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Nereis caudata and N. arenaceodentata

Tom Perkins STP 813-896-8626 Tom.Perkins at dep.state.fl.us
Fri Nov 19 13:43:23 EST 1999

According to J. H. Day (1973), New Polychaeta from Beaufort, with a 
Key to All Species Recorded from North Carolina, NOAA Technical 
Report NMFS CIRC-375: p. 41, Nereis (Neanthes) caudata (delle Chiaje, 
1822), type locality Mediterranean, is a (junior) homonym.  Day states 
that the next available name is Nereis (Neanthes) acuminata Ehlers, 
1868, type locality Naples, and that Nereis arenaceodentata Moore, 
1903, type locality Massachusetts, is a (junior) synonym.  Many 
biologists would probably agree that the European and North American 
worms do not belong to the same species.  That they are different has 
not, to my knowledge, been established.  What has been established, as 
indicated in the research papers cited by Geoff Read, is that North 
American east coast and North American west coast taxa referred to N. 
arenaceodentata are not the same species.  

Nereis caudata was originally described in 1822 as Spio caudatus.  This 
name was first used by Lamarck, 1818, for the species now known as 
Polydora cornuta Bosc, 1802, type locality Charleston, South Carolina.  
Hartman, 1959, in her Catalog, Part 2, P. 390, attributed the first use of 
S. caudatus to Savigny, but Savigny, 1822, did not use the name.  

Tom Perkins
Florida Marine Research Institute
100 8th Ave SE
St. Petersburg, FL 33701
tel: 727-896-8626
fax: 727-823-0166
email: Tom.Perkins at dep.state.fl.us

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