†Ptychagnostus (Ptychagnostus) Jaekel 1909 (artiopod)
Artiopoda - Agnostida - Ptychagnostidae
Parent taxon: Ptychagnostus according to S. R. Westrop et al. 1996
Sister taxa: Ptychagnostus (Acidusus), 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, Triplagnostus (Aristarius) aristarius, Zeteagnostus incautus, Zeteagnostus scarifatus
Subtaxa: none
Ecology: nektonic suspension feeder
Distribution: there are no occurrences of Ptychagnostus (Ptychagnostus) in the database