Trilobita - Trinucleida - Raphiophoridae
Parent taxon: Lonchodomas according to Perfiliev and Levitsky 1963
Sister taxa: Lonchodomas carinatus, Lonchodomas chaziensis, Lonchodomas clavulus, Lonchodomas coagmentatum, Lonchodomas depressus, Lonchodomas halli, Lonchodomas normalis, Lonchodomas paenepennatus, Lonchodomas pennatus, Lonchodomas politus, Lonchodomas portlocki, Lonchodomas punctatus, Lonchodomas retrolatus, Lonchodomas rostratus, Lonchodomas sublaevis, Lonchodomas suriensis, Lonchodomas tenuis, Lonchodomas tumidus, Lonchodomas volborthi, Lonchodomas yohi
Subtaxa: none
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Ordovician of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence