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...
- 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...
- monograph by Hansen & Soerensen. These authors recognised a group called "Arachnida micrura", comprising spiders, whip spiders, whip scorpions and ricinuleids...
- 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...
- Retrieved 24 August 2023. R. I. Pocok (1900). Fauna of British India. Arachnida. McMonigle, Orin (2013). Breeding the world's largest living arachnid:...
- The abdomen (colloquially called the belly, tummy, midriff, tucky, or stomach[citation needed]) is the front part of the torso between the thorax (chest)...
- Eurypterida and Arachnida. Other recent analyses support the monophyly of this group. The Xiphosura are estimated to have diverged from the Arachnida 480 million...
- 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...
- Arachnology in South America, publishing 198 papers on the taxonomy of Arachnida. He was also involved with education, writing high-school textbooks, and...