Calyptaulax callicephalus Hall 1847 (trilobite)

Trilobita - Phacopida - Pterygometopidae

Alternative combinations: Calliops callicephala, Calliops callicephalus, Calyptaulax callicephala, Dalmania callicephala, Phacops callicephalus, Pterygometopus callicephalus

Belongs to Calyptaulax according to C. E. Brett et al. 1999

See also Allen and Lester 1957, Delo 1935, Hall 1859 and Shaw 1968

Sister taxa: Calyptaulax angusta, Calyptaulax annulata, Calyptaulax brongniartii, Calyptaulax callirachis, Calyptaulax cornwalli, Calyptaulax glabella, Calyptaulax holstonensis, Calyptaulax hunteri, Calyptaulax incepta, Calyptaulax norvegicus, Calyptaulax sillimani

Ecology: fast-moving low-level epifaunal carnivore


• Ordovician of Canada (7: Ontario, Quebec collections), United States (23: Georgia, Illinois, Missouri, New York, Virginia)

Total: 30 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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