Horseshoe crab  (Limulus polyphemus)

Facts

Also known as:king crab
Kingdom Animalia
Phylum Arthropoda
Class Merostomata
Order Xiphosura
Family Limulidae
Genus Limulus (1)
Size Width of male prosoma: 137 - 213 mm (2)
Width of female prosoma: 243 - 351 mm (2)

Status

Classified as Lower Risk / Near Threatened (LR/nt) by the IUCN Red List 2007 (1).