FOSSILS SPECIMEN: GASTROPODA
Fossils are defined as any evidence of prehistoric life. There are two types of fossils: Body Fossils include remains of skeletal bones, shell, carapace, test and teeth. Trace Fossils are clues the organism existed such as foot prints, tracks, burrows and coprolites (fossil dung).
Gastropoda means “stomach foot” and is a class of mollusk that include snails, slugs and limpets. Gastropods have been in the fossil record since the Cambrian Period leaving many fossils in marine sediments all over the world. To see my modern gastropod shell specimen click here and to see my toy/model mollusk click here.
Kingdom: Animalia – Phylum: Mollusca – Class: Gastropoda “stomach foot”
(snails, slugs and limpets)
Cambrian to Holocene
Paleozoic Snails
Cambrian to Permian Periods 541-251 million years ago

Snail Amphiscapha subrugosa
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Solensicus typicus
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Soleniscus primigenius
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Trepospira illinoisensis
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Trepospira illinoisensis
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Meekospira and Solensicus
Pennsylvanian
(Upper Carboniferous)
Mineral Wells Fossil Park, Palo Pinto County, Texas

Snail Ephemites carbonarus
Pennsylvanian
(Upper Carboniferous)
west Mineral Wells roadcut Palo Pinto County, Texas

Snail Trepospira illinoisensis
Pennsylvanian
(Upper Carboniferous)
west Mineral Wells roadcut Palo Pinto County, Texas

Snail Worthenia tabulata
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas

Snail Bellerophon
Pennsylvanian (Upper Carboniferous)
west Mineral Wells roadcut Palo Pinto County, Texas

Snail Gastropoda
Pennsylvanian
(Upper Carboniferous)
west Mineral Wells roadcut Palo Pinto County, Texas

Snail Shanshiella carbonaria
Late Pennsylvanian
Wolf Mtn Shale Gradford Formation Missourian Run Away Bay Lake Bridgeport Wise Co
Mesozoic Snails
Triassic to Cretaceous Period 251-66 million years ago

Snail Tylostoma
Lower Cretaceous
Fort Worth, Tarrant County, Texas

Gastropod (snail) Fossil Imprint
Mesozoic
North America

Snail Tylostoma tumidum
Lower Cretaceous
Kerrville, Texas

Snail Tylostoma
Lower Cretaceous
Kerrville, Texas

Snail Turritella
Lower Cretaceous
Kerrville, Texas

Snail Cerithium
Lower Cretaceous
Kerrville, Texas

Snail Gyrode
(Internal Cast)
Lower Cretaceous
Kerrville, Texas

Snail Gastropod
(Internal Cast)
Lower Cretaceous
West Texas

Snail Goniophorus Scotti Lambert Plesioturrilites Brazoensis (Romemer)
Cretaceous
Grayson Formation Tarrant Co., Texas, United States
Cenozoic Snails
Paleocene to Holocene 66-0 million years ago

Snail Turritella in Matrix
Cenozoic
North America

Snail Turritella temblorensis
Middle Eocene
Llajas Formation, Simi Valley, California

Fossil Snail Conus diluvianus
Pliocene
St. Mary’s River Maryland, United States

Fossil Snail Conus adversarius
Pleistocene
South Bay, Florida, United States

Fossil Snail Worthenia tebulata
Pitkin Limestone
South of Leslie Arkansas, United States

Fossil Snail Olive Shell
Pleistocene
United States

Snail Vasum horridum
Pliestocene
Florida, United States

Snail Moon Snail Shell
Pliestocene
Camusa Mine Pit Ruskin, Florida, United States

Snail Sinum arctatum
Eocene
Stone City Formation, Bryan, Texas

Snail Mesalia clairbornensis
Eocene
Stone City Formation, Bryan, Texas

Snail Turritella sp.
Eocene
Stone City Formation, Bryan, Texas

Snail Protosurcula gabbii
Eocene
Stone City Formation, Bryan, Texas

Snail Architectonica scrobiculata
Eocene
Stone City Formation, Bryan, Texas

Snail Michela trabeatoides
Eocene
Stone City Formation, Bryan, Texas

Snail Athleta lisbonensis
Eocene
Stone City Formation, Bryan, Texas

Snail Athleta petrosus
Eocene
Stone City Formation, Bryan, Texas

Snail Latirus moorei
Eocene
Stone City Formation, Bryan, Texas

Snail Distorsio septemdentata
Eocene
Stone City Formation, Bryan, Texas

Snail Hesperiturris nodocarinatus
Eocene
Stone City Formation, Bryan, Texas

Snail Pseudoliva vetusta carinata
Eocene
Stone City Formation, Bryan, Texas

Snail Conus sauridens
Eocene
Stone City Formation, Bryan, Texas

Snail Levifusus mortoniopsis
Eocene
Stone City Formation, Bryan, Texas

Snail Ancilla staminea
Eocene
Stone City Formation, Bryan, Texas

Snail Ficopsis texana
Eocene
Stone City Formation, Bryan, Texas

Snail Cornulina armigera
Eocene
Stone City Formation, Bryan, Texas

Snail sp.
Eocene
Stone City Formation, Bryan, Texas

Snail Cochlespiropsis engonata
Eocene
Stone City Formation, Bryan, Texas

Snail Protosurcula gabbi
Eocene
Stone City Formation, Bryan, Texas

Snail Terebra texagyra
Eocene
Stone City Formation, Bryan, Texas