Hi, Andrew!
This shell has six varices on the penultimate whorl; the siphonal canal represent about 32% of the 47 mm. shell.
The varical fronding is quite short; the largest frond I can find is no more than 5 to 7 mm. above the body of the shell. I hope these help - it's really a rather unremarkable shell, but I love Murexes and I never throw away a good shell. Oh, the aperture is optical white - i.e. darn close to pure white. The brown surface of the whell has a dull shine.
Thanks,
Linda
P.S. I learned never to buy a scanner without actually testing it out on non-miniature shell.
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