exogastric
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Ellesmerocerida — Taxobox name = Ellesmerocerida fossil range = U Cambrian Ordovician regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Ellesmerocerida ordo authority = Flower 1950 The Ellesmerocerida comprise early… … Wikipedia
Plectronocerida — The primitive and ancestral Plectronoceratidae are included in the suborder, Plectronoceratina (Flower, R.H. 1964) of the Ellesmerocerida, but sometimes included in a separate order known as the Plectronocerida.The Plectronoceratina are known… … Wikipedia
Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] … Wikipedia
Conostichoceras — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Mandaloceratidae — Temporal range: M ?U Silurian Scientific classification Kingdom: Animalia Phylum: Mollusca Class … Wikipedia
Discosorida — Temporal range … Wikipedia
Discosorus — Temporal range: M Silurian Scientific classification Kingdom: Animalia Phylum: Mollusca Class … Wikipedia
Bathmoceras — Taxobox fossil range = Middle and Late Ordovician name = Bathmoceras regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Ellesmerocerida familia = Bathmoceratidae genus = Bathmoceras genus authority =… … Wikipedia
Tarphycerida — Taxobox name = Ellesmerocerida fossil range = L Ordovician Devonian regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Nautiloidea ordo = Tarphycerida ordo authority = Flower 1950 The Tarphycerida were the first of the coiled… … Wikipedia
Cyrtonybyoceras — Temporal range: eM Ordovician Scientific classification Kingdom: Animalia Phylum: Mollusca Class … Wikipedia
