Palaeoniscum (from Greek: παλαιός palaiós, 'ancient' and Greek: ὀνίσκος onískos 'cod-fish' or 'woodlouse') is an extinct genus of ray-finned fish from the Permian period (Guadalupian-Lopingian) of Europe (England, Germany, Czech Republic?, Turkey), North America (Greenland), and possibly other regions. The genus was named Palaeoniscum in 1818 by Henri Marie Ducrotay de Blainville, but was later misspelled as Palaeoniscus by Blainville and other authors (notably Louis Agassiz). Palaeoniscum belongs to the family Palaeoniscidae.
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| - Palaeoniscum (de)
- Palaeoniscum (fr)
- Palaeoniscum (it)
- Palaeoniscum (nl)
- Palaeoniscum (en)
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| - Palaeoniscum ist eine ausgestorbene Gattung der Unterklasse Actinopterygii. Dieser zur Familie der gehörende Knochenfisch (Osteichthyes) lebte im Oberperm (Wuchiapingium). (de)
- Palaeoniscum est un genre éteint d'actinoptérygiens. Plus précisément, il s'agit d'un chondrostéen. L'espèce type Palaeoniscum blainvillei fut retrouvée au Carbonifère et au Permien de France, notamment.
* Fossile de Palaeoniscum freieslebeni.
* fossile de Palaeoniscum vratislavensis. (fr)
- Il paleonisco (gen. Palaeoniscum) è un pesce osseo estinto, appartenente ai paleonisciformi. Visse nel Permiano (circa 280 – 250 milioni di anni fa) e i suoi resti sono stati ritrovati in Europa e in Nordamerica. (it)
- Palaeoniscum is een uitgestorven geslacht van straalvinnige vissen die leefden in het Perm. Er zijn ten minste drie soorten in het geslacht benoemd. (nl)
- Palaeoniscum (from Greek: παλαιός palaiós, 'ancient' and Greek: ὀνίσκος onískos 'cod-fish' or 'woodlouse') is an extinct genus of ray-finned fish from the Permian period (Guadalupian-Lopingian) of Europe (England, Germany, Czech Republic?, Turkey), North America (Greenland), and possibly other regions. The genus was named Palaeoniscum in 1818 by Henri Marie Ducrotay de Blainville, but was later misspelled as Palaeoniscus by Blainville and other authors (notably Louis Agassiz). Palaeoniscum belongs to the family Palaeoniscidae. (en)
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| - Palaeoniscum freieslebeni fossil (en)
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| - * Palaeoniscus (Agassiz, 1833 non Von Meyer, 1858)
* Palaeoniscas (Rzchak, 1881)
* Eupalaeoniscus (Rzchak, 1881)
* Palaeomyzon (Weigelt, 1930)
* Geomichthys (Sauvage, 1888) (en)
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| - †Palaeoniscum freieslebeni (en)
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| - Palaeoniscum ist eine ausgestorbene Gattung der Unterklasse Actinopterygii. Dieser zur Familie der gehörende Knochenfisch (Osteichthyes) lebte im Oberperm (Wuchiapingium). (de)
- Palaeoniscum est un genre éteint d'actinoptérygiens. Plus précisément, il s'agit d'un chondrostéen. L'espèce type Palaeoniscum blainvillei fut retrouvée au Carbonifère et au Permien de France, notamment.
* Fossile de Palaeoniscum freieslebeni.
* fossile de Palaeoniscum vratislavensis. (fr)
- Palaeoniscum (from Greek: παλαιός palaiós, 'ancient' and Greek: ὀνίσκος onískos 'cod-fish' or 'woodlouse') is an extinct genus of ray-finned fish from the Permian period (Guadalupian-Lopingian) of Europe (England, Germany, Czech Republic?, Turkey), North America (Greenland), and possibly other regions. The genus was named Palaeoniscum in 1818 by Henri Marie Ducrotay de Blainville, but was later misspelled as Palaeoniscus by Blainville and other authors (notably Louis Agassiz). Palaeoniscum belongs to the family Palaeoniscidae. The type species Palaeoniscum freieslebeni was named after Johann Carl Freiesleben (1774–1846), mining commissioner of Saxony. P. freieslebeni is the most common taxon in the Wuchiapingian aged Kupferschiefer and Marl Slate, where it constitutes 80% of all fish fossils. Palaeoniscum had a torpedo-shaped body 30 cm (12 in) in length, with a deeply forked caudal fin and tall dorsal fin, indicating that it was a fast swimmer. It was probably an active predator, feeding on other freshwater fish. Its sharp teeth could be replaced when lost, a trait also seen in modern sharks. Like other early ray-finned fish, Palaeoniscum had air sacs connected to the mouth, which served as a primitive swim bladder. Several Palaeozoic and Mesozoic species that have been ascribed to the genus Palaeoniscum were later shown to be only distantly related with P. freieslebeni. These species were subsequently removed and transferred to other genera (e.g., Acentrophorus, Aeduella, Paramblypterus, see list below). The allocation of other species to Palaeoniscum (see list below) is often doubtful and mostly based on superficial resemblance with P. freieslebeni. Palaeoniscum is the name giving taxon of the extinct Palaeonisciformes (or Palaeoniscoidei), a polyphyletic group comprising several superficially similar looking but not closely related early actinopterygian taxa. Palaeonisciformes is considered a wastebasket taxon by modern taxonomic standards. (en)
- Il paleonisco (gen. Palaeoniscum) è un pesce osseo estinto, appartenente ai paleonisciformi. Visse nel Permiano (circa 280 – 250 milioni di anni fa) e i suoi resti sono stati ritrovati in Europa e in Nordamerica. (it)
- Palaeoniscum is een uitgestorven geslacht van straalvinnige vissen die leefden in het Perm. Er zijn ten minste drie soorten in het geslacht benoemd. (nl)
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