Fossil Information (Phanerozoic Eon)

ID:108
Fossil Type:Shell
Fossil Description:Exogyra costata (prehistoric oyster)
Status:Extinct
Relative Size:Medium
Class:Bivalvia
Subclass:Pteriomorphia, Pteriomorpha
Order:Ostreoida
Suborder:Ostreina
Superfamily:Ostraceae, Ostreacea
Family:Pycnodonteidae
Subfamily:Exogyrinae
Scientific Name (Genus species):Exogyra costata (Say, 1820) or Exogyra cancellata
Era/Period:Mesozoic/Cretaceous
Epoch/Age:Maastrichtian
MYA:About 72
Discovery Location (Water, Land):Poricy Brook
Discovery Location (City, ST):Middletown, NJ
Discovery Location (County):Monmouth
Deepest Formation:Navesink
Color:Gray
Comments:Rough, similiar to modern oyster, left valve curved, right valve flat (69-76 mya)
Collector Name:RLD
Image Filename 1:DSCF3581.jpg

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