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Nereis (Neanthes) acuminata = Nereis (Neanthes) arenaceodonta....which is it?

Tom Parker tparker at lacsd.org
Tue Oct 15 16:46:21 EST 2002

Greetings Stan:

Though Neanthes acuminata has been reported from the west coast, during 
creation of the SCAMIT Taxonomic List (4th edition), taxonomists in Southern 
California decided that our west coast records of Neanthes acuminata were 
not likely the same as the taxa described by Ehlers in 1868.  We listed the 
name as "Neanthes acuminata CMPLX" to denote a possible species 
complex.  It is my understanding (from discussion with Dr. Reish) that 
specimens from several locations were analyzed more recently for 
chromosome number.  Specimens previously identified as Neanthes 
acuminata from California had a much different chromosome number than 
specimens recorded as Neanthes acuminata from some east coast 
samplings.  It is possible that the specimens you have considered as N. 
acuminata are not "acuminata".  

I recall that Day 1973 discussed dropping the useage of "arenaceodentata" 
and that Weiberg (1990) discussed genetic isolation in Nereid taxa.  

bye for now

Thomas Parker
Marine Biology Laboratory
<tparker at lacsd.org>

-----Original Message-----
From:	Stan Bosarge [SMTP:Stan.Bosarge at TAI.STRAND.COM]
Sent:	Tuesday, October 15, 2002 12:43 PM
To:	annelida at net.bio.net
Subject:	Nereis (Neanthes) acuminata = Nereis (Neanthes) 
is it?

To anyone that can help,

I am trying to determine which is the correct name usage for the following
Nereid polychaete.

Nereis acuminata
Neanthes acuminata
Nereis arenaceodonta
Neanthes arenaceodonta

>From what I can find in the literature, they are all the same thing, but which is 
the correct name.  I checked the ITIS database, and they are all valid names 
with the exception of Nereis arenaceodonta which according to ITIS is 
Neanthes arenaceodonta.  Can anyone help with this?  

Stan Bosarge
Taxonomy Lab Manager
TAI/Strand Assoc.
<Stan.Bosarge at TAI.STRAND.COM>

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