†Pygurostoma geometricum Morton 1833
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Alternative combinations: Clypeaster geometricus, Pygurus geometricus
Belongs to Pygurostoma according to C. W. Cooke 1953
See also Clark and Twitchell 1915
Sister taxa: Pygurostoma morgani, Pygurostoma pasionense
Type specimen: Its type locality is Chesapeake and Delaware Canal (Marshalltown, ANSP), which is in a Campanian marine sandstone in the Marshalltown Formation of Delaware
Distribution:
• Cretaceous of United States (2: Delaware collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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