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Hi, I'm seeking info. I found this about 15 kilometers inland from the Sea of Cortez and 15 kilometers south of Los Barriles, Baja Sur, Mexico. It was on a steep hillside above a small sandy wash or arroyo which will later flow into another and then the Sea, maybe 75 meters elevation. The person who took me to this gully said he has found Megalodon teeth here. It literally looks like a one kilo stack of tortillas, same size, dimension and layering. It's about 20 centimeters in diameter and 5 centimeters tall. I have found whale discs before but only on fresh skeletons and this does look similar but perhaps it's just a sedimentary deposit. I also found what appeared to be a rib about one meter in length but broken into about 8 pieces along with a few other pieces that didn't look like they belonged. I'm not sure about the geology. Appeared be banded horizontal layers with a surprising amount of some type of crystal that looked like selenite or calcite.
This is a fossil of unknown origin, it was allegedly found burried in sand near the shore of the Chesapeake Bay in Virginia; or possibly on the banks of the James River. The previous owner believed it to be an intervertebral disc of some kind of whale. It is clearly fossilized and has some areas encrusted with a sand like mineral. It also has a few spots where a shiny black mineral has been deposited. Can anyone provide an identification and possible an estimated age?