Coeloptychium
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| Coeloptychium Temporal range: Cretaceous,
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| Fossil of Coeloptychium agaricoides from the Campanian of Nisburg, Westphalia | |
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| Family: | Roemer, 1864
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| Genus: | †Coeloptychium Goldfuss, 1826
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Coeloptychium is an extinct genus of lychniscosidan hexasterophoran sea sponge which has often been used as an index fossil.[1] Its remains have been found in Cretaceous sediments in Germany, Belgium, France and the UK.[2] Coeloptyhcium is best preserved in Campanian sediments in Germany. The type species, C. agaricoides, was named in 1826.
Species
- Coeloptychium agaricoides Goldfuss, 1826
- Coeloptychium deciminum Roemer, 1841
- Coeloptychium incisum Roemer, 1841
- Coeloptychium princeps Roemer, 1861
- Coeloptychium rude Zittel, 1876
- Coeloptychium seebachi Zittel, 1876
- Coeloptychium subagaricoides Sinov, 1871
- Coeloptychium sulciferum Roemer, 1841
References
- ^ R. M. Finks, R. E. H. Reid, and J. K. Rigby. 2004. Porifera (Demospongea, Hexactinellida, Heteractinida, Calcarea). Treatise on Invertebrate Paleontology Part E, Revised E(3):1-872 [W. Kiessling/W. Kiessling/W. Kiessling]
- ^ A. Schrammen. 1912. Die Kieselspongien der oberen Kreide von Nordwestdeutschland, Teil 2 Triaxonia (Hexactinellida) [Upper Cretaceous sponges from north-western Germany, part 2 Triaxonia (Hexactinellida)]. Palaeontographica, Supplement 5:176-385 [W. Kiessling/U. Merkel/U. Merkel]
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