†Physemataspis (Prophysemataspis) Lespérance and Desbiens 1995 (trilobite)
Artiopoda - Phacopida - Encrinuridae
Full reference: P. J. Lespérance and D. Desbiens. 1995. Selected Ordovician trilobites from the Lake St. John District of Quebec and their bearing on systematics. Paleontological Society Memoir 42:1-19
Parent taxon: Physemataspis according to P. J. Lespérance and D. Desbiens 1995
See also Jell and Adrain 2002
Sister taxa: Physemataspis (Physemataspis), Physemataspis coopi, Physemataspis insularis, Physemataspis mirabilis, Physemataspis tholus, Physemataspis torulatus
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Physemataspis (Prophysemataspis) in the database