This dangerous river reptile's name is from the Greek for "pebble" & "worm"
Both parts of the Latin name refer to its skin: 
Crocodylus from the Greek word meaning "pebble worm," and porosus, or "full of 
callosities,"... [DOC] [TLE] In the Croc Tank - FlyingClassroom.com [PAR] Oct 29, 2014 ... ... crocodile comes from the Greek word krokodeilosmeaning pebble worm.