Xiphosura (/zɪfoʊˈsjʊərə/; from Ancient Greek ξίφος (xíphos) 'sword' and οὐρά (ourá) 'tail', in reference to its sword-like telson) is an order of arthropods...
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scorpions) and the extant Xiphosura (horseshoe crabs). The term was originally used by James Dwight Dana to refer to Xiphosura only, but was emended by...
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Limulus (redirect from Xiphosura (genus))
Chelicerata Order: Xiphosura Family: Limulidae Genus: Limulus O. F. Müller, 1785 Type species Monoculus polyphemus Linnaeus, 1758 Synonyms Xiphosura...
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appendages form spinnerets that extrude silk, while those of horseshoe crabs (Xiphosura) form gills. Like all arthropods, chelicerates' bodies and appendages...
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Atlantic horseshoe crab (redirect from Xiphosura americana)
include Limulus cyclops, Xiphosura americana, and Polyphemus occidentalis. It is the tail that earns this order its name Xiphosura, which derives from the...
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Horseshoe crab (category Xiphosura)
the Cretaceous. The Limulidae are the only extant family of the order Xiphosura and contains all four living species of horseshoe crabs: Carcinoscorpius...
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identified as the group labelled "Euchelicerata".) A 2019 analysis nests Xiphosura deeply within Arachnida. Discovering relationships within the arachnids...
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Dibasterium † Offacolidae † Prosomapoda "Synziphosurina" (paraphyletic) Xiphosura Dekatriata Chasmataspidida † Houia † Winneshiekia † Eurypterida † Arachnida...
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Prosomapoda is a clade of euchelicerates including the groups Xiphosura (horseshoe crabs) and Planaterga (a group comprising bunodids, pseudoniscids,...
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The largest animal currently alive is the blue whale. The maximum recorded weight was 190 tonnes for a specimen measuring 27.6 metres (91 ft), whereas...
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worms) Sipuncula (peanut worms) Arachnida (spiders, scorpions, and kin) Xiphosura (horseshoe crabs) Pycnogonida (sea spiders) Branchiopoda (fairy shrimp...
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The Solnhofen Limestone or Solnhofen Plattenkalk is a collective term for multiple Late Jurassic lithographic limestones in southeastern Germany, which...
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Mikulic, DG; Kluessendorf, J (2005). "A new synziphosurine (Chelicerata: Xiphosura) from the Late Llandovery (Silurian) Waukesha Lagerstatte, Wisconsin,...
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and the Opiliones, as well as in non-arachnid Chelicerata such as the Xiphosura and Eurypterida. The chelifores of the Pycnogonida may be homologous to...
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Mangrove horseshoe crab (category Xiphosura)
crab species, Tachypleus tridentatus and Carcinoscorpius rotundicauda (Xiphosura), in Hong Kong with a regional Asian comparison". Journal of Natural History...
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El Mers Group (section Xiphosura)
The El Mers Group is a geological group in the Middle Atlas of Morocco. It is subdivided into three formations named the El Mers I, II, and III Formations...
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Shpinev; D. V. Vasilenko (2018). "First fossil xiphosuran (Chelicerata, Xiphosura) egg clutch from the Carboniferous of Khakassia". Paleontological Journal...
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Synziphosurina (category Xiphosura)
crabs (Xiphosura). It was later identified as a grade composed of various basal euchelicerates, eventually excluded from the monophyletic Xiphosura sensu...
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chelae in most of these groups may not be homologous with those found in Xiphosura. The pedipalps are distinctly raptorial (i.e., modified for seizing prey)...
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List of arthropod orders (section Class Xiphosura)
Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They...
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digging behaviour uprooting young rice seedlings. Notostraca Lepidurus Xiphosura Synziphosurina Trilobite Denton Belk (2007). "Branchiopoda". In Sol Felty...
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Liomesaspis (category Xiphosura)
Matters by Donald R. Prothero and Carl Buell Bringing Fossils To Life: An Introduction To Paleobiology by Donald R. Prothero Xiphosura at Palaeos.com v t e...
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Long Island Sound is a large marine estuary in the Northeastern United States. It forms the maritime border between New York's Long Island and Connecticut...
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systematics of Palaeozoic 'horseshoe crabs' and the myth of monophyletic Xiphosura". Zoological Journal of the Linnean Society. 167 (1): 1–27. doi:10.1111/j...
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Tachypleus tridentatus (category Xiphosura)
Ballesteros, Jesús A. (2019). "A Critical Appraisal of the Placement of Xiphosura (Chelicerata) with Account of Known Sources of Phylogenetic Error". Systematic...
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Chasmataspidida. Chasmataspidids are probably related to horseshoe crabs (Xiphosura) and/or sea scorpions (Eurypterida), with more recent studies suggest...
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is also a fan-shaped structure on the fifth legs of horseshoe crabs (Xiphosura). Flabella were in use in both pagan rituals and in the Christian Church...
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(2019-11-01). Halanych, Ken (ed.). "A Critical Appraisal of the Placement of Xiphosura (Chelicerata) with Account of Known Sources of Phylogenetic Error". Systematic...
63 KB (7,010 words) - 18:41, 4 August 2024