†Catopygus (Oolopygus) williamsi Clark 1907
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Echinoidea - Irregularia - Nucleolitidae
Alternative combination: Catopygus williamsi
Belongs to Catopygus (Oolopygus) according to C. W. Cooke 1953
See also Clark and Twitchell 1915
Sister taxa: Catopygus (Oolopygus) gonzalezi, Oolopygus gracilis
Type specimen: Its type locality is Bluff east of Atlantic Highlands (Clark collection), which is in a Maastrichtian marine sandstone in the Navesink Formation of New Jersey
Distribution:
• Cretaceous of United States (3: New Jersey collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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