Artiopoda - Agnostida - Ptychagnostidae
Alternative combination: Agnostus cuyanus
Belongs to Ptychagnostus according to Peng and Robison 2000
Sister taxa: Ptychagnostus (Acidusus), Ptychagnostus (Ptychagnostus), Ptychagnostus acidusus, Ptychagnostus affinis, Ptychagnostus akanthodes, Ptychagnostus aksayensis, Ptychagnostus atavus, Ptychagnostus convexus, Ptychagnostus intermedius, Ptychagnostus karatauensis, Ptychagnostus punctuosus, Ptychagnostus richmondensis, Ptychagnostus seminula, Ptychagnostus sinicus, Ptychagnostus spinosus, Zeteagnostus incautus, Zeteagnostus scarifatus, Triplagnostus (Aristarius) aristarius
Ecology: nektonic suspension feeder
Distribution:
• Cambrian of Argentina (2 collections), China (6), Kazakhstan (3), United States (2: Utah)
Total: 13 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.