ClipArt ETC
A young horseshoe crab or Limulus.

Horseshoe Crab

A young horseshoe crab or Limulus.

"Male of Nymphon. PR., Proboscis; CH., chelophores; P., pedipalps; E., eggs carried on ovigerous legs; A., rudimentary abdomen." -Thomson, 1916

Nymphon Sea Spider

"Male of Nymphon. PR., Proboscis; CH., chelophores; P., pedipalps; E., eggs carried on ovigerous legs;…

"Sea-spider (Pycnogonum littorale), from the dorsal surface." -Thomson, 1916

Sea Spider

"Sea-spider (Pycnogonum littorale), from the dorsal surface." -Thomson, 1916