Hymenosomatidae (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Hymenosomatidae is a family of crabs with some 110 described species in nearly 20 genera.True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (Greek: / brachys = short, / ura = tail), or where the reduced abdomen is entirely hidden under the thorax.