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Family Rotulidae Gray 1855 (sand dollar)

Echinoidea - Clypeasteroida

PaleoDB taxon number: 168482

Alternative spelling: Rotulina

Full reference: J. E. Gray. 1855. Catalogue of the Recent Echinida, or Sea Eggs, in the Collection of the British Museum. Part I. Echinida Irregularia. Woodfall & Kinder, London 1-69

Parent taxon: Scutelliformes according to A. Kroh and A. B. Smith 2010

Sister taxa: Abertellidae, Astriclypeidae, Dendrasteridae, Echinarachniidae, Eoscutellidae, Mellitidae, Monophorasteridae, Placatenellidae, Protoscutellidae, Scutasteridae, Scutellidae, Taiwanasteridae

Subtaxa: Heliophora, Rotula, Rotuloidea

View classification

Type: Rotula

Ecology: slow-moving semi-infaunal detritivore