Linthia Desor 1853 (heart urchin)

Echinoidea - Spatangoida - Schizasteridae

Alternative spelling: Schizaster (Linthia)

Parent taxon: Schizasteridae according to A. B. Smith 1995

See also Clark and Twitchell 1915, Cooke 1942, Cooke 1959, Fischer 1966, Grant and Hertlein 1938, Kier 1984, Nagao 1928 and Sepkoski 2002

Sister taxa: Abatus, Agassizia, Aguayoaster, Brisaster, Brisasterinae, Caribbaster, Diploporaster, Faorina, Hemifaorina, Hemigymnia, Kina, Lambertona, Moira, Opissaster, Parabrissus, Peribrissus, Prenaster, Proraster, Pseudobrissus, Schizaster, Schizopneustes, Tripylus

Subtaxa: Linthia (Linthia) Linthia (Lutetiaster) Linthia alabamensis Linthia avilensis Linthia brodermanni Linthia cretacica Linthia garciai Linthia ghiroboensis Linthia hanoverensis Linthia houzeaui Linthia monteroae Linthia navillei Linthia praenipponica Linthia prima Linthia sanrafaelensis Linthia sudanensis Linthia variabilis Linthia wilmingtonensis Schizaster (Linthia) ocalanus Schizaster (Linthia) tumidulus

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Pliocene of Japan (2 collections)

• Miocene of Austria (1), Japan (2), Taiwan (1)

• Oligocene of Japan (2), the Russian Federation (1)

• Eocene of Argentina (1), Cote D'Ivoire (1), France (1), Haiti (1), India (1), Libya (1), Mexico (1), Niger (1), Qatar (3), Spain (1), United States (20: Florida, North Carolina, South Carolina)

• Paleocene to Eocene of Mali (1)

• Paleocene of Austria (1), Mali (7), the Netherlands (1), Niger (2), United States (15: Alabama, Arkansas, Georgia, Louisiana, New Jersey, Texas)

• Cretaceous to Paleogene of Mali (2)

• Cretaceous of Egypt (1), Oman (1), United States (33: Alabama, Arkansas, Mississippi, North Carolina, Texas)

Total: 105 collections including 120 occurrences

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