Gastropoda - Cyrtoneritida - Orthonychiidae
Alternative combination: Platyceras (Orthonychia) bowsheri
Full reference: E. L. Yochelson. 1956. Permian Gastropoda of the southwestern United States. 1. Euomphalacea, Trochonematacea, Pesudophoracea, Anomphalacea, Craspedostomatacea, and Platyceratacea. Bulletin of the American Museum of Natural History 110(3):173-276
Belongs to Orthonychia according to P. J. Wagner 2023
See also Bandel and Frýda 1999 and Yochelson 1956
Sister taxa: Orthonychia aculeata, Orthonychia acuta, Orthonychia baldwini, Orthonychia belli, Orthonychia campanulata, Orthonychia chesterense, Orthonychia concavum, Orthonychia conicum, Orthonychia conoidea, Orthonychia cornuforme, Orthonychia costata, Orthonychia daschi, Orthonychia dentalium, Orthonychia dubium, Orthonychia egorovi, Orthonychia elegans, Orthonychia enorme, Orthonychia extensum, Orthonychia gracilis, Orthonychia herzeri, Orthonychia inequilaterale, Orthonychia infabricatus, Orthonychia jeffersonensis, Orthonychia korotkovae, Orthonychia marblecreekensis, Orthonychia mayesense, Orthonychia obliquesulcata, Orthonychia pajerensis, Orthonychia parva, Orthonychia parvulum, Orthonychia pentalvea, Orthonychia perplexum, Orthonychia prosseri, Orthonychia protei, Orthonychia puellaris, Orthonychia quadrangularis, Orthonychia rostratus, Orthonychia rotunda, Orthonychia sciotoensis, Orthonychia sileni, Orthonychia spinigerum, Orthonychia subrectum, Orthonychia talon, Orthonychia tortuosa, Orthonychia trigonale, Orthonychia trirotundolobatum, Orthonychia undulatum, Orthonychia unguiculata, Orthonychia ungula, Orthonychia variablis, Orthonychia vishtytica, Orthonychia vomerium, Orthonychia wanneri, Orthonychia waverlyensis, Platyceras (Orthonychia) aroostooki, Platyceras (Orthonychia) compressa, Platyceras (Orthonychia) compressum, Platyceras (Orthonychia) conoideum, Platyceras (Orthonychia) cornutum, Platyceras (Orthonychia) ivanovi, Platyceras (Orthonychia) occidens, Platyceras (Orthonychia) ungula
Type specimen: USNM 119211, a shell. Its type locality is USNM706b, Hess Canyon, Glass Mtns., which is in a Wordian offshore shelf packstone/wackestone in the Word Formation of Texas.
Distribution:
• Permian of United States (16: Texas collections)
Total: 16 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.