†Megalaspis (Plesiomegalaspis) Thoral 1946 (trilobite)
Artiopoda - Asaphida - Asaphidae
Alternative spelling: Kayseraspis (Plesiomegalaspis)
Parent taxon: Megalaspis according to Thoral 1946
See also Harrington et al. 1959, Jell and Adrain 2002 and Sepkoski 2002
Sister taxa: Megistaspis (Megistaspidella), Megistaspis (Megistaspis), Megistaspis (Paramegistaspis), Megistaspis (Rhinoferus), Megistaspis limbatus, Megalaspis lata, Megalaspis saltaensis, Megalaspis rudis, Megalaspis belemnurus, Megalaspis pugiocauda
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Megalaspis (Plesiomegalaspis) in the database