Anterior margin of carapace and posterior margin of abdominal somites with acutespines. Antenna without scale. Eyes conical; number of facets across the largest diameter of eye 18-25. Telson very small; lateral margins smooth; apex narrow, with a pair of very small spines.
Ref.: Murano (1977).
Kingdom Animalia Phylum Crustacea Superorder Peracarida Order Mysidacea Suborder Mysida Family Mysidae Subfamily Mysinae Tribe Erythropini Genus Arachnomysis Species Arachnomysis megalops
