FOSSILS SPECIMEN: BIVALVIA
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).
Kingdom: Animalia – Phylum: Mollusca – Class: Bivalvia “two valves or shells”
(clams and oysters)
Lower Cambrian to Holocene
Bivalve Carolinpectin eboreus
Pectinidae (Scallops)
Tertiary-Pliocene-Piacenzian Tamiami FM-Pinecrest Member Florida
Bivalve Pectin Neithia
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve (Pelecypod)
Pectin
Cretaceous
Grayson Marl Formation Rayzor Ranch Denton Texas
Bivalve Matrix
Cretaceous
Wyoming, North America
Bivalve Lima
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve
Cretacous
North America
Bivalve Pectin
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Inoceramus Shell Fragment
Cretaceous
West, Texas
Bivalve Peilinia crenulimargo
Lower Cretaceous
Kerrville, Texas
Bivalve Exogyra ponderosa
Cretaceous
Texas
Bivalve Texigryphaea
Lower Cretaceous
Texas
Bivalve Texigryphaea
Lower Cretaceous
The Waco Pit, Waco, Texas
Bivalve Gryphaea
Jurassic
Bivalve Gryphaea “Devil’s Toenail”
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Ceratostreon texanum
(formerly Exogyra texana)
Lower Cretaceous
Kerrville, Texas
Bivalve Rastellum (Arcotrea) Carinatum Lamarck
Cretaceous
Denton Clays McLennon County, Texas, United States
Bivalve
Rastellum (Lateral View)
Cretaceous
Texas, United States
Bivalve
Rastellum (Dorsal View)
Cretaceous
Texas, United States
Bivalve Ilymatogyra arietina (Ram’s Horn Oyster)
Cretaceous
Buda, Formation, Comstock, Texas
Bivalve (Oyster)
Ostrea falcata
Cretaceous
United States
Bivalve Fossil Oyster
Cenozoic
North America
Bivalve
Gyrostea
Cretaceous
Texas, United States
Bivalve
Gyrostea
Cretaceous
Texas, United States
Bivalve
Gyrostea
Cretaceous
Texas, United States
Bivalve Oysters
Lopha bellaplicata bellaplicata
Post Oak Creek south of Sherman Texas United States
Bivalve Oysters in Matrix
Lopha bellaplicata bellaplicata
Post Oak Creek south of Sherman Texas United States
Bivalve Oysters
Lopha bellaplicata bellaplicata
Post Oak Creek south of Sherman Texas United States
Bivalve Protocardia texana
Cretaceous
Texas
Bivalve Artica (internal cast)
Lower Cretaceous
Kerrville, Texas
Bivalve Anoma (internal cast)
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Nucula (internal cast)
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Cyprimeria texana internal cast
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Artica (internal cast)
Lower Cretaceous
Kerrville County, Texas
Bivalve Protocardia (internal cast)
Lower Cretaceous
Kerrville, Texas
Bivalve Leptosolen (internal cast)
Lower Cretaceous
Fort Worth, Tarrant County, Texas
Bivalve Paleyoldia
Pennsylvanian
Jacksboro, Jack County, Texas
Bivalve Hippuritoida (Rudist Clams)
Core Natural Cast
Lower Cretaceous
Kerrville, Texas
Bivalve Trigonia
Lower Cretaceous
Kerrville, Texas
Bivalve Exogyra tigris
Cretaceous
Texas
Bivalve Paleyoldia
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas
Bivalve Palaeoneilo oweni
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas
Bivalve Crurithyris planoconvexa
Pennsylvanian
(Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas
Bivalve Astartella varica
Pennsylvanian (Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas
Bivalve Myalina
Pennsylvanian (Upper Carboniferous)
Finis Shale, Graham Formation, Jacksboro, Jack County, Texas
Bivalve Astartella varica
Pennsylvanian (Upper Carboniferous)
west Mineral Wells roadcut Palo Pinto County, Texas
Bivalve Barbatia uxorispalmeri
Eocene
Stone City Formation, Bryan, Texas
Bivalve Venericardia rotunda
Eocene
Stone City Formation, Bryan, Texas
Bivalve Anomia ephippioides
Eocene
Stone City Formation, Bryan, Texas
Bivalve Caryocorbula deusseni
Eocene
Stone City Formation, Bryan, Texas
Bivalve Pteropsella lapidosa
Eocene
Stone City Formation, Bryan, Texas
Bivalve Notocorbula texana
Eocene
Stone City Formation, Bryan, Texas
Bivalve Lopha (Ostreoidea)
Cretaceous
Texas