Petitclercia

Petitclercia is a genus of molluscs from the strigoceratid subfamily Disticocratinae which are included in the ammonitid superfamily Haplocerataceae. Petitclercia, named by Rollier, 1909.

Petitclercia
Temporal range: Callovian[1]
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Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Superfamily:
Haplocerataceae
Family:
Strigoceratidae
Genus:
Petitclercia

The shell of Petitclercia is involute, very compressed, with a sharp umbilical angle and sharp fastigate venter. Spath (1928)speculated that Petitclercia is perhaps "an involute development of Chanasia", another of the Distichoceratinae.

Distribution

Only found in the upper Middle Jurassic (Callovian) of Vendée, France.[2]

References
  1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2017-10-18.
  2. Paleobiology Database - Petitclercia. 2017-10-19.
  • Treatise on Invertebrate Paleontology, Part L, Ammonoidea; (L279), Geological Society of America and Univ of Kansas press, 1964


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