Echinoidea - Cidaroida - Psychocidaridae
Parent taxon: Psychocidarinae according to P. Gravesen 1993
See also Fell 1966 and Sepkoski 2002
Sister taxa: Merocidaris, Roseicidaridae, Roseicidaris
Subtaxa: Tylocidaris (Sardocidaris) Tylocidaris (Tylocidaris) Tylocidaris clavigera Tylocidaris gosae Tylocidaris salina Tylocidaris vexilifera Tylocidaris walcotti Tylocidaris windi
Type: Cidaris clavigera
Ecology: slow-moving low-level epifaunal grazer-omnivore
• Miocene of Italy (3 collections)
• Eocene of Cuba (2)
• Paleocene of Denmark (4), the Netherlands (2), United States (6: Alabama, New Jersey)
• Cretaceous to Paleogene of the Netherlands (1)
• Cretaceous of Belgium (1), the Czech Republic (5), France (2), Germany (1), the Netherlands (1), Spain (9), Sweden (1), the United Kingdom (5)
Total: 43 collections including 54 occurrences
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