Gonioceras
Gonioceras is an extinct genus of actinocerid nautiloidean cephalopods typified by a broad, low shell; flattened ventrally, convexly rounded dorsally; top and bottom meeting at an acute angle along the sides. In most the shell is rather thin, especially along the lateral portion. The aperture is contracted. Sutures from broad ventral and dorsal lobes, more narrowly rounded ventro-lateral and dorso-lateral saddles, and sharp pointed lateral lobes; more complex than in later Lambeoceras. The siphuncle is typically subcentral but may be closer to the venter; armenocerid in form with short segments and very short brims and containing a straight endosiphuncular canal system.
ActinocerasActinoceridaArmenoceratidaeHoelocerasLambeocerasList of prehistoric nautiloid generaList of the Paleozoic life of Georgia (U.S. state)List of the Paleozoic life of MinnesotaList of the Paleozoic life of New York (state)List of the Paleozoic life of TennesseeList of the Paleozoic life of VirginiaList of the prehistoric life of Georgia (U.S. state)List of the prehistoric life of MinnesotaList of the prehistoric life of New York (state)List of the prehistoric life of TennesseeList of the prehistoric life of VermontList of the prehistoric life of VirginiaWutinoceras
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Gonioceras
Gonioceras is an extinct genus of actinocerid nautiloidean cephalopods typified by a broad, low shell; flattened ventrally, convexly rounded dorsally; top and bottom meeting at an acute angle along the sides. In most the shell is rather thin, especially along the lateral portion. The aperture is contracted. Sutures from broad ventral and dorsal lobes, more narrowly rounded ventro-lateral and dorso-lateral saddles, and sharp pointed lateral lobes; more complex than in later Lambeoceras. The siphuncle is typically subcentral but may be closer to the venter; armenocerid in form with short segments and very short brims and containing a straight endosiphuncular canal system.
has abstract
Gonioceras is an extinct genus ...... animal was a benthic organism.
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Gonioceras — викопний рід голо ...... ені у США, Канаді та Норвегії.
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Wikipage page ID
18,433,979
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1,010,379,557
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authority
Hall, 1847
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fossil range
Middle Ordovician
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taxon
Gonioceras
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wikiPageUsesTemplate
subject
type
comment
Gonioceras is an extinct genus ...... endosiphuncular canal system.
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Gonioceras — викопний рід голо ...... ені у США, Канаді та Норвегії.
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label
Gonioceras
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Gonioceras
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