Trilobita - Proetida - Tropidocoryphidae

Full reference: G. D. Edgecombe, B.D.E. Chatterton, N.E. Vaccari and B.G. Waisfeld. 1997. Ontogeny of the proetid trilobite Stenoblepharum, and relationships of a new species from the Upper Ordovician of Argentina. Journal of Paleontology 71(3):419-433

Belongs to Stenoblepharum according to G. D. Edgecombe et al. 1997

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

Type specimen: CEGH-UNC 14562, a cephalon/head (cranidium). Its type locality is LA j, Las Aguaditas North Section, ~5.5 km west and ~9.5 km south of San José da Jáchal, which is in a Costonian deep subtidal shelf marl/claystone in the Las Aguaditas Formation of Argentina.

Ecology: fast-moving low-level epifaunal deposit feeder