Giant Clam Fossil (Tridacna Shell)
Fossil Tridacna Shell. Photograph by Irfan Nur @vannour. Source image: Yourshot National Geographic
I found the giant clam fossil "Tridacna Shell" is embedded in the coral reefs die on the Lhok Cut beach, Lamreh village, Aceh Besar, Sumatra. I can not confirm the age of the fossil. From observations on site fossils like this are common, visitors can take a free and bring home.
An online sales wibsite Indonesia bukalapak.com sell fossils giant clam shell at a price of $ 735.16 USD.
Giant clam is a large genus clams of brine, they inhabit shallow waters. According to the source en.wikipedia.org giant clams are one of the endangered mussel species.
Giant clam divided several grooves, see figure below.
Credit image: reefkeeping.com
Because the shells are large and heavy, so it is called the genus of Giant Clam.
Giant Clam, who still live in the sea.
Giant clams, Tuamotu archipelago. Photograph by: Yannick Chancerelle Source image: Yourshot National Geographic
Fossils are my first love.
Dam thats huge so cool upvoted!