there are actually 35,000 species.
if im not mistaking a worm or worm species
A worm.
sealoid
50 million
Tatooinian cliffborer worm.
ribbon worm
I think it's because of all the different types of species of worms like the garden worm, the spider worm and the cacoon worm
depends on which species you are talking about - there are about 30 different "species" of Acorn worm and all are under the class hemichordata. -one of these Acorn worm is the Balanoglossus sp., the common representative organism under phylum hemichordata.
A flatworm is an unsegmented worm that lives in water or shaded areas. Over half of the species is known as parasitic.
The genus is Trichuris and the species is Trichuris trichiura.
Glowworms are the larvae, or sometimes wingless adult females (of certain species), of beetles known as fireflies or lightening bugs. There are more than 1000 species, but all are from the family Lampyradae.