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Date: | Sun, 24 Oct 1999 19:28:09 +1300 |
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Are there any experts on Tridacnidae out there?
In 1966 Crozier described a 8mm bivalve from 805m depth in the far north of
New Zealand as Corculum inexpectatum nsp.
Bruce Marshall has pointed out to me that this is definitely NOT a
Corculum, but he was at a loss as to what it IS. He also told me that an
undescribed congener occurs in New Caledonia.
The shell does rather resemble some extinct tridacnids, and I suspect that
this may be where it belongs. I have not actually seen a specimen, and the
holotype may be unique, I'm not sure. Crozier's illustration, reproduced in
Powell 1979 "New Zealand Mollusca", does not adequately show the hinge, but
it does show a marked circular byssal opening.
Andrew
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