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Pectinida Order

Class: Bivalvia

None

Unknown Bivalve

Formation: GrahamThrifty
Jack County | J1-551
Unknown Bivalve - None

Anomiidae

Anomia Coquina

Formation: Glen Rose
Kerr County | K5-729
Anomia Coquina - None

Anomia Texana

Formation: Glen Rose
Kerr County | K5-727
Anomia Texana - None

Anomia Texana

Formation: Glen Rose
Kerr County | K5-728
Anomia Texana - None

Anomia ephippioides

Formation: Stone City
Burleson County | WB-392
Anomia ephippioides - Whiskey Bridge

Neitheidae

Neithea Bottom Valve

Formation: Georgetown
Williamson County | W3-1009
Neithea Bottom Valve - None

Neithea Georgetownensis

Formation: Georgetown
Williamson County | W3-989
Neithea Georgetownensis - None

Neithea Subalpina

Formation: Walnut
Coryell County | 1000
Neithea Subalpina - None

Neithea austinensis

Formation: Austin Chalk
Williamson County | W1-776
Neithea austinensis - None

Neithea occidentalis

Formation: Fort Terrett
Kerr County | K1-820
Neithea occidentalis - None

Neithea sp.

Formation: Buda
Williamson County | W2-643
Neithea sp. - None

Neithea sp.

Formation: Georgetown
Williamson County | W3-1006
Neithea sp. - None

Pectinidae

Pecten roemeri

Formation: Buda
Williamson County | 370
Pecten roemeri - Round Rock

Spondylidae

Spondylus guadalupae

Formation: Austin Chalk
Travis County | 331
Spondylus guadalupae - Gilleland Creek

Spondylus guadalupae

Formation: Austin Chalk
Williamson County | W1-718
Spondylus guadalupae - None