Kingdom Animalia, Phylum Arthropoda, Subphylum Chelicerata, Class Arachnida
Acariformes
Opiliones
Scorpiones
Kingdom Animalia, Phylum Arthropoda, Subphylum Chelicerata, Classis Arachnida
SuperOrders * Acariformes 351 familiae, 32,000 described species
Parasitiformes
8000 species
Mites and Ticks * were historically grouped together in the subclass Acari, but genetic analysis does not show clear evidence of a close relationship. (Wikipedia)
Kingdom Animalia, Phylum Arthropoda, Subphylum Chelicerata, Classis Arachnida
Order Opiliones 6650 described species (2017)
Harvestmen, or daddy longlegs can be distinguished by spiders having connection between the cephalothorax and abdomen so broad that the body appears to be a single oval structure. Opiliones have no venom in their chelicerae, many are omnivorous and most of them have a single pair of eys.
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Order Scorpiones 6650 described species (2017)
Kingdom Animalia, Phylum Arthropoda, Subphylum Chelicerata, Classis Arachnida
Scorpions, as all othe Archnida have eight legs and are easily recognized by the grasping pincers and the back ending with a stinger, venomous, used for offense and defense. Some species (less then the 1%) are dangerous and even lethal fo humans. Scorpions do not give lay eggs and live birth.The female cares for the young as their exoskeletons harden, transporting them on her back. .
.JPG "Opiliones")
.JPG "Phalangium opilio")
.jpg "Phalangium opilio")
.jpg "Phalangium opilio")
.jpg "Euscorpius flavicaudis")
.jpg "Euscorpius flavicaudis")
