Artiopoda - Agnostida - Ptychagnostidae
Parent taxon: Ptychagnostidae according to H. B. Whittington et al. 1997
See also Sepkoski 2002
Sister taxa: Acidusus, Allobodochus, Aotagnostus, Goniagnostus, Lejopyge, Myrmecomimus, Onymagnostus, Pseudophalacroma, Ptychagnostus, Triplagnostus, Yakutiana
Subtaxa: Tomagnostus bothrus Tomagnostus fissus Tomagnostus sibiricus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Amgan of Kazakhstan (1 collection)
• Solvan of Canada (5: Newfoundland and Labrador)
• Cambrian of Canada (7: New Brunswick, Newfoundland and Labrador), the Czech Republic (1), Denmark (1), Greenland (2), Kazakhstan (3), the United Kingdom (2), United States (3: Montana, South Carolina)
Total: 25 collections including 29 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.