At least six other species of Teredo occur in the U.S. south Atlantic, including T. bartschi, T. fulleri and T. furcifera which have been recorded from the IRL region of Florida, and T. clappi that has been found on a ship's keel in Key West (SMS: http://www.sms.si.edu/irlspec/Tspecies.htm, Carlton and Ruckelshaus 1997). A number of shipworms from two additional genera, Bankia (B. carinata, B. fimbriatula) and Lyrodus (L. bipartitus,L. medilobatus, L. massa) have also been recorded from Florida. All of these shipworm species are considered either cryptogenic or introduced (Carlton and Ruckelshaus 1997).Classification and identification of Teredo species is based on the shape of the siphonal pallets (see above). The paddle-like shape of these structures in T. navalis may be useful as a diagnostic key (NIMPIS 2002).
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