Rodzaj Isohomoceras Ruzhencev et Bogoslovskaya, 1971
Gatunek typowy Opis Homoceratins with little or no evidence of a calyx stage and narrow umbilici; Isohomoceras appears to be the ancestor of all other homoceratids. Synonimy Zasięg czasowy Carboniferous; Bashkirian Literatura Ruzhencev, V.E. & Bogoslovskaya, M.F. 1978. Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei. Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR 167: 1-336, fig.1-108, pl.1-44; Moskva. Titus, A.L. & Manger, W.L. 2001. Mid-Carboniferous Ammonoid Biostratigraphy, Southern Nye County, Nevada: Implications of the First North American Homoceras. Memoir (The Paleontological Society) 55 (Supplement to Vol. 75, no. 4 of the Journal of Paleontology): 1-31. |
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