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Tarphycerida

The Tarphycerida were the first of the coiled cephalopods, found in marine sediments from the Lower Ordovician (middle and upper Canad) to the Middle Devonian. Some, such as Aphetoceras and Estonioceras, are loosely coiled and gyroconic; others, such as Campbelloceras, Tarphyceras, and Trocholites, are tightly coiled, but evolute with all whorls showing.…

Composition and taxonomy, Broader relationships & Overview

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Composition and taxonomy

EstonioceratidaeCentrotarphycerasTrocholitidaeBarrandeoceratidaeBickmoritidae
11 related topics

Broader relationships

OncoceridaNautilidaNautilusAllonautilusDiscosorida
9 related topics

Overview

CephalopodsOrdovicianCanadianDevonianAphetoceras
13 related topics

Tarphycerid biology

Coleoids
1 related topics

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Overview

Composition and taxonomy

Broader relationships

Tarphycerid biology

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Map overview Semantic statistics

Tarphycerida

Nodes39
Edges38
Triples37
Avg. degree1.95
Density0.051282
Components1

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Tarphycerida

Top relations

related to Composition and taxonomy · 22
Tarphycerida → Apsidoceratidae, Barrandeoceratidae, Bassleroceratidae, Bickmoritidae, Campbelloceras, Centrotarphyceras, Estonioceratidae, Flower, Invertebrate Paleontology Part, Lechritrochoceratidae, Nephriticeratidae, Ophidioceratidae, Plectoceratidae, Tarphyceratidae, The, The Estonioceratidae, The Ophidioceratidae, The Tarphycerida, They, Treatise
related to Broader relationships · 15
Tarphycerida → Actinocerida, Allonautilus, Ammonoidea, Bassleroceratidae, Discosorida, Endocerida, It, Lower Ordovician, Nautilida, Nautilus, Oncocerida, Orthocerida, Tarphycerids, The Oncocerida, This

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Important terminology

forms coiled aphetoceras found tarphycerids probably ophidioceratidae bassleroceratidae trocholites like middle gyroconic evolute campbelloceras cephalopods ordovician first lower elongated close

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Tarphyceridarelated to Broader relationshipsTarphycerids0.60section
Tarphyceridarelated to Broader relationshipsOncocerida0.60section
Tarphyceridarelated to Broader relationshipsBassleroceratidae0.60section
Tarphyceridarelated to Broader relationshipsLower Ordovician0.60section
Tarphyceridarelated to Broader relationshipsThe Oncocerida0.60section
Tarphyceridarelated to Broader relationshipsNautilida0.60section
Tarphyceridarelated to Broader relationshipsNautilus0.60section
Tarphyceridarelated to Broader relationshipsAllonautilus0.60section
Tarphyceridarelated to Broader relationshipsThis0.60section
Tarphyceridarelated to Broader relationshipsIt0.60section
Tarphyceridarelated to Broader relationshipsDiscosorida0.60section
Tarphyceridarelated to Broader relationshipsActinocerida0.60section

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