Tergomya - Cyrtonellida - Cyrtolitidae
Full reference: J. Hall. 1879. Containing descriptions of the Gasteropoda, Pteropoda, and Cephalopoda of the Upper Helderberg, Hamilton, Portage, and Chemung Groups. Natural History of New York, Paleontology 5(2):1-492
Parent taxon: Cyrtolites according to J. Hall 1879
See also Knight and Yochelson 1960, Runnegar and Jell 1976, Sepkoski 2002, Starobogatov 1970 and Wagner 2023
Sister taxa: Cyrtolites (Cyrtolites), Cyrtolites budleighensis, Cyrtolites claysferryensis, Cyrtolites craigensis, Cyrtolites dilatus, Cyrtolites disjunctus, Cyrtolites grandis, Cyrtolites hornyi, Cyrtolites inornatum, Cyrtolites inprobus, Cyrtolites insculptus, Cyrtolites nodosus, Cyrtolites occultus, Cyrtolites ornatus, Cyrtolites retrorsus, Cyrtolites rugosus, Cyrtolites seminulum, Cyrtolites sinuatus, Cyrtolites sinuosus, Cyrtolites thraivensis, Cyrtolites trentonensis, Cyrtolites tuboides, Cyrtolites undulatus
Subtaxa: Cyrtolites (Cyrtonella) pileolus
Type: Cyrtolites mitella
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Devonian of United States (3: New York collections)
Total: 3 collections each including a single occurrence