Rodzaj Pachyclymenia Schindewolf, 1937

Gatunek typowy
Pachyclymenia abeli Schindewolf, 1937.

Opis

Diagnosis. — Moderately involute conch with rounded venter; suture with relatively narrow, rounded flank lobe and wide ventral lobe. 

Remarks. — Despite some complication, the septum geometry was probably inherited by Pachyclymenia after the earliest Protornoceras-like clymenias. P. kozlowskii, with its internal shell constrictions and discoidal conch seems to be close to the ancestral condition. 

Synonimy

Zasięg czasowy

Literatura

Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359.

Specyfikacja

Królestwo
ANIMALIA 

Typ
MOLLUSCA

Podtyp
CONCHIFERA

Gromada
CEPHALOPODA

Podgromada
AMMONOIDEA

Rząd
Clymeniida

Rodzina
Biloclymeniidae

Rodzaj
Pachyclymenia


Tags:
Utworzone 2015/08/04 15:11 przez Jerzy Dzik

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