About: Gryponautilus

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Gryponautilus is a genus of Upper Triassic nautilids (generally coiled nautiloid cephalopods) belonging to the trigonoceratacean family Grypoceratidae, characterized by involute, inflated shells, which at maturity develop narrowly rounded keel-like venters. Venters on inner whorls are truncated and broadly convex to concave. Immature forms bear a resemblance to Grypoceras.

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  • Gryponautilus is a genus of Upper Triassic nautilids (generally coiled nautiloid cephalopods) belonging to the trigonoceratacean family Grypoceratidae, characterized by involute, inflated shells, which at maturity develop narrowly rounded keel-like venters. Venters on inner whorls are truncated and broadly convex to concave. Immature forms bear a resemblance to Grypoceras. (en)
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  • 1048 (xsd:nonNegativeInteger)
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  • 1020409955 (xsd:integer)
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  • Mojsisovics, 1902 (en)
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  • Late Triassic (en)
dbp:taxon
  • Gryponautilus (en)
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  • Gryponautilus is a genus of Upper Triassic nautilids (generally coiled nautiloid cephalopods) belonging to the trigonoceratacean family Grypoceratidae, characterized by involute, inflated shells, which at maturity develop narrowly rounded keel-like venters. Venters on inner whorls are truncated and broadly convex to concave. Immature forms bear a resemblance to Grypoceras. (en)
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  • Gryponautilus (en)
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