Tags: Crustacean.
Calappidae is a family of crabs containing 16 genera of which 7 are only known as fossils:Acanthocarpus Stimpson 1871Calappa Weber 1795† Calappella Rathbun 1919† Calappilia A. Milne-Edwards 1873Calappula Galil 1997Cryptosoma Brullé 1839Cycloes De Haan 1837Cyclozodion Williams & Child 1989Mursia A. G. Desmarest 1823† Mursilata C.-H. Hu & Tao 1996† Mursilia Rathbun 1918† Mursiopsis Ristori 1889Paracyclois Miers 1886Platymera H. Milne Edwards 1837† Stenodromia A.
