Muricanthus callidinus Berry, 1958 105mm Huatulco, Oaxaca, Mexico On large flat boulder at 15'
Muricanthus radix Gmelin, 1791 152mm Western Panama In weed and rubble at 15-20'
Muricanthus callidinus Berry, 1958 68-69mm Dredged off Champenco, Guatamala in 210' 11/89
Muricanthus radix Gmelin, 1791 73mm Venado Island, Panama In sand at lowtide
Muricanthus radix Gmelin, 1791 51mm Isla Espiritu Santo, Perlas Islands, Panama Attached to rocks at night, -1.6m lowtide