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Ammonoidea

Ammonoids are extinct, typically coiled-shelled cephalopods composing the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which compose the clade Coleoidea) than they are to nautiluses (family Nautilidae), which they resemble. The earliest ammonoids appeared during the Emsian stage of the Early Devonian…

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Overview

Etymology

Classification

Evolutionary history

Description

Soft tissue

Paleobiology

Paleoecology

Cultural significance

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Ammonoidea

Nodes161
Edges160
Triples35
Avg. degree1.99
Density0.012422
Components1

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Ammonoidea

Top relations

related to Taxonomy of the Treatise on Invertebrate Paleontology · 16
Ammonoidea → Ammonitina, Anarcestina, Ceratitina, Clymeniina, Cretaceous, Goniatitina, In, Invertebrate Paleontology, Jurassic, Lytoceratina, Paleozoic, Part, Phylloceratina, Prolecanitina, The Treatise, Triassic
related to Orders and suborders · 13
Ammonoidea → Agoniatitida, Lower Devonian, Lower Jurassic, Lower Paleocene, Middle Devonian, Middle DevonianClymeniida, The Ammonoidea, Upper Devonian, Upper DevonianGoniatitida, Upper Permian, Upper PermianProlecanitida, Upper TriassicAmmonitida, Upper TriassicCeratitida
related to Septa and suture patterns · 4
Ammonoidea → Ammonites, Ammonoid, The, While

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Important terminology

ammonites ammonoids shell ammonite cretaceous shells found species jurassic extinction many septa siphuncle suture involute devonian part fossils nautiloids nautilus

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Solnhofen Limestoneinstance oflargely unique among ammonitesAlthough ammonites do occur in exceptional lagerstatten0.80text
their soft-part record is surprisingly sparseinstance oflargely unique among ammonitesAlthough ammonites do occur in exceptional lagerstatten0.80text
Ammonoidearelated to Orders and subordersThe Ammonoidea0.60section
Ammonoidearelated to Orders and subordersAgoniatitida0.60section
Ammonoidearelated to Orders and subordersLower Devonian0.60section
Ammonoidearelated to Orders and subordersMiddle DevonianClymeniida0.60section
Ammonoidearelated to Orders and subordersUpper DevonianGoniatitida0.60section
Ammonoidearelated to Orders and subordersMiddle Devonian0.60section
Ammonoidearelated to Orders and subordersUpper PermianProlecanitida0.60section
Ammonoidearelated to Orders and subordersUpper Devonian0.60section
Ammonoidearelated to Orders and subordersUpper TriassicCeratitida0.60section
Ammonoidearelated to Orders and subordersUpper Permian0.60section

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