Trilobita - Phacopida - Pterygometopidae
Alternative combination: Pterygometopus holstonensis
Full reference: P. E. Raymond. 1925. Some trilobites of the lower Middle Ordovician of eastern North America. Bulletin of the Museum of Comparative Zoölogy at Harvard College 67(1):1-180
Belongs to Calyptaulax according to B. N. Cooper 1953
See also Raymond 1925
Sister taxa: Calyptaulax angusta, Calyptaulax annulata, Calyptaulax brongniartii, Calyptaulax callicephalus, Calyptaulax callirachis, Calyptaulax cornwalli, Calyptaulax glabella, Calyptaulax hunteri, Calyptaulax incepta, Calyptaulax norvegicus, Calyptaulax sillimani, Calyptaulax strasburgensis
Type specimen: MCZ 1644 - 1646 (cotypes)
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Calyptaulax holstonensis in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.