Order Echinothurioida Claus 1880
Alternative spelling: Echinothurideae
Full reference: C. F. W. Claus. 1880. Grundzüge der Zoologie. 4th edition, Elwertsche Universitätsbuchhandlung, Marburg & Leipzig 1-2
Parent taxon: Euechinoidea according to A. B. Smith 2015
See also Durham and Melville 1957, Fell 1966, Kroh and Smith 2010 and Sepkoski 2002
Sister taxa: Acroechinoidea, Diadematacea, Echinacea, Galeroclypeus, Loriolella, Serpianotiaroida, Triadocidaridae, Triadotiaroida
Subtaxa: Echinothuriidae Kamptosomatidae Pelanechinidae Phormosomatidae
Distribution:
• Cretaceous of Belgium (3 collections), Germany (1)
• Jurassic of Luxembourg (1), Switzerland (1), the United Kingdom (12)
Total: 18 collections each including a single occurrence