Arpadites

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)

Arpadites
Temporal range: Middle-Upper Triassic (Ladinian-Carnian)
Arpadites szaboi
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ceratitida
Family: †Trachyceratidae
Subfamily: †Arpaditinae
Genus: †Arpadites
Mojsisovic, 1879

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).

  • Arpadites arpadis
    Arpadites arpadis
  • Arpadites szaboi
    Arpadites szaboi
  • Arpadites szaboi
    Arpadites szaboi
  • Arpadites telleri
    Arpadites telleri

References
  1. 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
  2. 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).

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


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