Date: Sun, 13 Mar 2011 22:25:33 -0400
Reply-To: Conchologists List <CONCH-L@LISTSERV.UGA.EDU>
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From: "Harry G. Lee" <hglee2@MINDSPRING.COM>
Subject: Re: Miltha childreni (Gray, 1824) revisited
In-Reply-To: <AANLkTimfKHZp2cT8Hz7BqG_u2_jbSKJcYjwg1du2m-Kk@mail.gmail.c om>
The authors state that their new species,
Meganodontia acetabulum Bouchet and von Cosel,
2004 is the "largest known Recent species of
Lucinidae" and it is "up to 150 mm." That assures
it second place by my reckoning. The authors
probably didn't know of the Codakia distinguenda,
a 152 mm specimen of which first appeared in the
literature in the next year (Pisor, 2005; see
also Hutsell et al., 2001, which listed the record at 142 mm).
Science is cumulative.
Thanks for the reference; it was news to me.
Spurred on by your report, I went on to discover
a second size edit on my webfeature was needed:
"* These shells pale by comparison to Lucina
megameris Dall, 1901, reaching 310 mm (Taylor and
Glover, 2009) and 318 mm (Taylor, pers. comm.
Taylor in Cosel and Bouchet 2008: 205) but
extinct for about 34,000,000 years. It is the
type of Superlucina, which genus was erected by
the latter authors. It is said to resemble M. childreni and may be ancestral."
Bouchet, P. and R. von Cosel, 2004. The world's
largest lucinid is an undescribed species from
Taiwan (Mollusca: Bivalvia). Zoological Studies 43(4): 704-711.
Cosel, R. and P. Bouchet 2008, Tropical
deep-water lucinids (Mollusca: Bivalvia) from the
Indo-Pacific essentially unknown, but diverse and
occasionally gigantic. in Heros, V., R.H.
Cowie, and P. Bouchet (eds.) Tropical deep-sea
benthos vol. 25. Mémoires du Muséum National d'Histoire Naturelle 196: 115-213.
Hutsell, K.C., L.H. Hutsell, and D.L. Pisor,
2001. Registry of world record size shells third
edition. Snail’s Pace Productions, San Diego, pp. 1-158+ i-vii. June.
Pisor, D.L., 2005. Registry of world record sizes
shells [fourth edition]. Snail’s Pace Productions
San Diego, CA and Conchbooks, Hackenheim Germany. 1-171. March.
)At 08:50 PM 3/13/2011, you wrote:
>Harry, I didnt read the taxonomic fine print perhaps but where does
>this species fit in, the title is rather suggestive....
>s Largest Lucinid is an Undescribed Species from Taiwan
>Philippe Bouchet* and Rudo von Cosel
>Department of Systematics and Evolution, National Museum of Natural
>History, 55, rue Buffon, F-75005 Paris, France
>(Accepted September 1, 2004)
>Philippe Bouchet and Rudo von Cosel (2004) The world
>s largest lucinid is an undescribed species from
>Taiwan (Mollusca: Bivalvia). Zoological Studies 43(4): 704-711.
>Meganodontia acetabulum is described as a
>new genus and species of the Lucinidae, based on valves trawled at
>256~472 m depths on the Tashi fishing
>ground off the northeastern coast of Taiwan. The new genus is close to
>Anodontia but differs mainly in the
>small umbones, the perfectly circular outline, the hinge and ligament,
>and the large muscle impressions. It is
>the largest known Recent species of Lucinidae. Other species of
>bivalves, belonging to families symbiotically
>associated with chemautotrophic bacteria, have been taken at the same
>or nearby stations, suggesting that the
>Tashi fishing ground is a site where chemosymbiosis plays an important
>role in biomass production and ecosystem
>On 3/13/11, Harry G. Lee <firstname.lastname@example.org> wrote:
> > Dear listers,
> > With the help of the Internet and Gary Rosenberg, I have delved more
> > deeply into Children's Lucine and changed my conclusions a bit.
> > The report I offered you on 18 February has been somewhat revised:
> > <http://www.jaxshells.org/childa.htm>.
> > With apologies for my irresolute ways,
> > Harry