†tribe Tetralichini Pollitt et al. 2005 (trilobite)

Trilobita - Lichida - Lichidae

Full reference: J. R. Pollitt, R. A. Fortey, and M. A. Wills. 2005. Systematics of the trilobite families Lichidae Hawle & Corda, 1847 and Lichakephalidae Tripp, 1957: the application of Bayesian inference to morphological data. Journal of Systematic Palaeontology 3(3):225-241

Parent taxon: Lichinae according to J. R. Pollitt et al. 2005

Sister taxa: Anadesma, Dicranopeltini, Echinolichini, Lichini, Platylichini, Trimerolichas

Subtaxa: Amphilichas Apatolichas Lyralichas Pseudotupolichas

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Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Silurian of Estonia (1 collection), United States (1: Illinois)

• Ordovician to Silurian of Canada (4: Québec)

• Ordovician of Argentina (1), Australia (7), Canada (27: Newfoundland, Newfoundland and Labrador, Northwest Territories, Ontario, Quebec, Québec), China (9), Ireland (6), Kazakhstan (6), Norway (9), the Russian Federation (1), Sweden (11), the United Kingdom (15), United States (31: California, Illinois, Illinois, Iowa, Iowa/Wisconsin, Michigan, Minnesota, Missouri, Nevada, New York, Ohio, Oklahoma, Tennessee, Virginia)

• Chazy of United States (17: New York)

• Llandeilo of the United Kingdom (3)

• Whiterockian of Canada (10: Newfoundland and Labrador, Northwest Territories, Quebec), United States (14: Nevada, New York, Oklahoma, Vermont)

Total: 173 collections including 209 occurrences

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