labiatus

Large Inoceramus

Austin Chalk (Kau)
Williamson County | 116

Large Inoceramus

Mytiloides

Austin Chalk (Kau)
Williamson County | W1-1020

Mytiloides

Volviceramus

Eagle Ford (Kef)
Williamson County | 1015

Volviceramus

Lima Wacoensis

Buda (Kbu)
Williamson County | 686

Lima Wacoensis

Gervillia?

Georgetown (Kdg)
Williamson County | W3-1011

Gervillia?

Bivalve

Austin Chalk (Kau)
Williamson County | W1-725

Bivalve

Liopistha elegantuia?

Austin Chalk (Kau)
Williamson County | W1-495

Liopistha elegantuia?

Lopha

Eagle Ford/Atco (None)
Williamson County | 997

Lopha

Ostrea plumosa?

Austin Chalk (Kau)
Williamson County | W1-676

Ostrea plumosa?

Pseudoperna congesta

Other (None)
Williamson County | W2-773

Pseudoperna congesta

Rastellum

Georgetown (Kdg)
Williamson County | W3-1005

Rastellum

Pycnodonte

Austin Chalk (Kau)
Williamson County | W1-683

Pycnodonte

Pycnodonte

Austin Chalk (Kau)
Williamson County | W1-493

Pycnodonte

Pycnodonte

Austin Chalk (Kau)
Williamson County | W1-494

Pycnodonte

Pycnodonte aucella

Austin Chalk (Kau)
Williamson County | 3

Pycnodonte aucella

Texigryphaea

Georgetown (Kdg)
Williamson County | W3-1007

Texigryphaea

Texigryphaea roemeri

Buda (Kbu)
Williamson County | W2-943

Texigryphaea roemeri

Exogyra Plexa

Georgetown (Kdg)
Williamson County | W3-990

Exogyra Plexa

Bivalve impression on Oyster

Other (None)
Williamson County | W2-936

Bivalve impression on Oyster

Toucasia

Edwards (Ked)
Williamson County | 146

Toucasia

Eoradiolites davidsoni

Edwards (Ked)
Williamson County | 145

Eoradiolites davidsoni

Radiolites

Edwards (Ked)
Williamson County | 837

Radiolites

Plants

Petrified Wood ?

Eagle Ford (Kef)
Williamson County | 73

Petrified Wood ?

Petrified Wood ?

Eagle Ford (Kef)
Williamson County | 573

Petrified Wood ?

Trace

Therapod Track

Glen Rose (Kgr)
Williamson County | 111

Therapod Track

Gyrolithes davreuxi

Austin Chalk (Kau)
Williamson County | 385

Gyrolithes davreuxi

Worm Tubes

Buda (Kbu)
Williamson County | W2-767

Worm Tubes

Boring Sponge

Austin Chalk (Kau)
Williamson County | 582

Boring Sponge

Geology

Atco

Austin Chalk (Kau)
Williamson County | 388

Atco

Atco Member

Austin Chalk (Kau)
Williamson County | 258

Atco Member

Atco Member

Austin Chalk (Kau)
Williamson County | 260

Atco Member

Atco Member

Austin Chalk (Kau)
Williamson County | 386

Atco Member

Bouldin Flags

Eagle Ford (Kef)
Williamson County | 377

Bouldin Flags

Bouldin Flags

Eagle Ford (Kef)
Williamson County | 378

Bouldin Flags

Buda Formation

Buda (Kbu)
Williamson County | 257

Buda Formation

Buda Formation

Buda (Kbu)
Williamson County | 371

Buda Formation

Buda Formation

Buda (Kbu)
Williamson County | 372

Buda Formation

Buda Formation

Buda (Kbu)
Williamson County | 576

Buda Formation - None

Cloice Shale

Eagle Ford (Kef)
Williamson County | 376

Cloice Shale

Dessau Member?

Austin Chalk (Kau)
Williamson County | 270

Dessau Member?

Dessau Member?

Austin Chalk (Kau)
Williamson County | 271

Dessau Member?

Dessau Storm Bed?

Austin Chalk (Kau)
Williamson County | 269

Dessau Storm Bed?

Eagle Ford

Eagle Ford (Kef)
Williamson County | 109

Eagle Ford

Jonah Member Austin Chalk

Austin Chalk (Kau)
Williamson County | 248

Jonah Member Austin Chalk

Jonah Outcrop

Austin Chalk (Kau)
Williamson County | W1-678

Jonah Outcrop

Jonah Outcrop

Austin Chalk (Kau)
Williamson County | W1-679

Jonah Outcrop

Jonah Outcrop

Austin Chalk (Kau)
Williamson County | W1-680

Jonah Outcrop

Pepper Shale

Eagle Ford (Kef)
Williamson County | 379

Pepper Shale

Beekite

Austin Chalk (Kau)
Williamson County | W1-579

Beekite

Beekite on Shell

Austin Chalk (Kau)
Williamson County | W1-578

Beekite on Shell

Summary Table