Trilobita - Phacopida - Pterygometopidae
Alternative combination: Calliops angusta
Full reference: B. N. Cooper. 1953. Trilobites from the Lower Champlainian formations of the Appalachian Valley. Geological Society of America Memoir 55:1-69
Belongs to Calyptaulax according to R. J., Jr. Ross and H. B. Barnes 1967
See also Cooper 1953
Sister taxa: Calyptaulax annulata, Calyptaulax brongniartii, Calyptaulax callicephalus, Calyptaulax callirachis, Calyptaulax cornwalli, Calyptaulax glabella, Calyptaulax holstonensis, Calyptaulax hunteri, Calyptaulax incepta, Calyptaulax norvegicus, Calyptaulax sillimani, Calyptaulax strasburgensis
Type specimen: USNM 78976a, a cephalon/head
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at D 829 CO ( of Nevada)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.