The horseshoe crab is a similar species found in inland freshwater wetlands, and its size is relatively small.

Horseshoe crab and horseshoe crab are closely related.

Limulus Arthropoda, crustacea, Acropora, xiphophora.

Limulus arthropoda crustacea branchiopoda crustacea

Generally speaking, what species and what species belong to the same family at least, while horseshoe crab and horseshoe crab are different, that is to say, they are far apart.