Echinarachnius

Echinarachnius
Echnarachnius parma
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Clypeasteroida
Suborder:	Scutellina
Family:	Echinarachniidae
Genus:	Echinarachnius Gray, 1825
Species
†Echinarachnius alaskensis Durham, 1957 Echinarachnius asiaticus Michelin, 1859 †Echinarachnius humilis Nisiyama, 1968 †Echinarachnius kewi Grant & Eaton in Eaton, Grant & Allen, 1941 †Echinarachnius naganoensis Morishita, 1953 Echinarachnius parma (Lamarck, 1816) †Echinarachnius rumoensis Hayasaka & Shibata, 1952 †Echinarachnius subtumidus Nisiyama & Hashimoto, 1950

Echinarachnius is a genus of sand dollars. Species of Echinarachnius have been around since the Pliocene epoch.