Information about Peltidium

Peltidium is a prodorsal shield found in animals of the Subphylum Chelicerata, in the Phylum Arthropoda. In some groups (Schizomida, Palpigradi, Solpugida and Opiliones) the peltidium, also known as schizopeltid, can be subdivided in: propeltidium, a capace-like shield that covers the proterosoma, which comprises the fused acron (protocerebral region) and first four segments; and two free segments, mesopeltidium and metapeltidium (Online Dictionary of Invertebrate Zoology).

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Chelicerata
Heymons, 1901

Classes
Arachnida
Merostomata
Pycnogonida
†Eurypterida

The Subphylum Chelicerata constitutes one of the major subdivisions of the Phylum Arthropoda, including the arachnids, horseshoe crabs, and related
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Arthropoda
Latreille, 1829

Subphyla and Classes
  • Subphylum Trilobitomorpha
  • Trilobita - trilobites (extinct)
  • Subphylum Chelicerata

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Schizomida
Petrunkevitch, 1945b

Families

Calcitronidae † Petrunkevitch, 1945b
Hubbardiidae Cook, 1899
Protoschizomidae Rowland, 1975

Schizomida is an order of arachnids.
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Palpigradi
Thorell, 1900

Family: Eukoeneniidae
Petrunkevitch, 1955

Genera

80 species in 4 genera
See text
A palpigrade, commonly known as a microwhip scorpion
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Solifugae
Sundevall, 1833

The order Solifugae is a group of arachnids, containing around 900 species. The name derives from Latin, and means those that flee from the sun.
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Opiliones
Sundevall, 1833

Diversity
4 suborders

Suborders

Cyphophthalmi
Eupnoi
Dyspnoi
Laniatores

Harvestmen (also known as daddy long-legs) are eight-legged invertebrate animals belonging to the order
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