Bacterial endosymbionts in the gills of the deep-sea, wood-boring pholad
clams Xylophaga atlantica and Xylophaga washingtona.
1993), although in the case of the larval stages of certain pholads
and teredinids [e.g., Bankia gouldi (Tan et al.
Marine borers found in the salt waters of the world can be classified as 1) molluscan borers, commonly known as shipworms and pholads
; and 2) crustacean borers including multiple species commonly known as gribbles.