Spiders are found worldwide on every continent except for Antarctica, at least 48,200 spider species, and 120 families have been recorded by taxonomists. We have data of 1869 species in 61 families.

There are more than 3,300 species of pseudoscorpions recorded in more than 430 genera. Our database have 120 number of Pseudo scorpions from 12 families identified in India.

over 6,650 species of Opiliones have been discovered worldwide, although the total number of extant species may exceed 10,000. We have data of 200 species of Opiliones in India.

There are 7,000 species of millipede in the world, and 1,400 of these occur in the United States and Canada. xxx Species identified in India. Our database have xxx species found in India.

Worldwide, an estimated 8,000 species of centipedes are thought to exist, of which 3,000 have been described. xxx Species identified in India. Our database have xxx species found in India.