Peltidium
Encyclopedia
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).
Chelicerata
The subphylum Chelicerata constitutes one of the major subdivisions of the phylum Arthropoda, and includes horseshoe crabs, scorpions, spiders and mites...
, in the Phylum Arthropoda. In some groups (Schizomida, Palpigradi, Solpugida and Opiliones
Opiliones
Opiliones are an order of arachnids commonly known as harvestmen. , over 6,400 species of harvestmen have been discovered worldwide, although the real number of extant species may exceed 10,000. The order Opiliones can be divided into four suborders: Cyphophthalmi, Eupnoi, Dyspnoi and Laniatores...
) 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).