Large 8" Mid-century Rainbow Iridescent Ceramic Clam Shell Tropical AshtrayChairish Auctions4.5(10.3k)$1,200
Ruffled Full Large Faux Clam Seashell On A StandRapid Estate Liquidators and Auction Gallery4.5(1.3k)$1Feb 17, 2026
Giant South Pacific Natural Clam Shell w/ StandCase Antiques, Inc. Auctions & Appraisals4.7(308)$300(1 bid)3 days Left
BRACHIOPOD ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.4(471)See Sold PriceJul 19, 2025
SoldTridacna Ruffled Fluted Clam Shell SpecimenTridacna Ruffled Fluted Clam Shell Specimen on Stand. 8 inches W x 4 H x 6 H.See Sold Price
SoldNatural Tridacna Gigas Clam Marine Clam Shell LOTEstate lot of Two (2) authentic Tridacna gigas large clamshell specimens, showcasing the beauty and diversity of oceanic life. These naturally formed marine life artifacts feature deep-set ruffled scaSee Sold Price
SoldFluted Clam Shell SpecimenNatural wear and breaks, surface dirt, 11.5W x 9D x 5.5H inchesSee Sold Price
SoldGiant Tridacna Gigas Natural Marine Clam ShellScarce genuine natural Tridacna Gigas giant clam shell specimen, originating from the South Seas. This natural history artifact showcases scalloped edges, organic contours, and natural losses. WeighsSee Sold Price
SoldCassis Cornuta Helmet Shell and Half Tridacna Clam ShellCassis Cornuta Helmet Shell and Half Tridacna Clam Shell. Both excellent specimens, found primarily in the Oceanic/Pacific region, often taking many years to grow. Sizes: 6 1/2 x 7 3/4 x 7See Sold Price
SoldTridacna Gigas, natural giant clam shell specimenTridacna Gigas, natural giant clam shell specimen, Approx. 15"w x13"l x 7.5"dSee Sold Price
SoldGiant 24" Natural Clam Shell, Tridacna Gigas SpecimenGiant 24" Natural Clam Shell, Tridacna Gigas. Beautiful large & heavy specimen of South Pacific Tridacna Gigas.Dimensions are 12.5 in h x 24 in w x 18 in d. Condition is good with some chipping aroundSee Sold Price
SoldLarge 16.5" Natural Clam Shell, Tridacna Gigas SpecimenLarge 16.5" Natural Clam Shell, Tridacna Gigas Specimen. This large piece, which can be used decoratively on display or as a dish, we believe to be a specimen of South Pacific Tridacna Gigas. DimensioSee Sold Price
SoldGIANT NATURAL TRIDACNA GIGAS CLAM SHELLGIANT NATURAL TRIDACNA GIGAS CLAM SHELL – A STUNNING AND MASSIVE SPECIMEN FEATURING DEEP WAVY RIDGES AND A BEAUTIFULLY WEATHERED EXTERIOR WITH A LUSTROUS INTERIOR. THIS RARE ANTIQUE SHELL DISPLAYS NSee Sold Price
SoldGIANT NATURAL TRIDACNA GIGAS CLAM SHELL 29"GIANT NATURAL TRIDACNA GIGAS CLAM SHELL – A STUNNING AND MASSIVE SPECIMEN FEATURING DEEP WAVY RIDGES AND A BEAUTIFULLY WEATHERED EXTERIOR WITH A LUSTROUS INTERIOR. THIS RARE ANTIQUE SHELL DISPLAYS NSee Sold Price
SoldGiant Sea Clam Shell Tridacna GigantisGiant sea clam Shell 70 pounds Tridacna Gigantis Sea Clam Shell.This is a large specimen in very good condition and 28 inches long 10h x 28Lx 18w. 71 lbsSee Sold Price
SoldGiant Natural Tridacna Gigas Marine 22" Clam ShellAn extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of iSee Sold Price
SoldGiant Natural Tridacna Gigas Marine 18" Clam ShellAn extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of iSee Sold Price
SoldSeashell SpecimensAssortment of seashells including tridacna clam shell, murex loebbecki species Davim, P.I., and columbarium spinicicta; From the private collection of a U.S. military officer stationed in the PacificSee Sold Price
SoldVintage Matching Pair Ruffled Surface Natural Tridacna Gigas Giant Clam ShellsVintage Matching Pair Ruffled Surface Natural Tridacna Gigas Giant Clam Shells. 10.5"L x 6"W x 4.5"H. Incredible giant clam, natural, unique and beautiful sea shell.(Stand Not Included)See Sold Price
SoldCollection Of Seashells Tridacna Conch TritonFluted Giant Clam (Tridacna squamosa) Philippines. Moon Shell (Glossaulax didyma) Japan. Moon Snail (Natica ultellus) Indo Pacific. Granos Tulip Shell (Pleuropoca granosa) Mexico. West Indian FightingSee Sold Price
SoldCollection Of Seashells Tridacna Conch TritonFluted Giant Clam (Tridacna squamosa) Philippines. Moon Shell (Glossaulax didyma) Japan. Moon Snail (Natica ultellus) Indo Pacific. Granos Tulip Shell (Pleuropoca granosa) Mexico. West Indian FightingSee Sold Price
SoldLarge Natural Pair Fluted Squamosa Tridacna Clam SeashellWhat a stunning shell! This white Squamosa clam shell makes an awesome look for a beautiful display. This gorgeous Tridacna clam is a relatively heavy white shell with a fluted shape. Lots of cool texSee Sold Price
SoldGiant Natural Tridacna Gigas Marine 17" Clam ShellA genuine natural tridacna gigas giant clam shell, originating in the South Seas. A striking specimen of natural history with deep set scalloped edges. Acquired from a Palm Beach estate. Dimensions: 8See Sold Price
SoldSeashell, Ocean, Beach, Natural, Decor, Collectible, SpecimenRuffle Clam Tridacna Squamosa ShellSee Sold Price
SoldClam, Shell, Ocean, Beach, Natural, Decor, Collectible, SpecimenRuffle Clam Tridacna SquamosaSee Sold Price
SoldGIANT TRIDACNA CLAM SHELL Early 20th Century Length 25”.GIANT TRIDACNA CLAM SHELLEarly 20th Century Length 25”. Height approx. 11.5”. Depth approx. 15.5”.See Sold Price
SoldGiant Natural Clam Shell Specimen - 2 of 2Giant Natural Clam Shell Specimen - 2 of 2. Measures approximately 13 x 23 inches in size.See Sold Price
SoldGiant Natural Clam Shell Specimen - 1 of 2Giant Natural Clam Shell Specimen - 1 of 2. Measures approximately 13 x 23 inches in size.See Sold Price
