Procymaclymenia Korn, 2002

Klein, C. & Korn, D., 2014, A morphometric approach to conch ontogeny of Cymaclymenia and related genera (Ammonoidea, Late Devonian), Fossil Record 17 (1), pp. 1-32 : 11

publication ID

https://doi.org/ 10.5194/fr-17-1-2014

DOI

https://doi.org/10.5281/zenodo.10997802

persistent identifier

https://treatment.plazi.org/id/4D1287FB-CB3A-FFDF-FF98-3391FA14FB3D

treatment provided by

Felipe

scientific name

Procymaclymenia Korn, 2002
status

 

Procymaclymenia Korn, 2002 View in CoL

Type species: Cymaclymenia inflata Czarnocki, 1989, p. 67 (original designation (Korn in Korn and Klug, 2002, p. 220); not “ Cymaclymenia fundifera Czarnocki, 1989 ” as erroneously stated on p. 280).

Genus definition: Genus of the Cymaclymeniidae with blunt, slightly asymmetric lateral lobe.

Discussion: Procymaclymenia is a genus that closely resembles Cymaclymenia in conch shape, but differs in the less developed lateral lobe. While this lobe in Cymaclymenia is strongly asymmetric and pointed at the ventral side, it is less asymmetric in Procymaclymenia and does not show the acute ventral side. The genus has thus an intermediate position between Genuclymenia (with widely rounded lateral lobe) and Cymaclymenia (with acute lateral lobe).

The genus has a much more restricted geographic occurrence than Cymaclymenia . Records are so far only known from the Holy Cross Mountains ( Czarnocki, 1989), the South Urals ( Nikolaeva and Bogoslovsky, 2005) and North Africa.

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