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serpenticone
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serpenticone
serpenticone Palæont. (sɜːˈpɛntɪkəʊn) [f. serpenti-, comb. form of serpent n. (see -i-) + cone n.1] An ammonoid in which the whorls are slender and overlap very little, so that the shell resembles a coiled snake.1923 H. H. Swinnerton Outl. Palæont. x. 214 The forms assumed by these derivatives [of c...
Oxford English Dictionary
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Bettoniceras
Description
Ammonites of this genus had serpenticone planulate shells with mostly single ribs and no tubercules. Whorl section was round.
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sphæro-
sphæro- (ˈsfɪərəʊ) ad. Gr. σϕαιρο-, combining form of σϕαῖρα ball, sphere, employed in a considerable number of terms, esp. Bot. and Zool., of which only a few are naturalized in form or have any general currency. ˈsphæroblast Bot. (see quot.); sphæroˈcobaltite Min., ‘carbonate of cobalt, found in s...
Oxford English Dictionary
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Reynesocoeloceratinae
Description
Ammonites with depressed, cadicone, or even evolute, serpenticone shells. Tubercules might be present.
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Psiloceratoidea
Shell is planulate, or serpenticone. Sutures were often asymmetrical and in some genera, saddles were phylloid. Echioceratidae - Serpenticone shells with keel, that can be surrounded by grooves in the case of densely ribbed, compressed species.
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Ammonoidea
Serpenticone – Strongly evolute and fairly narrow (discoidal) in width. Serpenticone ammonites resemble coiled snakes and are abundant in the Jurassic rocks of Europe.
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2022 in paleomalacology
data obtained from tests of 3D-printed, biomimetic robots representing the oxycone morphology (based on Sphenodiscus lobatus and S. lenticularis), the serpenticone
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