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Gryphaea mucronata

Oyster
TCN
Cretaceous World
KU KUMIP 247919
University of Kansas



Taxonomy

Kingdom: Animalia
Phylum: Mollusca
Order: Ostreoida
Family: Gryphaeidae
Genus: Gryphaea
Species: mucronata


Stratigraphy

Geologic Time Period

Period: Cretaceous
Epoch: Lower Cretaceous
Age: Albian

Rock Unit
Group: Fredericksburg Group
Formation: Walnut Clay


Locality

Country: United States
State/Province: Texas
County: Travis
Locality: NW of Austin