Pinna laqueata Conrad, 1858

Remarks

• Collector:    Ralph Johnson (M.A.P.S. Collection)
• Formation:  Matawan Group, Merchantville Formation
• Location:     New Castle County, Delaware.

General Info

Synonyms (older names and misidentifications in the literature)

• 1858 Pinna laqueata Conrad
• 1886 Pinna laqueata Conrad; Whitfield
• 1907 Pinna laqueata Conrad; Weller
• 1916 Pinna laqueata Conrad; Gardner
• 1954 Pinna laqueata Conrad; Groot, Organist, Richards
• 1958 Pinna laqueata Conrad; Richards

Stratigraphic Occurrence

• Monmouth Group, Navesink Formation of New Jersey
• Monmouth Group, Mount Laurel Formation of New Jersey
• Matawan Group, Woodbury Formation of New Jersey
• Matawan Group, Merchantville Formation of New Jersey and Delaware
• Owl Creek Formation of Mississippi
• Navarro Group, Nacatoch Formation of northeast Texas
• Taylor Group, Wolfe City Formation of northeast Texas
• Taylor Group, Anacacho Formation of south-central Texas
• Steve Wagner with Paleocurrents.com notified us of a an example from the Pierre Shale in Colorado

Age

• Pinna laqueata Conrad ranges from the early Campanian Stage to the early Maastrichtian Stage (~81–69 mya).

Geographic Occurrence (by no means an all-inclusive list)

• Camden County, NJ
• New Castle County, DE
• Grand County, CO
• Monmouth County, NJ
• MS (county ?)
• TX (counties ?)

Remarks

         For identification and descriptions, see:

• Richards, H. G.  1958.  The Cretaceous Fossils of New Jersey, Part 1.  New Jersey Geological Survey Bulletin 61.