Carpilioidea  Carpilioidea is a superfamily of crabs containing a single extant family, Carpiliidae and three extinct families. The modern range of the family includes the Indo-Pacific, Western Atlantic and Caribbean Sea. The fossil record of the group extends back at least as far as the Paleocene. Carpiliidae Ortmann, 1893 Paleoxanthopsidae Schweitzer, 2003 Tumidocarcinidae Schweitzer, 2005 Zanthopsidae Vía, 1959