Definition of Chasmataspidida. Meaning of Chasmataspidida. Synonyms of Chasmataspidida

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Definition of Chasmataspidida

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Meaning of Chasmataspidida from wikipedia

- are a group of extinct chelicerate arthropods that form the order Chasmataspidida. Chasmataspidids are probably related to horseshoe crabs (Xiphosura)...
- clade of planatergan chelicerates including the groups Arachnida, Chasmataspidida, Eurypterida and additionally two stem-genera Winneshiekia and Houia...
- † Prosomapoda "Synziphosurina" (paraphyletic) Xiphosura Dekatriata Chasmataspidida † Houia † Winneshiekia † Eurypterida † Arachnida Phosphatocopina (possible...
- †Chasmataspidida Sclerophorata...
- separate classes: Aglaspida Walcott, 1911 (Cambrian to Ordovician) Chasmataspidida Caster & Brooks, 1956 (Lower Ordovician) Cladogram after Lasmdell 2020...
- (horseshoe crabs) and Eurypterida (sea scorpions, extinct). The extinct Chasmataspidida may be a sub-group within Eurypterida. The Pycnogonida (sea spiders)...
- †Chasmataspidida   Sclerophorata  ...
- †Cheloniellida Subphylum Chelicerata class Xiphosura class †Eurypterida class †Chasmataspidida class Pycnogonida (?) class Arachnida Clade Mandibulata Order †Euthycarcinoidea...
- Lagerstätte (Michigan) reveals an unexpected ecological diversity within Chasmataspidida". BMC Evolutionary Biology. 19 (1): 8. doi:10.1186/s12862-018-1329-4...
- Ichnogenera Arcuites Merostomichnites Palmichnium Related groups Arachnida Chasmataspidida Xiphosura Related articles Metastoma Timeline of eurypterid research...