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Branchiosauridae is an extinct family of small amphibamiform temnospondyls with external gills and an overall juvenile appearance. The family has been characterized by hundreds of well-preserved specimens from the Permo-Carboniferous of Middle Europe. Specimens represent well defined ontogenetic stages and thus the taxon has been described to display paedomorphy (perennibranchiate). However, more recent work has revealed branchiosaurid taxa that display metamorphosing trajectories. The name Branchiosauridae (“Branchio” in Ancient Greek denoting gills and “saurus” meaning lizard) refers to the retention of gills.

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  • Branchiosauridae (en)
  • Branchiosauridae (de)
  • Branchiosauridae (es)
  • Branchiosauridae (it)
  • Branchiosauridae (nl)
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  • Branchiosauridae is an extinct family of small amphibamiform temnospondyls with external gills and an overall juvenile appearance. The family has been characterized by hundreds of well-preserved specimens from the Permo-Carboniferous of Middle Europe. Specimens represent well defined ontogenetic stages and thus the taxon has been described to display paedomorphy (perennibranchiate). However, more recent work has revealed branchiosaurid taxa that display metamorphosing trajectories. The name Branchiosauridae (“Branchio” in Ancient Greek denoting gills and “saurus” meaning lizard) refers to the retention of gills. (en)
  • Branchiosauridae es un grupo extinto de temnospóndilos que vivieron desde finales del período Carbonífero hasta comienzos del período Pérmico, en lo que hoy es Europa. (es)
  • De Branchiosauridae zijn een familie van uitgestorven kleine Temnospondyli met uitwendige kieuwen en een algehele juveniele verschijning. De familie is bekend van honderden goed bewaarde exemplaren uit het Perm-Carboon van Midden-Europa. Deze specimina vertegenwoordigen een doorlopende groeireeks die aantoont dat het taxon pedomorfose vertoont, het behoud van jeugdkenmerken tot op een volwassen leeftijd. Recenter werk heeft echter branchiosauride taxa onthuld die metamorfoserende trajecten vertonen, dus waarin volwassen dieren de kieuwen verliezen. De naam Branchiosauridae is afgeleid van het Oudgrieks branchia, "kieuwen" en sauros wat onder andere "salamander" betekent. (nl)
  • I branchiosauridi (Branchiosauridae) sono una famiglia di anfibi temnospondili estinti, appartenenti ai dissorofoidi. Vissero tra il Carbonifero superiore e il Triassico inferiore (circa 310 - 250 milioni di anni fa) e i loro resti fossili sono stati ritrovati in Europa, Asia e Nordamerica. (it)
  • Die Branchiosauridae sind eine ausgestorbene Gruppe amphibienartiger Landwirbeltiere (Tetrapoda) aus der Gruppe der Temnospondyli. Sie gelten als Schwestergruppe der . Es waren kleine, fünf bis zehn Zentimeter lang werdende Tiere, deren Fossilien meist in Mitteleuropa gefunden wurden. Sie hatten einen Flossensaum auf der Ober- und Unterseite des Schwanzes, die Gelenke von Vorder- und Hinterfuß waren nicht verknöchert. Längere Zeit war die Branchiosauridae durch hunderte Funde ausschließlich junger Exemplare mit äußeren Kiemen bekannt, daher wurde obligate Neotenie angenommen. Funde anscheinend adulter Exemplare von Apateon mit vollständig verknöchertem Schädel lassen jedoch vermuten, dass zumindest einige Exemplare eine Metamorphose durchgingen, und eine teils landbewohnende Lebensweise ha (de)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Apateon_gracilis-Skeleton_on_Slab.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Branchiosaurus_amblystomus_Credner.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Branchiosaurus_gracilis_Credner_-_Smithsonian_Institution.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Branchiosaurus_salamandroides.jpg
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  • Fritsch, 1879. (en)
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  • Fossil of Branchiosaurus salamandroides in the Museo di Storia Naturale di Venezia (en)
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