• Box crabs / shame-faced crabs
Scientific classification:
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Crustacea
Class:Malacostraca
Order:Decapoda
Infraorder:Brachyura
Family:Calappidae
Genus:Calappa
Not in scale
Specimens from my collection
via Flickr https://flic.kr/p/2kbpEzb