Arpadites

{{Short description|Genus of molluscs (fossil)}}

{{Automatic taxobox

| fossil_range = Middle-Upper Triassic (Ladinian-Carnian)

| image = Museo delle Grigne - EL88 - Arpadites (Arpadites) szaboi.jpg

| image_caption = Arpadites szaboi

| taxon = Arpadites

| authority = Mojsisovic, 1879

| subdivision_ranks =

| subdivision =

}}

Arpadites is a genus of ceratitids in the family TrachyceratidaeM. 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 from the Middle and Upper Triassic (Ladinian and Carnian stages) of Nevada (United States),Francis Newlands Johnston. 1941. [https://www.jstor.org/stable/1298808 Trias at New Pass, Nevada (New Lower Karnic Ammonoids)]. Journal of Paleontology Vol. 15, No. 5 (Sep., 1941), pp. 447-491 (53 pages). 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

File:Museo delle Grigne - EL96A - Arpadites (Arpadites) arpadis.jpg|Arpadites arpadis

File:Museo delle Grigne - EL96B - Arpadites (Arpadites) szaboi.jpg|Arpadites szaboi

File:Museo delle Grigne - EL96B - Arpadites (Arpadites) szaboi.jpg|Arpadites szaboi

File:Museo delle Grigne - EL66 - Arpadites telleri.jpg|Arpadites telleri

References

{{Reflist}}

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

{{Taxonbar|from=Q4795718}}

Category:Middle Triassic ammonites

Category:Ceratitida genera

Category:Ammonites of Europe

Category:Ladinian first appearances

Category:Carnian extinctions

Category:Late Triassic ammonites

Category:Trachyceratidae

{{Ceratitida-stub}}