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Chelicerata

The subphylum Chelicerata (from Neo-Latin, from French chélicère, from Ancient Greek χηλή (khēlḗ) 'claw, chela' and κέρας (kéras) 'horn') constitutes one of the two major living subdivisions of the phylum Arthropoda, alongside Mandibulata. Chelicerates include the sea spiders, horseshoe crabs, and arachnids (including harvestmen, scorpions, spiders…

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Chelicerata

Nodes222
Edges221
Triples51
Avg. degree1.99
Density0.009009
Components1

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Chelicerata

Top relations

related to Major sub-groups · 13
Chelicerata → An, Arachnida, Chasmataspidida, DNA, Eurypterida, However, In, It, POY, Tetrapulmonata, The, The Pycnogonida, Xiphosura
related to Fossil record · 12
Chelicerata → Cambrian, Early Ordovician, It, Mandibulata, Megachelicerax, Ordovician, The, These, Tremadocian, True, Urokodia, Xiphosura
related to Relationships with other arthropods · 8
Chelicerata → Cladogram, DNA, However, Liu, Recent, RNA, The, Tracheata
related to Segmentation and cuticle · 8
Chelicerata → Acari, Chelicerates, However, In, It, Somite, The, The Chelicerata

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Important terminology

chelicerates spiders scorpions species horseshoe arthropods mites crabs chelicerae group living also pedipalps use blood spider arachnids two eurypterids groups

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
scorpioninstance ofIn some taxa0.80text
eurypterid the opisthosoma is divided into two groupsinstance ofIn some taxa0.80text
mesosomainstance ofIn some taxa0.80text
metasomainstance ofIn some taxa0.80text
trilobites results in a swing back to theinstance ofanalysis including extinct arthropods0.80text
chelicerates evolved.Howeverinstance ofbut some features suggest they may be representatives of the earliest arthropods from which the well-known groups0.80text
the structure ofinstance ofbut some features suggest they may be representatives of the earliest arthropods from which the well-known groups0.80text
the Late Silurian Proscorpius have been classified by paleontologists as scorpionsinstance ofSome early fossils0.80text
but described as wholly aquatic as they had gills rather than book lungs or tracheaeinstance ofSome early fossils0.80text
rodents may infest humans if their normal hosts are eliminatedinstance ofSpecies that normally infest other animals0.80text
Cheliceratarelated to Fossil recordThe0.60section
Cheliceratarelated to Fossil recordMandibulata0.60section

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