†Goniagnostus (Criotypus) Opik 1979 (artiopod)
Artiopoda - Agnostida - Ptychagnostidae
Alternative spellings: Criotypus, Goniagnostus (Cryotypus)
Parent taxon: Goniagnostus according to A. A. Öpik 1979
See also Sepkoski 2002 and Westrop et al. 1996
Sister taxa: Goniagnostus fumicola, Goniagnostus lemniscatus, Goniagnostus nathorsti, Goniagnostus scarabaeus, Goniagnostus spiniger, Goniagnostus venustus
Subtaxa: Criotypus oxytorus
Ecology: slow-moving epifaunal detritivore
Distribution:
• Cambrian of Australia (2 collections)
Total: 2 collections each including a single occurrence