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Pterichthyodes is a genus of antiarch placoderm fishes from the Devonian period. Its fossils have been discovered in Scotland. They were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century. Due to their extreme divergence from modern-day fish, they were a puzzle unsolved until Charles Darwin brought forward his theories on evolution. Pterichthyodes would have fed by browsing shallower areas of the lake bed for decaying detritus.

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  • Pterichthyodes és un gènere de peixos placoderms del període Devonià. Presenten una extrema divergència amb els peixos moderns. Els seus fòssils són comuns en la formació britànica d'Old Xarxa Sandstone, la qual és estudiada per geòlegs des del principi dels anys 1800. (ca)
  • Pterichthyodes es un género de peces placodermos antiarcos del período Devónico.​ Presentan una extrema divergencia con los peces modernos. Sus fósiles se han hallado en Escocia.​ Fue una de las primeras especies fósiles reconocida como tales, ya que sus restos son comunes en la formación Old Red Sandstone que ha sido estudiada por los geólogos desde principios del siglo XIX. Debido a sus grandes divergencias con respecto a los peces modernos, fueron un enigma sin resolver hasta que Charles Darwin divulgó sus teorías sobre la evolución. (es)
  • Pterichthyodes is a genus of antiarch placoderm fishes from the Devonian period. Its fossils have been discovered in Scotland. They were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century. Due to their extreme divergence from modern-day fish, they were a puzzle unsolved until Charles Darwin brought forward his theories on evolution. As with all other antiarchs, Pterichthyodes had heavily armored heads and forebodies, while their scaly tails were unarmored. Specimen length ranges from 8 inches (20 cm) to 12 inches (30 cm). As placoderms, they were members of the earliest known vertebrates to possess jaws, though they had grinding plates rather than teeth. The generic name of Pterichthyodes refers directly to their odd wing-like appendages ("pterichthys" being a compound word from Ancient Greek for "wing-fish"), which correspond to and were derived from the pectoral fins seen in modern fish and other non-antiarch placoderms. Fossils of Pterichtyodes showing eyes positioned on the direct of the head and a "ventrally flattened trunk shield" suggest that it was a "bottom dweller", living at the bottom of lakes, where it might have crawled using its pectoral appendages. It has also been theorized that Pterichthyodes and other antiarchs used these appendages to bury itself. Pterichthyodes would have fed by browsing shallower areas of the lake bed for decaying detritus. (en)
  • Lo pterittiode (gen. Pterichthyodes) è un vertebrato estinto, appartenente alla classe dei placodermi, vissuto nel Devoniano medio (circa 450 milioni di anni fa). (it)
  • Pterichthyodes est un genre éteint de poissons antiarches datant du Dévonien.Ses fossiles ont été découverts en Écosse. Il est le plus basal des Gnathostomata (vertébrés pourvus d'une mâchoire), encore plus primitif que Brindabellaspis.[réf. nécessaire] (fr)
  • Pterichthyodes is een uitgestorven geslacht van pantservissen, dat leefde in het Midden-Devoon. (nl)
  • Pterichthyodes — рід антиархових панцирних риб з девонського періоду. Його скам'янілості були виявлені в Шотландії.Pterichthyodes мали бронювану голову і передню частину тіла, а їхні хвостові кінці були відкриті. Довжина зразків від 20 см до 30 см. (uk)
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dbp:authority
  • Bleeker, 1859 (en)
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  • Pterichthyodes milleri fossil on display at the University of Michigan Exhibit Museum of Natural History (en)
dbp:parentAuthority
  • Stensiö, 1948 (en)
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  • Pterichthyodes finds map.png (en)
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  • A map of the United Kingdom area, with Scotland colored (en)
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  • †Pterichthys (en)
dbp:taxon
  • Pterichthyodes (en)
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  • †Pterichthyodes milleri (en)
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  • Pterichthyodes és un gènere de peixos placoderms del període Devonià. Presenten una extrema divergència amb els peixos moderns. Els seus fòssils són comuns en la formació britànica d'Old Xarxa Sandstone, la qual és estudiada per geòlegs des del principi dels anys 1800. (ca)
  • Pterichthyodes es un género de peces placodermos antiarcos del período Devónico.​ Presentan una extrema divergencia con los peces modernos. Sus fósiles se han hallado en Escocia.​ Fue una de las primeras especies fósiles reconocida como tales, ya que sus restos son comunes en la formación Old Red Sandstone que ha sido estudiada por los geólogos desde principios del siglo XIX. Debido a sus grandes divergencias con respecto a los peces modernos, fueron un enigma sin resolver hasta que Charles Darwin divulgó sus teorías sobre la evolución. (es)
  • Lo pterittiode (gen. Pterichthyodes) è un vertebrato estinto, appartenente alla classe dei placodermi, vissuto nel Devoniano medio (circa 450 milioni di anni fa). (it)
  • Pterichthyodes est un genre éteint de poissons antiarches datant du Dévonien.Ses fossiles ont été découverts en Écosse. Il est le plus basal des Gnathostomata (vertébrés pourvus d'une mâchoire), encore plus primitif que Brindabellaspis.[réf. nécessaire] (fr)
  • Pterichthyodes is een uitgestorven geslacht van pantservissen, dat leefde in het Midden-Devoon. (nl)
  • Pterichthyodes — рід антиархових панцирних риб з девонського періоду. Його скам'янілості були виявлені в Шотландії.Pterichthyodes мали бронювану голову і передню частину тіла, а їхні хвостові кінці були відкриті. Довжина зразків від 20 см до 30 см. (uk)
  • Pterichthyodes is a genus of antiarch placoderm fishes from the Devonian period. Its fossils have been discovered in Scotland. They were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century. Due to their extreme divergence from modern-day fish, they were a puzzle unsolved until Charles Darwin brought forward his theories on evolution. Pterichthyodes would have fed by browsing shallower areas of the lake bed for decaying detritus. (en)
rdfs:label
  • Pterichthyodes (ca)
  • Pterichthyodes (es)
  • Pterichthyodes (it)
  • Pterichthyodes (fr)
  • Pterichthyodes (nl)
  • Pterichthyodes (en)
  • Pterichthyodes (uk)
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