Cooperoceras: Difference between revisions
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Pennsylvanian rocks in Illinois - added source reference "Tucker1977" (edited with ProveIt); split a paragraph |
Entranced98 (talk | contribs) Adding local short description: "Extinct genus of molluscs", overriding Wikidata description "genus of molluscs" |
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{{Short description|Extinct genus of molluscs}} |
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| fossil_range = {{Fossil range|Pennsylvanian|Cisuralian}} |
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| image = Diorama of a Permian seafloor - coiled cephalopod, sponges, brachiopods (43887749560).jpg |
| image = Diorama of a Permian seafloor - coiled cephalopod, sponges, brachiopods (43887749560).jpg |
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| image_caption = Reconstruction of ''C. texanum'' at [[Carnegie Museum of Natural History]] |
| image_caption = Reconstruction of ''C. texanum'' at [[Carnegie Museum of Natural History]] |
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'''''Cooperoceras''''' is a genus of [[Tainoceratidae|Tainoceratid]] [[nautiloid]] [[cephalopod]] molluscs within the superfamily [[Tainoceratoidea]], characterized by and evolute shell with an open, perforate, umbilicus, sinuous ribs at maturity, and recurved hollow spines along the ventro-lateral shoulders. The flanks and venter are flattened, the flanks converge on the dorsum, the venter has a shallow median groove. The suture is with rounded ventral and lateral lobes. The siphuncle is small, tubular, and subcentral. (Kummel 1964, K413) |
'''''Cooperoceras''''' is a genus of [[Tainoceratidae|Tainoceratid]] [[nautiloid]] [[cephalopod]] molluscs within the superfamily [[Tainoceratoidea]], characterized by and evolute shell with an open, perforate, umbilicus, sinuous ribs at maturity, and recurved hollow spines along the ventro-lateral shoulders. The flanks and venter are flattened, the flanks converge on the dorsum, the venter has a shallow median groove. The suture is with rounded ventral and lateral lobes. The siphuncle is small, tubular, and subcentral. (Kummel 1964, K413) |
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''Cooperoceras'', known from the Lower Permian of |
''Cooperoceras'', known from the [[Lower Permian]] of North America and Europe ([[Urals]]), was named by Miller in 1945. The genotype is ''Cooperoceras texanum''. |
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''Cooperoceras'' has also been found in rocks of [[Pennsylvanian (geology)|Pennsylvanian]] age in [[Illinois]].<ref name="Tucker1977">{{cite journal | url=https://pubs.geoscienceworld.org/jpaleontol/article/51/2/363/107858/A-new-species-of-nautiloid-genus-Cooperoceras-from | title=A new species of nautiloid (genus Cooperoceras) from the Pennsylvanian of Illinois | author=Tucker, J.K. | journal=Journal of Paleontology | date=1977 | volume=51 | issue=2 | pages= 363–366}}</ref> |
''Cooperoceras'' has also been found in rocks of [[Pennsylvanian (geology)|Pennsylvanian]] age in [[Illinois]].<ref name="Tucker1977">{{cite journal | url=https://pubs.geoscienceworld.org/jpaleontol/article/51/2/363/107858/A-new-species-of-nautiloid-genus-Cooperoceras-from | title=A new species of nautiloid (genus Cooperoceras) from the Pennsylvanian of Illinois | author=Tucker, J.K. | journal=Journal of Paleontology | date=1977 | volume=51 | issue=2 | pages= 363–366}}</ref> |
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Latest revision as of 15:26, 13 July 2024
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| Cooperoceras Temporal range:
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| Reconstruction of C. texanum at Carnegie Museum of Natural History | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Family: | †Tainoceratidae |
| Genus: | †Cooperoceras Miller, 1945 |
Cooperoceras is a genus of Tainoceratid nautiloid cephalopod molluscs within the superfamily Tainoceratoidea, characterized by and evolute shell with an open, perforate, umbilicus, sinuous ribs at maturity, and recurved hollow spines along the ventro-lateral shoulders. The flanks and venter are flattened, the flanks converge on the dorsum, the venter has a shallow median groove. The suture is with rounded ventral and lateral lobes. The siphuncle is small, tubular, and subcentral. (Kummel 1964, K413)
Cooperoceras, known from the Lower Permian of North America and Europe (Urals), was named by Miller in 1945. The genotype is Cooperoceras texanum.
Cooperoceras has also been found in rocks of Pennsylvanian age in Illinois.[1]
The phylogenetic relationships of Cooperoceras are unclear.
References
[edit]- ^ Tucker, J.K. (1977). "A new species of nautiloid (genus Cooperoceras) from the Pennsylvanian of Illinois". Journal of Paleontology. 51 (2): 363–366.
- Kummel,B. 1964, Nauiloidea-Nautilida, in The Treatise on Invertebrate Paleontology, Part K, Nautiloidea; Geological Society of America and University of Kansas Press.
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