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About: Turnoceras

An Entity of Type: animal, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org

Turnoceras is a genus of Devonian cephalopods belonging to the oncocerid family Nothoceratidae. Its shell is broadly expanding and exogastrically curved such that the flattened dorsum is on longitudinally concave side. Aperture unconstricted with no for the water jet funnel. siphuncle along the outer, ventral, side, with radial, plate-like deposits occupying the interior. Conostichoceras is similar externally, but has a siphuncle with a trapezoidal aspect to its siphuncle segments. Perimecoceras has similar concave siphuncle segments but is tubular in form.

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  • Turnoceras is a genus of Devonian cephalopods belonging to the oncocerid family Nothoceratidae. Its shell is broadly expanding and exogastrically curved such that the flattened dorsum is on longitudinally concave side. Aperture unconstricted with no for the water jet funnel. siphuncle along the outer, ventral, side, with radial, plate-like deposits occupying the interior. Conostichoceras is similar externally, but has a siphuncle with a trapezoidal aspect to its siphuncle segments. Perimecoceras has similar concave siphuncle segments but is tubular in form. (en)
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  • 24010394 (xsd:integer)
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  • 1532 (xsd:nonNegativeInteger)
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  • 962029701 (xsd:integer)
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  • Cephalopoda (en)
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  • Turnoceras (en)
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  • Foeste, 1926 (en)
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  • Animalia (en)
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  • Turnoceras is a genus of Devonian cephalopods belonging to the oncocerid family Nothoceratidae. Its shell is broadly expanding and exogastrically curved such that the flattened dorsum is on longitudinally concave side. Aperture unconstricted with no for the water jet funnel. siphuncle along the outer, ventral, side, with radial, plate-like deposits occupying the interior. Conostichoceras is similar externally, but has a siphuncle with a trapezoidal aspect to its siphuncle segments. Perimecoceras has similar concave siphuncle segments but is tubular in form. (en)
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  • Turnoceras (en)
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