This consists of the genus Spondylus or spiny oyters!
Spondylidae

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Spondylus americanus 5 3/8” or 134.35mm Red Oil Rig #700020
A Fine Reddish/Purple Spondylus americanus 5 3/8” or 134.35mm. (umbo to longest spine) Hermann, 1781 Collected by Diver at between...
$95.00 Sale: $47.50Login to Shop
Max: 1

Spondylus imperialis 105.40mm. "Lovely Pinkish"#700024
An F+/F++Spondylus imperialis 105.40mm. Chenu,1843-Pinkish Hue on spines Collected “Live Taken” in net at 15 meters of water in June 2015...
$10.00 Sale: $5.00Login to Shop
Max: 1

Spondylus imperialis 3 3/8” or 89.05mm. "Samar"#700030
An F+ Spondylus imperialis 3 3/8” or 89.05mm. Chenu, 1843 Pinkish Body Hue on spines. Collected “Live Taken” in net at 15 meters of...
$9.50 Sale: $4.75Login to Shop
Max: 1

Spondylus regius 3 7/8” or 98.85mm. "Lovely"#700038
An F+ Spondylus regius 3 7/8” or 98.85mm. Linne, 1758 Collected in Tangle Nets at 70-80 meters in 1990’s Olango Island, Cebu,...
$20.00 Sale: $10.00Login to Shop
Max: 1

Spondylus regius 4 7/8” & 124.13mm"Gorgeous Long Spines"#700017
An F+/ very nearly F++Spondylus regius 4 7/8” or 124.13mm. Linne, 1758-“Long Spines” Collected at 25-30 meters by fishermen...
$30.00 Sale: $15.00Login to Shop
Max: 1

Spondylus sinensis 4 1/8” or 103.90mm."Superb"#700019
An F++/NG Spondylus sinensis 4 1/8” or 103.90mm. Schreibers, 1793-Superb Collected by diver at 6-8 meters in the 2000’s Bohol Island,...
$23.00 Sale: $11.50Login to Shop
Max: 1

Spondylus varians 5 ½” or 160.95mm. "Large"#700044
A Fine Spondylus varians 5 ½” or 160.95mm. Sowerby, 1829 Collected by local divers at 20-30 meters. Bohol Island, Philippines....
$24.00 Sale: $12.00Login to Shop
Max: 1

Spondylus variegatus 2 ½” or 60.29mm.'Superb" #700028
An F++/NG Spondylus variegatus 2 ½” or 60.29mm. Schreibers, 1793-Superb Spines Collected by diver at 25-30’ in the 2000’s...
$23.00 Sale: $11.50Login to Shop
Max: 1