Definition of Arachnida. Meaning of Arachnida. Synonyms of Arachnida

Here you will find one or more explanations in English for the word Arachnida. Also in the bottom left of the page several parts of wikipedia pages related to the word Arachnida and, of course, Arachnida synonyms and on the right images related to the word Arachnida.

Definition of Arachnida

Arachnida
Arachnida A*rach"ni*da, n. pl. [NL., fr. Gr. ? spider.] (Zo["o]l.) One of the classes of Arthropoda. See Illustration in Appendix. Note: They have four pairs of legs, no antenn[ae] nor wings, a pair of mandibles, and one pair of maxill[ae] or palpi. The head is usually consolidated with the thorax. The respiration is either by tranche[ae] or by pulmonary sacs, or by both. The class includes three principal orders: Araneina, or spiders; Arthrogastra, including scorpions, etc.; and Acarina, or mites and ticks.

Meaning of Arachnida from wikipedia

- Arachnids are arthropods in the class Arachnida (/əˈræknɪdə/) of the subphylum Chelicerata. Arachnida includes, among others, spiders, scorpions, ticks...
- Solifugae is an order of animals in the class Arachnida known variously as camel spiders, wind scorpions, sun spiders, or solifuges. The order includes...
- changed little since that time. Their phylogenetic position within the Arachnida is disputed; their closest relatives may be camel spiders (Solifugae)...
- The **** of the Opiliones (harvestmen) is an intromittent organ that is not present in other arachnids. It consists of a long shaft (the truncus) and...
- another for the purpose of transport. Pseudoscorpions belong to the class Arachnida. They are small arachnids with a flat, pear-shaped body, and pincer-like...
- monograph by Hansen & Soerensen. These authors recognised a group called "Arachnida micrura", comprising spiders, whip spiders, whip scorpions and ricinuleids...
- This article contains a list of extinct species from the class Arachnida, with the year and location that they were last recorded. There are currently...
- (Arachnida: Araneae). Acta zoologica bulgarica, vol. 63, No. 2, p. 125-144 (texte intégral). Weiss & Petrisor, 1999 : List of the spiders (Arachnida:...
- Eurypterida and Arachnida. Other recent analyses support the monophyly of this group. The Xiphosura are estimated to have diverged from the Arachnida 480 million...
- Mexico". ArachnidaRivista Aracnologica Italiana. 20: 2–12. Yu. M. Marusik; E. E. Perkovsky; K. Yu. Eskov (2018). "First records of spiders (Arachnida: Aranei)...