Taxa Count: 21
MACTRIDAE
Family Not Defined
Cymbophora popenoei
Cymbophora berryi
Cymbophora ochilleana
Cymbophora simpsonensis
Cymbophora buttensis
Cymbophora schucherti
Cymbophora spooneri
Cymbophora bella
Cymbophora securis
Cymbophora trigonalis
Cymbophora emmonsi
Cymbophora puteana
Cymbophora subtilis
Cymbophora utahensis
Cymbophora cancellosa
Cymbophora scabellum
Cymbophora inflata
Cymbophora saccellana
Cymbophora conradi
Cymbophora gracilis