Shipworm

Shipworms are marine bivalve mollusks that bore into submerged wood and digest it with help from symbiotic bacteria. Their long, wormlike bodies can damage ships, pilings, and other wooden structures.

Teredinidae: Teredinidae is the family of marine bivalves commonly called shipworms. Shipworms belong to this family, whose members share wood-boring adaptations.
Teredo navalis: Teredo navalis is a shipworm species known for damaging submerged wooden structures. Its spread has caused substantial losses to wooden vessels and harbor works.
Paleontology of shipworms: The paleontology of shipworms studies their fossil record and the history of wood-boring bivalves. Fossil borings preserve evidence of shipworm activity across geological time.
Piddock: Piddocks are rock-boring or wood-boring bivalves in the family Pholadidae. Like shipworms, piddocks excavate hard substrates, but they are not members of Teredinidae.
Wood-boring bivalve: A wood-boring bivalve is a mollusk that excavates and inhabits submerged timber. Shipworms are among the specialized bivalves that make wood their habitat.
Marine borer: A marine borer is an aquatic animal that excavates wood or other hard materials. Shipworms are among the most destructive marine borers of timber.
Wood borings: Wood borings are holes and tunnels excavated in timber by animals or other processes. Fossilized borings can reveal shipworm presence even when the animal's shell is absent.
Sphaeroma terebrans: Sphaeroma terebrans is a wood-boring marine isopod crustacean. It damages submerged timber like shipworms but belongs to a different animal group.
Shipworm anatomy: Shipworm anatomy includes a wormlike body, reduced shell valves, and a wood-boring apparatus. The small shell valves at the body's front act as rasping tools.
Marine timber preservation: Marine timber preservation comprises methods for protecting wood from seawater damage and marine organisms. Shipworm damage drives the use of coatings, treated timber, and nonwood materials.

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