†Protolenus (Protolenus) Matthews 1892 (trilobite)
Trilobita - Redlichiida - Ellipsocephalidae
Parent taxon: Protolenus according to Matthews 1892
Sister taxon: Protolenus pustulatus
Subtaxa: Protolenus (Protolenus) densigranulatus
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution: