Infraorder Laganiformes Desor 1847 (sand dollar)

Echinoidea - Clypeasteroida

Full reference: E. Desor. 1847. Sur quelques oursins fossiles de la Patagonie. Bulletin de la Société Géologique de France, Série 2 4:287-288

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

Sister taxa: Proescutella, Samlandaster, Scutelliformes, Scutellinidae, Scutulum

Subtaxa: Fibulariidae Laganidae

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Ecology: slow-moving semi-infaunal detritivore

Distribution:

• Quaternary of Saudi Arabia (1 collection), United States (1: Alaska)

• Pliocene to Pleistocene of Egypt (1)

• Pliocene of Belgium (1), Egypt (2), the Marshall Islands (2), Papua New Guinea (1), Portugal (1), the United Kingdom (1)

• Miocene to Pliocene of United States (2: California)

• Miocene of Australia (2), Austria (1), Cuba (1), Egypt (1), Fiji (6), France (1), Indonesia (2), Italy (7), Madagascar (4), the Marshall Islands (1), Northern Mariana Islands (3), Papua New Guinea (1), Poland (1), Qatar (6), Somalia (2), South Africa (1), United States (2: Florida)

• Oligocene to Miocene of Malta (1), the Marshall Islands (2)

• Oligocene of Antigua and Barbuda (1), Germany (2), India (1), the Marshall Islands (4), Mexico (1), Oman (1), United States (3: Alabama, Georgia, North Carolina)

• Eocene of Egypt (3), Germany (1), Libya (4), the Marshall Islands (4), Nigeria (3), Pakistan (1), Panama (1), Qatar (5), Romania (1), United States (25: Alabama, Florida, Georgia, North Carolina, Texas)

• Paleocene of Nigeria (1), Togo (1)

Total: 121 collections including 139 occurrences

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