Trilobita - Corynexochida - Zacanthoididae
Full reference: C. E. Resser. 1939. The Spence Shale and its fauna. Smithsonian Miscellaneous Collections 97(12):1-29
Belongs to Zacanthoides according to C. E. Resser 1939
Sister taxa: Zacanthoides abbreviatus, Zacanthoides adjunctus, Zacanthoides demissus, Zacanthoides divergens, Zacanthoides eatoni, Zacanthoides fronslicinus, Zacanthoides holopygous, Zacanthoides holopygus, Zacanthoides idahoensis, Zacanthoides kelsayae, Zacanthoides sampsoni, Zacanthoides serratus, Zacanthoides spinosus, Zacanthoides typicalis, Zacanthoides variacantha, Zacanthoides walapai
Type specimen: USNM 96521, a pygidium
Ecology: nektobenthic carnivore
Distribution:
• Delamaran of United States (1: Idaho collection)
• Cambrian of United States (1: Idaho)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.