Relating to or belonging to the anomura, a group of crustaceans that includes hermit crabs and porcelain crabs with atypical tail structures.
From anomura (Greek 'anomos' irregular, 'oura' tail) plus '-an.' Describes crustaceans with modified abdominal structures.
Hermit crabs are the rebels of the crustacean world—they have asymmetrical, curled abdomens that fit perfectly into snail shells, and they evolved that way because their bodies are just weird compared to normal crabs.
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