Trilobita - Proetida - Tropidocoryphidae

Alternative combination: Proetus pentagonoides

Belongs to Stenoblepharum according to R. M. Owens 1973

Sister taxa: Stenoblepharum astinil, Stenoblepharum kullsbergense, Stenoblepharum norvegicum, Stenoblepharum strasburgense, Stenoblepharum striatum, Stenoblepharum warburgae

Type specimen: RM. Ar 10838, a cephalon/head (cranidium).

Ecology: fast-moving low-level epifaunal deposit feeder