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Gryph: Pycnodonteinae Family Fossils

Class: Bivalvia-Oysters
Order: Ostreida
Family: Gryph: Pycnodonteinae
Common: None

Genus List: Pycnodonte, Texigryphaea
Formation List: Austin Chalk, Buda, Comanche Peak, Del Rio, Fort Terrett, Georgetown, Glen Rose, Other
Age List: Albian, Cenomanian, Santonian Coniacian

Pycnodonte Sp.

Formation: Austin Chalk
Williamson County | W1-683
Age: Santonian Coniacian
Pycnodonte Sp. - None

Pycnodonte aucella

Formation: Austin Chalk
Williamson County | 3
Age: Santonian Coniacian
Pycnodonte aucella - Hutto

Pycnodonte mutabilis ?

Formation: Other
zUnknown County | 945
Age: None
Pycnodonte mutabilis ? - None

Pycnodonte sp

Formation: Austin Chalk
Williamson County | W1-494
Age: Santonian Coniacian
Pycnodonte sp - Round Rock, TX

Pycnodonte sp.

Formation: Austin Chalk
Travis County | 946
Age: Santonian Coniacian
Pycnodonte sp. - None

Pycnodonte sp.

Formation: Austin Chalk
Williamson County | W1-493
Age: Santonian Coniacian
Pycnodonte sp. - Round Rock, TX

Pycnodonte wardi

Formation: Glen Rose
Bandera County | B2-944
Age: Albian
Pycnodonte wardi - None

Texigryphaea mucronata

Formation: Comanche Peak
Coryell County | 939
Age: Albian
Texigryphaea mucronata - None

Texigryphaea mucronata

Formation: Comanche Peak
Bell County | BL1-940
Age: Albian
Texigryphaea mucronata - None

Texigryphaea navia

Formation: Georgetown
Williamson County | W3-1007
Age: Cenomanian
Texigryphaea navia - None

Texigryphaea roemeri

Formation: Buda
Williamson County | W2-943
Age: Cenomanian
Texigryphaea roemeri - None

Texigryphaea roemeri?

Formation: Del Rio
Travis County | T2-69
Age: Cenomanian
Texigryphaea roemeri? - Shoal Creek

Texigryphaea sp.

Formation: Fort Terrett
Kerr County | K1-941
Age: Albian
Texigryphaea sp. - None

Resources

Cretaceous Atlas Link

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