Platyceras (Orthonychia) aroostooki Williams and Breger 1916 (snail)

Gastropoda - Cyrtoneritimorpha - Orthonychiidae

Full reference: H. S. Williams and C. L. Breger. 1916. The fauna of the Chapman Sandstone of Maine. United States Geological Survey Professional Paper 89:1-347

Belongs to Platyceras (Orthonychia) according to H. S. Williams and C. L. Breger 1916

Sister taxa: Orthonychia aculeata, Orthonychia acuta, Orthonychia baldwini, Orthonychia belli, Orthonychia bowsheri, Orthonychia campanulata, Orthonychia chesterense, Orthonychia concavum, Orthonychia conicum, Orthonychia conoidea, Orthonychia cornuforme, Orthonychia cornuta, 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 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) compressa, Platyceras (Orthonychia) compressum, Platyceras (Orthonychia) conoideum, Platyceras (Orthonychia) ivanovi, Platyceras (Orthonychia) occidens, Platyceras (Orthonychia) ungula

Type specimen: Its type locality is locality 1099C. Edmunds Hill, Chapman Township, which is in a Lochkovian delta front sandstone in the Chapman Sandstone Formation of Maine.

Ecology: epifaunal

Distribution: found only at locality 1099C. Edmunds Hill, Chapman Township

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