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Hypsidoris (from Greek: ῠ̔́ψος hypsi, 'height' and Greek: δῶρις dôris 'dagger') is an extinct genus of catfish, classified within its own family Hypsidoridae, from the Eocene epoch of North America. Hypsidoris was about 20 centimetres (7.9 in) long, and looked similar to the modern catfish, also possessing sensitive barbels used to detect prey in murky waters. It also had a vibration-sensitive organ called the Weberian apparatus, which consisted of specialized vertebrae at the front of the spinal column which passed vibrations to the inner ear, using the swim bladder as a resonance chamber. For defense against predators, Hypsidoris had large spines at the front of each pectoral fin. Like modern catfish, it would probably have eaten smaller fish, along with crayfish and other bottom-dwellin

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  • Hypsidoris (en)
  • Hypsidoris (it)
  • Hypsidoris (nl)
  • Hypsidoridae (pl)
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  • Hypsidoris è un genere di pesci ossei estinti, appartenenti ai siluriformi. Visse nell'Eocene medio (circa 48 - 40 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Nordamerica. (it)
  • Hypsidoris is een geslacht van uitgestorven meervalachtigen die leefden in het Eoceen. Het is het enige geslacht in de familie Hypsidoridae. (nl)
  • Hypsidoris (from Greek: ῠ̔́ψος hypsi, 'height' and Greek: δῶρις dôris 'dagger') is an extinct genus of catfish, classified within its own family Hypsidoridae, from the Eocene epoch of North America. Hypsidoris was about 20 centimetres (7.9 in) long, and looked similar to the modern catfish, also possessing sensitive barbels used to detect prey in murky waters. It also had a vibration-sensitive organ called the Weberian apparatus, which consisted of specialized vertebrae at the front of the spinal column which passed vibrations to the inner ear, using the swim bladder as a resonance chamber. For defense against predators, Hypsidoris had large spines at the front of each pectoral fin. Like modern catfish, it would probably have eaten smaller fish, along with crayfish and other bottom-dwellin (en)
  • †Hypsidoris jest jedynym rodzajem ryb należącym do kopalnej rodziny †Hypsidoridae. Ryby te osiągały do 20 cm długości i wyglądały podobnie do współczesnych sumów. Posiadały typowe dla dzisiejszym sumowców wąsy oraz aparat Webera służący do odbierania drgań środowiska wodnego. Pierwsze promienie płetw piersiowych były przekształcone w duże kolce, służące najprawdopodobniej do biernej obrony przed drapieżnikami. Żywiły się prawdopodobnie, jak większość dzisiejszych sumów, mniejszymi rybami i innymi organizmami wodnymi żyjącymi na dnie zbiorników wodnych. (pl)
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  • Lundberg & Case, 1970 (en)
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  • Grande, 1987 (en)
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  • Species (en)
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  • Hypsidoris (en)
type species
  • Hypsidoris farsonensis (en)
type species authority
  • Lundberg & Case, 1970 (en)
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  • Hypsidoris (from Greek: ῠ̔́ψος hypsi, 'height' and Greek: δῶρις dôris 'dagger') is an extinct genus of catfish, classified within its own family Hypsidoridae, from the Eocene epoch of North America. Hypsidoris was about 20 centimetres (7.9 in) long, and looked similar to the modern catfish, also possessing sensitive barbels used to detect prey in murky waters. It also had a vibration-sensitive organ called the Weberian apparatus, which consisted of specialized vertebrae at the front of the spinal column which passed vibrations to the inner ear, using the swim bladder as a resonance chamber. For defense against predators, Hypsidoris had large spines at the front of each pectoral fin. Like modern catfish, it would probably have eaten smaller fish, along with crayfish and other bottom-dwelling creatures. There are two species. H. farsonensis is from the Early Middle Eocene of Wyoming and H. oregonensis is from the Middle Eocene of Oregon. (en)
  • Hypsidoris è un genere di pesci ossei estinti, appartenenti ai siluriformi. Visse nell'Eocene medio (circa 48 - 40 milioni di anni fa) e i suoi resti fossili sono stati ritrovati in Nordamerica. (it)
  • Hypsidoris is een geslacht van uitgestorven meervalachtigen die leefden in het Eoceen. Het is het enige geslacht in de familie Hypsidoridae. (nl)
  • †Hypsidoris jest jedynym rodzajem ryb należącym do kopalnej rodziny †Hypsidoridae. Ryby te osiągały do 20 cm długości i wyglądały podobnie do współczesnych sumów. Posiadały typowe dla dzisiejszym sumowców wąsy oraz aparat Webera służący do odbierania drgań środowiska wodnego. Pierwsze promienie płetw piersiowych były przekształcone w duże kolce, służące najprawdopodobniej do biernej obrony przed drapieżnikami. Żywiły się prawdopodobnie, jak większość dzisiejszych sumów, mniejszymi rybami i innymi organizmami wodnymi żyjącymi na dnie zbiorników wodnych. Opisano dwa gatunki sklasyfikowane jednym rodzaju. Są to: * Rodzaj † Lundberg & Case, 1970 * *† Lundberg & Case, 1970 – Wyoming, USA (wczesny – środkowy eocen) * † Grande & de Pinna, 1998 – Oregon, USA (środkowy eocen) (pl)
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