Vintage Julia Knight Enameled Aluminum Giant Clam Shell 25.25 x 15.75 GrayBidhaus4.2(836)$1001 hr Left
Ruffled Full Large Faux Clam Seashell On A StandRapid Estate Liquidators and Auction Gallery4.5(1.3k)$1Feb 17, 2026
Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras AmmoniteHeartland Artifact Auctions4.7(868)$10Feb 15, 2026
Outstanding Iridescent Ammonite Fossil 110 Million Years Old Cleoniceras AmmoniteHeartland Artifact Auctions4.7(868)$22(2 bids)Feb 15, 2026
SoldLarge Tridacna Gigas Giant Clam ShellLarge Tridacna Gigas Giant Clam Shell with remnants of old barnacles. 13 inches W x 10 deep x 4 H. Three holes drilled in shell.See Sold Price
SoldRare Super HUGE "Tridacna Gigas" Giant Natural Clam ShellRare Large HUGE "Tridacna Gigas" Squamosa Giant Natural Clam Shell. (Stand Not Included). 25"L x 16"W x 8"H. Weight: 70-80lbSee Sold Price
SoldLARGE COMPLETE GIANT CLAM SHELL WITH BOTH HALVESLarge complete Tridacna gigas clam shell with both halves, an adult sessiled pair with the remains of the connective tissue that hinged the two halves of the shell when alive. Approximate dimensions:See 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 Giant Natural Clam Shell w/ Iron Stand.This Heavy Wrought Iron Stand comes with a rare Tridacna Gigas Clam Shell to adorn its top. There is some paint loss in a few spots on the stand. The stand paired with the clamshell measures 40" tallSee Sold Price
SoldGiant Cast Ceramic Gigas Type Clam Shell PlanterLarge molded planter in the form of a marine clam shell crafted from composite material with a textured surface and off-white coloration. The design replicates a giant Tridacna gigas shell, featuringSee Sold Price
SoldTridacna Gigas Giant Clam ShellA fine and rare monumental natural shell now raised on wrought iron display stand. Size: Shell width 37" overall height 37" x 23"depth.See Sold Price
SoldTridacna Gigas Giant Clam ShellA fine and rare monumental natural shell now raised on wrought iron display stand. Size: Shell width 37" overall height 37" x 23"depth.See Sold Price
SoldAntique South Sea Tridacna Gigas Giant Clam ShellAntique South Sea Tridacna Gigas Giant Clam Shell. Not chipped or cracked. Extremely heavy.See Sold Price
SoldTridacna Gigas, Giant Clam ShellTridacna Gigas. Height: 7 1/4", Length: 19 1/2", Depth: 12". Heavy natural giant clam shell, also known as tridacna gigas. Please note that this shell is very heavy for shipping.See Sold Price
Sold"Tridacna Gigas" Giant Clam Shell"Tridacna Gigas" Giant Clam Shell, a species endemic to the South Pacific and the largest living bivalve mollusk. Slight damage on left hand side Size 24" x 16" x 6" Literature Brooks Auction is notSee 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
SoldGiant Natural Tridacna Gigas Marine 35" Clam ShellMassive genuine natural tridacna gigas giant clam shell, originating in the South Pacific. A striking natural history artifact with scalloped edges. Approximate weight 99 lbs.Dimensions: 14 X 35 X 18See Sold Price
SoldGiant Natural Tridacna Gigas Marine 31" Clam ShellMassive genuine natural tridacna gigas giant clam shell, originating in the South Pacific. A striking natural history artifact with scalloped edges. Approximate weight 162 lbs.Dimensions: 12 X 31 X 23See Sold Price
SoldGigantic Natural Tridacna Gigas Marine Clam ShellAn authentic natural tridacna gigas giant clam shell originating from the South Seas. A striking natural history artifact with deep set scalloped edges. Total approximate weight 31 pounds. Acquired frSee Sold Price
SoldGiant Natural Tridacna Gigas Marine 28" Clam ShellGenuine natural Tridacna gigas giant clam shell originating from the South Seas. This striking natural history artifact features deep-set scalloped edges and has a bore hole pierced through the centerSee Sold Price
SoldGiant Natural Tridacna Gigas Marine 22" Clam ShellAn authentic natural tridacna gigas giant clam shell, originating in the South Pacific. A striking natural history artifact with four well defined scalloped edges. Dimensions: 8 X 22 X 12 in. ConditioSee 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
SoldGiant Natural Tridacna Gigas Marine Clam ShellA genuine natural Tridacna gigas giant clam shell originating from the South Seas. This remarkable natural history artifact showcases deep-set scalloped edges and natural coloration both inside and ouSee 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
SoldTridacna Gigas Natural Giant Clam ShellA natural giant clam shell (Tridacna gigas) featuring distinctive ridges and a light ivory color. Dimensions: Height: 10 1/4 inches Width: 30 1/2 inches Depth: 16 1/4 inches WeigSee Sold Price
SoldTridacna Gigas, natural giant clam shellTridacna Gigas, natural giant clam shell, 19th/20th c., used as outdoor fountains, 11"h x 26" x 18"w (larger) Provenance: Property from a Litchfield, Connecticut Estate CollectionSee Sold Price
SoldLarge Natural Tridacna Gigas Clam ShellDESCRIPTION: Large natural Tridacna Gigas clam shell, white in color with five folds. On a metal display stand. CIRCA: 20th Century ORIGIN: DIMENSIONS: H: 15" W: 26" L: 16" H: 24" W: 26" L: 16" (withSee Sold Price