Family Laganidae Desor 1858 (sand dollar)

Echinoidea - Clypeasteroida - Laganidae

Alternative spelling: Laganes

Full reference: E. Desor. 1858. Synopsis des échinides fossiles. Reinwald, Paris 1-490

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

See also Durham 1966, Kosnik 2002 and Smith 2009

Sister taxon: Fibulariidae

Subtaxa: Fibulina Hupea Jacksonaster Laganinae Laganum Neolaganinae Peronella Peronellites Rumphia Sismondia

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Type: Laganum

Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Pliocene to Pleistocene of Egypt (1 collection)

• Pliocene of Egypt (2)

• Miocene of Cuba (1), Fiji (3), Indonesia (2), Northern Mariana Islands (3), South Africa (1)

• Oligocene of Antigua and Barbuda (1), Cuba (1), Oman (1)

• Eocene of Egypt (2), Germany (1), Libya (2), Panama (1), United States (6: Alabama, Florida, South Carolina)

Total: 28 collections including 39 occurrences

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