†family Palaechinidae M'Coy 1849 (sea urchin)
Echinoidea - Palaechinoidea - Palaechinidae
Full reference: F. M'Coy. 1849. On some new Paleozoic Echinodermata. Annals and Magazine of Natural History, ser. 2 3:244-254
Parent taxon: Palechinida according to P. M. Kier 1966
Sister taxa: Cravenechinidae, Wrightia, Xysteria
Subtaxa: Lovenechinus Maccoya Melonechinus Oligoporus Palaechinus
Type: Palaechinus
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Permian of Greece (1 collection)
• Carboniferous of the United Kingdom (1), United States (1: Indiana)
Total: 3 collections each including a single occurrence