Definition of Class Arachnida

1. Noun. A large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings.

Class Arachnida Pictures

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Lexicographical Neighbors of Class Arachnida

clasping reflex
class-action suit
class Acrasiomycetes
class Actinozoa
class Amphibia
class Angiospermae
class Anthoceropsida
class Anthozoa
class Aphasmidia
class Arachnida (current term)
class Archiannelida
class Ascidiaceae
class Ascomycetes
class Asteroidea
class Bacillariophyceae
class Basidiomycetes
class Bivalvia
class Bryopsida
class Cephalopoda
class Cestoda
class Channidae
class Charophyceae
class Chilopoda
class Chlorophyceae

Literary usage of Class Arachnida

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Animal Kingdom Arranged in Conformity with Its Organization by Georges Cuvier, Edward Griffith, Charles Hamilton Smith, Edward Pidgeon, John Edward Gray, George Robert Gray (1833)
"SUPPLEMENT ON THE class Arachnida*. THE animals of this class, though approximating to the insects, and though always considered as such in popular language ..."

2. An Introduction to Entomology by John Henry Comstock (1920)
"class Arachnida Scorpions, Harvestmen, Spiders, Mites, and others The members of this class are air-breathing arthropods, in which the head and thorax are ..."

3. An Introduction to the Study of Fossils (plants and Animals) by Hervey Woodburn Shimer (1914)
"Booh- gills are similar to book-lungs, but are external, attached to the abdominal appendages. Relationship. —' The class Arachnida typically includes a ..."

4. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... form a part of the class Arachnida, which may, however, be conveniently placed beside the Crustacea, as in the annexed diagram (fig. ..."

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