Sphaerocoryphe Angelin 1854 (trilobite)

Trilobita - Phacopida - Cheiruridae

Alternative spelling: Cheirurus (Sphaerocoryphe)

Parent taxon: Deiphoninae according to Z. Zhou et al. 1998

See also Jell and Adrain 2002, Kielan-Jaworowska et al. 1991, Neuman and Bruton 1974, Owen 1981, Owen and Bruton 1980, Schmidt 1881, Sepkoski 2002 and Warburg 1925

Sister taxa: none

Subtaxa: Sphaerocoryphe arachniformis Sphaerocoryphe dentata Sphaerocoryphe gemina Sphaerocoryphe granulata Sphaerocoryphe kingi Sphaerocoryphe longispina Sphaerocoryphe ludvigseni Sphaerocoryphe major Sphaerocoryphe psiles Sphaerocoryphe punctata Sphaerocoryphe robusta

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Type: Sphaerocoryphe dentata

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Silurian of Australia (1 collection), the United Kingdom (2)

• Uhaku of the Russian Federation (1), Sweden (1)

• Whiterockian of Canada (1: Quebec), United States (7: New York, Vermont)

• Chazyan of Canada (3: Northwest Territories), United States (2: New York)

• Ordovician of Australia (2), Belgium (1), Canada (17: Newfoundland, Northwest Territories, Quebec), Ireland (4), Kazakhstan (2), the Netherlands (1), Norway (8), Sweden (18), the United Kingdom (28), United States (13: Illinois, Missouri, Nevada, New York, Oklahoma, Virginia)

Total: 112 collections including 118 occurrences

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