Category: Invertebrate
Phylum: Arthropoda
Class: Crustacea
Family: Hymenosomatida

Other Names:
Crab, Flat Spider

Notes
This crab has an angular shape which narrows towards the head. It has a three lobed spine which does not protrude past the eyes. It varies in colour from yellow, green and orange to black. The legs may be banded.


References
Guide to Common Intertidal Species of the South Island, NZ: Scheil