†Housia vacuna Walcott 1890 (trilobite)
Click image to enlarge. Click to access iDigBio record.
Artiopoda - Olenida - Pterocephaliidae
Alternative combination: Ptychoparia vacuna
Belongs to Housia according to C. E. Resser 1936
Sister taxa: Housia ovata, Housia varro
Type specimen: USNM 23862
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Canada (4: Alberta, British Columbia collections), United States (21: Arkansas, Pennsylvania)
Total: 25 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.