Biology:Crioceratites
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Short description: Genus of molluscs (fossil)
{{Automatic taxobox
| image= Crioceratites sp.jpg
| image_caption = Crioceratites species
| fossil_range = {{fossil range|Valanginian|Barremian|ref=Cite error: Closing </ref> missing for <ref> tag[1]
- C. anglesensis Sarkar, 1955
- C. anglesensis non Sarkar Thomel, 1965
- C. angulatus Torcapel, 1884 - nomen dubium
- C. arci Dimitrova, 1967
- C. arkelli Sarkar, 1955
- C. baylei Sarkar, 1955
- C. barrabei Sarkar, 1955
- C. bispinatus Reynés, 1876 - nomen dubium
- C. bituberculatus D'Orbigny, 1842 - nomen dubium
- C. coniferus Busnardo in Busnardo et al., 2003
- C. curnieri Ropolo, 1992
- ?C. delessei Reynés, 1876
- C. duvalii Léveillé, 1837
- C. gagarini Dimitrova, 1967
- C. heterocostatus Mandov, 1976
- C. hildiensiformis Roch, 1930
- C. inermis Sarkar, 1955
- C. irregularis Dimitrova, 1967
- C. karakaschi Sarkar, 1955
- C. koechliniformis Sarkar, 1955
- C. krenkeli Sarkar, 1955
- C. lorioli Matheron, 1880
- C. loryi Sarkar, 1955
- C. mandovi Avram, 1995
- C. matsumotoi Sarkar, 1955
- ?C. monotuberculatus Avram, 2002 - nomen nudum
- C. monsalvensis Etayo-Serna, 1968
- ?C. mundum Renngarten, 1951 - nomen nudum
- C. panescorii Astier, 1851 - nomen dubium
- C. piveteaui Sarkar, 1955
- ?C. portarum Etayo-Serna, 1968
- C. primitivus Reboulet, 1996
- C. ramkrishnai Sarkar, 1955
- C. rodighieri Dimitrova, 1967
- C. sahnii Sarkar, 1955
- C. schindewolfi Sarkar, 1955
- C. shibaae Sarkar, 1955
- C. shibaniae Sarkar, 1955
- C. sinzowi Karakasch, 1907
- C. sornayi Sarkar, 1955
- C. stahleckeri Sarkar, 1955
- C. tehamaensis Anderson, 1938
- ?C. tenuilobatus von Koenen, 1902
- C. vialii Sarkar, 1955
- C. villiersianus D'Orbigny, 1842
- C. vishnui Sarkar, 1955
Description
Crioceratites is coiled in an open, normally equiangular spiral with an oval or subquadrate whorl section. The surface is banded by fine, dense, rounded ribbing sectioned by periodically spaced thick and often spinose ribs.
Distribution
Crioceratites fossils have been found in Lower Cretaceous Valanginian-Barremanian, sediments in Europe, Africa, Asia, North America and South America; Argentina , Chile and Colombia (Paja Formation).
References
- ↑ Klein, J. et al. FOSSILIUM CATALOGUS I:ANIMALIA Pars 144, Lower Cretaceous Ammonites III Bochianitoidea, Protancyloceratoidea, Ancyloceratoidea, Ptychoceratoidea, 2007.
Further reading
- Simon & Schuster's Guide To Fossils (Nature Guide Series) by Paolo Arduini
- Treatise on Invertebrate Paleontology, Part L, Ammonoidea,--Ancyloceratiaceae; Geological Society of America 1957, reprinted 1990.
Wikidata ☰ Q367393 entry
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