Echinoidea - Euechinoidea - Orthopsidae
Alternative combination: Cidarites miliaris
Synonyms: Cottaldia australis White 1887, Diadema granulare Agassiz 1846, Diadema kleinii Desmoulins 1837, Diadema polystigma Agassiz 1840, Hemipedina charltoni Cragin 1894, Orthopsis morgani Cotteau and Gauthier 1895, Orthopsis planulata Clark and Twitchell 1915, Orthopsis sanfilippoi Checchia-Rispoli 1933, Pseudodiadema grangeri Maury 1936
Belongs to Orthopsis according to G. M. El Qot 2021
See also Clark and Twitchell 1915, Geys and Jagt 1986, Maury 1936, Néraudeau et al. 1995, Smith 1991 and Smith 1995
Sister taxon: Orthopsis occidentalis
Ecology: epifaunal grazer-deposit feeder
Distribution:
• Cretaceous to Paleogene of the Netherlands (1 collection)
• Cretaceous of Belgium (4), Brazil (5), Egypt (2), France (4), Iran (1), the Netherlands (4), Saudi Arabia (4), Spain (4), the United Arab Emirates (1), United States (2: Texas)
Total: 32 collections including 33 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.