Lithoredo

Lithoredo
Specimens of Lithoredo abatanica: (a) juvenile, (b) small adult, (c) large adult. In, intestine; MC, mantle collar; Pa, pallet; Si, siphon; SV, shell valve. Scale bar = 5 mm.
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Myida
Family: Teredinidae
Genus: Lithoredo
Shipway, Distel & Rosenberg, 2019
Species:
L. abatanica
Binomial name
Lithoredo abatanica
Shipway, Distel & Rosenberg, 2019

Lithoredo is a genus of shipworm native to the Abatan River in the Philippines. It contains a single species, Lithoredo abatanica, described in June 2019.[1] The species is unusual because, unlike other shipworms which mainly bore into wood, it tunnels into and excretes limestone. It lacks the cecum which in other shipworms holds symbiotic bacteria which digest wood. Compared to other shipworms, Lithoredo have differently shaped teeth which can finely grind stone. The worms use the tunnels to live in, but their method of eating is not yet known. They may get nutrition from bacteria in their gills.[2]

Borings of Lithoredo abatanica in limestone. Their calcite-lining is evident in D-E.

References

  1. ^ Shipway, J. Reuben; Altamia, Marvin A.; Rosenberg, Gary; Concepcion, Gisela P.; Haygood, Margo G.; Distel, Daniel L. (2019). "A rock-boring and rock-ingesting freshwater bivalve (shipworm) from the Philippines". Proceedings of the Royal Society B: Biological Sciences. 286 (1905) 20190434. doi:10.1098/rspb.2019.0434. PMC 6599978. PMID 31213180.
  2. ^ These Two Newly Described Worms Have Really Strange, Yet Marvelous Butts, Jason Daley, Smithsonian, June 21, 2019


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