Artiopoda - Agnostida - Ptychagnostidae
Alternative combination: Ptychagnostus scarifatus
Full reference: A. A. Öpik. 1979. Middle Cambrian agnostids: systematics and biostratigraphy. . Bureau of Mineral Resources, Geology and Geophysics, Bulletin 172:1-188
Belongs to Zeteagnostus according to J. R. Laurie 1988
See also Öpik 1979
Sister taxa: Ptychagnostus (Acidusus), Ptychagnostus (Ptychagnostus), Ptychagnostus acidusus, Ptychagnostus affinis, Ptychagnostus akanthodes, Ptychagnostus aksayensis, Ptychagnostus atavus, Ptychagnostus convexus, Ptychagnostus cuyanus, Ptychagnostus intermedius, Ptychagnostus karatauensis, Ptychagnostus punctuosus, Ptychagnostus richmondensis, Ptychagnostus seminula, Ptychagnostus sinicus, Ptychagnostus spinosus, Zeteagnostus incautus, Triplagnostus (Aristarius) aristarius
Type specimen: CPC 14235
Ecology: nektonic suspension feeder
Distribution:
• Cambrian of Australia (2 collections)
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.