Echinoidea - Cassiduloida - Cassidulidae
Full reference: L. Agassiz. 1840. Catalogus systematicus Ectyporum Echinodermatum fossilium Musei Neocomiensis, secundum ordinem zoologicum dispositus; adjectis synonymis recentioribus, nec non stratis et locis in quibus reperiuntur. Sequuntur characteres diagnostici generum novorum vel minus cognitorum. Petitpierre, Neuchâtel 1-20
Parent taxon: Cassidulidae according to A. B. Smith 1995
See also Kier 1962, Kier 1966, Sepkoski 2002 and Smith 1991
Sister taxa: Breynella, Cassidulus, Catopygus, Echanthus, Hypsopygaster, Ochetes, Rhyncholampas, Stigmatopygus
Subtaxa: Nucleopygus (Jolyclypus) Nucleopygus magnus Nucleopygus minor Nucleopygus pullatus Nucleopygus scrobiculatus Nucleopygus similis Nucleopygus texanus
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Paleocene of Argentina (1 collection)
• Cretaceous to Paleogene of the Netherlands (2)
• Cretaceous of Belgium (6), Brazil (1), France (23), Jamaica (1), the Netherlands (6), Oman (1), Spain (3), United States (3: New Jersey, Texas)
Total: 47 collections including 60 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.