Mellitidae

Mellitidae
Illustration of Leodia sexiesperforata by Louis Agassiz, 1841
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Clypeasteroida
Suborder: Scutellina
Family: Mellitidae
Stefanini, 1912
Genera

see text

Mellitidae is a family of sand dollars, in the echinoderm order Clypeasteroida. These irregular sea urchins bury themselves in soft sediment in shallow seas.