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Belemnoidea

Belemnoids are an extinct group of marine cephalopod, very similar in many ways to the modern squid. Like them, the belemnoids possessed an ink sac, but, unlike the squid, they possessed ten arms of roughly equal length, and no tentacles. The name "belemnoid" comes from the Ancient Greek word βέλεμνον (bélemnon), meaning "dart, arrow", and είδος (eídos)…

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Belemnoidea

Nodes86
Edges85
Triples12
Avg. degree1.98
Density0.023256
Components1

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Belemnoidea

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related to Classification · 10
Belemnoidea → BelemnitellidaeFamily BelemnopseidaeFamily DicoelitidaeFamily DimitobelidaeFamily, BelemnitidaSuborder BelemnitinaFamily CylindroteuthidaeFamily HastitidaeFamily, Clade BelemnoideaBasal, DictyoconitidaeFamily HematitidaeFamily PalaeobelemnopseidaeFamily XiphoteuthidaeOrder, DuvaliidaeSuborder BelemnotheutinaFamily BelemnotheutidaeFamily ChitinobelidaeFamily, JeletzkyaGenus BelemnotheutisOrder AulacoceridaFamily AulacoceratidaeFamily, Note, OxyteuthidaeFamily PassaloteuthidaeFamily SalpingoteuthidaeSuborder BelemnopseinaFamily, PhragmoteuthidaFamily PhragmoteuthidaeFamily Rhiphaeoteuthidae, SueviteuthidaeOrder DiplobelidaFamily ChondroteuthidaeFamily DiplobelidaeOrder

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Important terminology

belemnoids guard belemnoid phragmocone found cretaceous calcite arms squid belemnitida belemnites cephalopods aragonite marine aulacocerida phragmoteuthida diplobelida guards fossil creature

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ichthyosaursinstance ofbelemnites appear to have formed part of the diet of marine reptiles0.80text
whose fossilized stomachs frequently contain phosphatic hooks from the arms of cephalopodsinstance ofbelemnites appear to have formed part of the diet of marine reptiles0.80text
Belemnoidearelated to ClassificationNote0.60section
Belemnoidearelated to ClassificationClade BelemnoideaBasal0.60section
Belemnoidearelated to ClassificationJeletzkyaGenus BelemnotheutisOrder AulacoceridaFamily AulacoceratidaeFamily0.60section
Belemnoidearelated to ClassificationDictyoconitidaeFamily HematitidaeFamily PalaeobelemnopseidaeFamily XiphoteuthidaeOrder0.60section
Belemnoidearelated to ClassificationBelemnitidaSuborder BelemnitinaFamily CylindroteuthidaeFamily HastitidaeFamily0.60section
Belemnoidearelated to ClassificationOxyteuthidaeFamily PassaloteuthidaeFamily SalpingoteuthidaeSuborder BelemnopseinaFamily0.60section
Belemnoidearelated to ClassificationBelemnitellidaeFamily BelemnopseidaeFamily DicoelitidaeFamily DimitobelidaeFamily0.60section
Belemnoidearelated to ClassificationDuvaliidaeSuborder BelemnotheutinaFamily BelemnotheutidaeFamily ChitinobelidaeFamily0.60section
Belemnoidearelated to ClassificationSueviteuthidaeOrder DiplobelidaFamily ChondroteuthidaeFamily DiplobelidaeOrder0.60section
Belemnoidearelated to ClassificationPhragmoteuthidaFamily PhragmoteuthidaeFamily Rhiphaeoteuthidae0.60section

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