Cleoniceras
From Infogalactic: the planetary knowledge core
| colspan=2 style="text-align: center; background-color: transparent; text-align:center; border: 1px solid red;" | Cleoniceras |
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| File:Cleoniceras besairiei Collignon Alb inf Madagascar.JPG | |
| Cleoniceras besairiei, Madagascar | |
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Cleoniceras
Parona & Bonnarelli 1895
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Cleoniceras is a rather involute, high-whorled hoplitid from the Lower to basal Middle Albian of Europe, Madagascar, and Transcaspian region. The shell has a generally small umbilicus, arched to acute venter, and typically at some growth stage, falcoid ribs that spring in pairs from umbilical tubercles, usually disappearing on the outer whorls.
Cleoniceras is included in the subfamily Cleoniceratinae.
Species
This genus contains the species C. cleon and C. besairiei.
References
- Treatise on Invertebrate Paleontology, Part L (Ammonoidea). R.C. Moore (ed). Geological Soc of America and Univ. Kansas Press (1957), p L394
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