Liostrea

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Liostrea
Temporal range: 252–94 
Ma
early Triassic - Cenomanian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Ostreida
Family: Gryphaeidae
Subfamily: Gryphaeinae
Genus: Liostrea
Douvillé, 1904

Liostrea is a

mollusks in the family Gryphaeidae.[1]

These

ammonoids
.

Liostrea formed abundant

hardgrounds of the Jurassic Carmel Formation in southwestern Utah.[5]

Liostrea may be the earliest oyster lineage, with possible examples attached to ammonoids of the earliest Triassic. This suggests oysters emerged and rapidly diversified in the wake of the

Selected species

References