Arpadites
Template:Short description Template:Automatic taxobox
Arpadites is a genus of ceratitids in the family Trachyceratidae[1] from the Middle and Upper Triassic (Ladinian and Carnian stages) of Nevada (United States),[2] Alps, Italy, Balkans, Himalayas, and Japan. (Arkel et al. 1962, L162)
The genotype Arpadites arpadis came from the upper Middle Triassic (Ladinian) of the Alps in Europe.
Description
Arpadites, named by Mojsisovics, 1879, is characterized by a compressed, evolute, discoidal shell with radial or faintly sigmoidal ribs; smooth, continuous keels; umbilical tubercles, with or without lateral and ventrolateral tubercles as well; and ceratitic sutures with two lateral lobes (on either side).
Gallery
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Arpadites arpadis
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Arpadites szaboi
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Arpadites szaboi
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Arpadites telleri
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References
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- ↑ M. Urlichs. 2017. Revision of some stratigraphically relevant ammonoids from the Cassian Formation (latest Ladinian-Early Carnian, Triassic) of St. Cassian (Dolomites, Italy). Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 283:173-204
- ↑ Francis Newlands Johnston. 1941. Trias at New Pass, Nevada (New Lower Karnic Ammonoids). Journal of Paleontology Vol. 15, No. 5 (Sep., 1941), pp. 447-491 (53 pages).
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Further reading
- Arkel et al., 1962. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology Part L, Mollusca 4, R.C. Moore (ed)
- N. Fantini Sestini. 1994. The Ladinian ammonoids from the Calcare di Esino of Val Parina (Bergamasc Alps, Northern Italy). Part. 1. Rivista Italiana di Paleontologia e Stratigrafia 100(2):227-284
- J. J., J.r. Sepkoski. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560