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Travis County, Texas Fossils

Brachiopods

Terebratulina guadalupe

Austin Chalk (Kau)
Travis County | T3-688

Terebratulina guadalupe

Echinoderms

Hemiaster Texanus

Austin Chalk (Kau)
Travis County | W1-511

Hemiaster Texanus

Loriolia

Walnut (Kwa)
Travis County | T1-700

Loriolia

Echinoid

Buda (Kbu)
Travis County | T2-644

Echinoid

Mollusks

Natica

Walnut (Kwa)
Travis County | T1-702

Natica

Arrhoges

Walnut (Kwa)
Travis County | T1-701

Arrhoges

Turritella

Glen Rose (Kgr)
Travis County | 1023

Turritella

Pleurotomaria?

Walnut (Kwa)
Travis County | T1-905

Pleurotomaria?

Gastropod

Walnut (Kwa)
Travis County | T1-698

Gastropod

Gastropod

Walnut (Kwa)
Travis County | T1-703

Gastropod

Baculites

Austin Chalk (Kau)
Travis County | 15

Baculites

Baculites

Austin Chalk (Kau)
Travis County | T3-122

Baculites

Glyptoxoceras

Austin Chalk (Kau)
Travis County | T3-123

Glyptoxoceras

Smedaliceras durhami

Austin Chalk (Kau)
Travis County | 18

Smedaliceras durhami

Texanites

Austin Chalk (Kau)
Travis County | 60

Texanites

Spondylus guadalupae

Austin Chalk (Kau)
Travis County | 331

Spondylus guadalupae

Granocardium

Walnut (Kwa)
Travis County | T1-918

Granocardium

Arctica

Glen Rose (Kgr)
Travis County | 1025

Arctica

Trigonia

Buda (Kbu)
Travis County | T2-645

Trigonia

Inoceramus

Austin Chalk (Kau)
Travis County | 7

Inoceramus

Inoperna concentricecostellata

Walnut (Kwa)
Travis County | T1-847

Inoperna concentricecostellata

Pholadomya

Walnut (Kwa)
Travis County | T1-844

Pholadomya

Ostrea

Austin Chalk (Kau)
Travis County | 585

Ostrea

Pycnodonte

Austin Chalk (Kau)
Travis County | 946

Pycnodonte

Texigryphaea roemeri?

Del Rio (Kdr)
Travis County | T2-69

Texigryphaea roemeri?

Exogyra Ponderosa

Austin Chalk (Kau)
Travis County | T3-2

Exogyra Ponderosa

Exogyra arietina

Del Rio (Kdr)
Travis County | T2-13

Exogyra arietina

Exogyra laeviuscula

Austin Chalk (Kau)
Travis County | 75

Exogyra laeviuscula

Exogyra tigrina

Austin Chalk (Kau)
Travis County | 36

Exogyra tigrina

Oyster Bed

Cow Creek (None)
Travis County | 757

Oyster Bed

Oyster Bed

Cow Creek (None)
Travis County | 758

Oyster Bed

Bioimmuration imprint

Other (None)
Travis County | 930

Bioimmuration imprint

Toucasia

Glen Rose (Kgr)
Travis County | 759

Toucasia

Toucasia

Glen Rose (Kgr)
Travis County | 760

Toucasia

Monopleura

Glen Rose (Kgr)
Travis County | 761

Monopleura

Trace

Bull Creek Hardground

Walnut (Kwa)
Travis County | 332

Bull Creek Hardground

Geology

Burdett Marl

Austin Chalk (Kau)
Travis County | 254

Burdett Marl

Del Rio Formation

Del Rio (Kdr)
Travis County | T2-114

Del Rio Formation

Del Rio Formation

Del Rio (Kdr)
Travis County | T2-115

Del Rio Formation

Del Rio Formation

Del Rio (Kdr)
Travis County | T2-117

Del Rio Formation

Dessau Member

Austin Chalk (Kau)
Travis County | 261

Dessau Member

Dessau Member?

Austin Chalk (Kau)
Travis County | 268

Dessau Member?

Marl Seam

Austin Chalk (Kau)
Travis County | 251

Marl Seam

Vinson Member?

Austin Chalk (Kau)
Travis County | 263

Vinson Member?

Vinson Member?

Austin Chalk (Kau)
Travis County | 265

Vinson Member?

Vinson Member?

Austin Chalk (Kau)
Travis County | 266

Vinson Member?

Cow Creek Limestone

Cow Creek (None)
Travis County | 755

Cow Creek Limestone

Cow Creek Limestone

Cow Creek (None)
Travis County | 756

Cow Creek Limestone

Calcite Slickenside

Austin Chalk (Kau)
Travis County | 8

Calcite Slickenside

Spring Tufa on side of cliff

Other (None)
Travis County | 953

Spring Tufa on side of cliff

Marcasite Nodule

Austin Chalk (Kau)
Travis County | 154

Marcasite Nodule

Pyrite on Inoceramus

Austin Chalk (Kau)
Travis County | 89

Pyrite on Inoceramus

Limonite

Austin Chalk (Kau)
Travis County | 255

Limonite

Limonite Nodule

Austin Chalk (Kau)
Travis County | 147

Limonite Nodule

Interbedded Tuff and Limestone

Austin Chalk (Kau)
Travis County | 568

Interbedded Tuff and Limestone - y

Pilot Knob Tuff

Austin Chalk (Kau)
Travis County | 566

Pilot Knob Tuff

Pilot Knob Tuff

Austin Chalk (Kau)
Travis County | 567

Pilot Knob Tuff - y

Volcanic Ash/Nontronite

Austin Chalk (Kau)
Travis County | 241

Volcanic Ash/Nontronite

Volcanic Ash/Nontronite

Austin Chalk (Kau)
Travis County | 242

Volcanic Ash/Nontronite

Volcanic Ash/Nontronite

Austin Chalk (Kau)
Travis County | 243

Volcanic Ash/Nontronite

Fault w/ Slickensides

Austin Chalk (Kau)
Travis County | 250

Fault w/ Slickensides

Other

Porocystis ?

Glen Rose (Kgr)
Travis County | 1022

Porocystis ?

Summary Table