Well done Guido!

-------------
Interesting topic these large shells, so I took a quick look in our
systems. In front of the names the size in mm, based on the present
WRS list. B stands for Bivalvia

Top 25 list of recent marine shelled molluscs

1532 Kuphus polythalamia            B
1368 Tridacna gigas                        B
970 Pinna nobilis                        B
772 Syrinx aruanus
621 Tridacna derasa                        B
616  Pleuroploca gigantea
590 Pinna rugosa                        B
550 Melo amphora
496 Turbinella angulata
494 Adelomelon beckii
490 Charonia tritonis
476 Tridacna squamosa            B
467 Siliquaria ponderosa
463 Hippopus porcellanus            B
455 Melo miltonis
450 Melo umbilicatus
437 Brechites giganteus            B
432 Atrina vexillum                        B
427 Tutufa bardeyi
423 Hemifusus colosseus
421 Pinna rudis                        B
419 Lambis truncata
418 Turbinella laffertyi
415 Livonia nodiplicata
410 Cassis cornuta or 410 Hemifusus crassicaudus (more correct
measurements will point out which one deserves place 25)


The 25 largest recent marine Gastropods

772 Syrinx aruanus
616 Pleuroploca gigantea
550 Melo amphora
496 Turbinella angulata
494 Adelomelon beckii
490 Charonia tritonis
467 Siliquaria ponderosa
455 Melo miltonis
450 Melo umbilicatus
427 Tutufa bardeyi
423 Hemifusus colosseus
419 Lambis truncata
418 Turbinella laffertyi
415 Livonia nodiplicata
410 Cassis cornuta
410 Hemifusus crassicaudus
409 Cassis madagascariensis
404 Pleuroploca princeps
402 Melo broderipii
395 Charonia lampas
387 Hemifusus tuba
385 Cymbium glans
382 Adelomelon riosi
380 Strombus goliath
372 Livonia mammilla

Excluded because not well defined:
550 Pinna bicolor  422 Atrina maura   413 Busycon sinistrum 404
Turbinella scolymoides + Serpulorbis and Petaloconchus

This list has been made quickly using the databases of Conchology,
Inc. More study may reveal minor changes, but the general image is
most probably close to correct.

Mabuhay from Mactan island, the Philippines.
Guido T. Poppe
Conchology, Inc.
Cebu Light Industrial Park,
Basak, Lapu-Lapu City,
Cebu, Philippines 6015
Phone #: +63 32 495 9990
Fax #: +63 32 495 9991
Websites: www.conchology.be
www.poppe-images.com
www.mambele.be

Email:
[log in to unmask]

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------