Petitclercia
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| Genus: | Petitclercia
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Petitclercia is a genus of molluscs from the strigoceratid subfamily Disticocratinae which are included in the ammonitid superfamily Haplocerataceae. Petitclercia, named by Rollier, 1909.
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
[edit]Only found in the upper Middle Jurassic (Callovian) of Vendée, France.[2]
References
[edit]- ^ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2017-10-18.
- ^ 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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