†Cheirurus (Pseudosphaerexochus) Schmidt 1881 (trilobite)
Trilobita - Phacopida - Cheiruridae
Parent taxon: Cheirurus according to F. Schmidt 1881
See also Gapp et al. 2012, Jell and Adrain 2002, Kielan-Jaworowska et al. 1991, Nikolaisen 1965, Owen 1981, Owen and Bruton 1980 and Sepkoski 2002
Sister taxa: Cheirurus (Crotalocephalina), Cheirurus clasonii, Cheirurus dilatatus, Cheirurus glaber, Cheirurus juvenis, Cheirurus marianus, Cheirurus niagarensis, Cheirurus nuperus, Cheirurus patens, Cheirurus punctatus, Cheirurus tarquininus, Cheirurus welleri, Crotalocephalus
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Cheirurus (Pseudosphaerexochus) in the database