Artiopoda - Ptychopariida - Marjumiidae
Full reference: S. R. Westrop and A. A. Dengler. 2017. The mid-Cambrian (Series 3, Drumian–Guzhangian; Marjuman) trilobite Holmdalia Robison, 1988, in western Newfoundland and its biostratigraphic significance. Canadian Journal of Earth Sciences 54(2):113-128
Belongs to Holmdalia according to S. R. Westrop and A. A. Dengler 2017
Sister taxon: Holmdalia punctata
Type specimen: GSC 139047, a cephalon/head (cranidium). Its type locality is BPS 469, which is in a Marjumian marine horizon in the Shallow Bay Formation of Canada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (2: Newfoundland, Yukon collections), Greenland (3)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.