- cyrtoconic
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adj. [Gr. kyrtos, curved; konos, cone]Cone-shaped.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
Nautilida — Temporal range: Devonian–Recent … Wikipedia
Endocerid — Taxobox name = Endocerid fossil range = Ordovician ?Silurian regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Endocerida subdivision ranks = families subdivision = dagger; Proterocameroceratidae dagger;… … Wikipedia
Piloceratidae — Taxobox name = Piloceratidae fossil range = Ordovician regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Endocerida familia = Piloceratidae subdivision ranks = genus subdivision = * dagger; Allopiloceras *… … Wikipedia
Oncocerida — Temporal range: Middle Ordovician–Lower Carboniferous … Wikipedia
Clarkoceras — Temporal range: Late Cambrian– Early Ordovician … Wikipedia
Cyrtonybyoceras — Temporal range: eM Ordovician Scientific classification Kingdom: Animalia Phylum: Mollusca Class … Wikipedia
cone-shaped — see cyrtoconic … Dictionary of invertebrate zoology
Centroceratidae — Temporal range: M Devonian L Permian Scientific classification Kingdom: Animalia Phylum: Mollusca Class … Wikipedia
Centroonoceras — Temporal range: M. Ordovician Scientific classification Class: Cephalopoda Subclass: Nautiloidea Superorder … Wikipedia
Endocerida — Temporal range: Floian–Hirnantian[1][2] … Wikipedia