Most Expensive Alien Skull on EBAY Organic WHAT IS IT? Weird Rare Old Mystery

Description

Walking through the woods in the Pacific Northwest, I found it covered with a bark-like skin, a roundish head with teeth...
I quickly threw it into the nearby mountain lake. I thought it was gone.
5 years later, I returned to the lake and happened to look into the water, there under the water was the head.
Its skin was soft and loose,
waterlogged,
the skin just peeled and this is what is left.
What is it?
(Please contact if you know what it is.)
About the size of a stick shifter knob.
Nothing has been done to modify this alien skull like mystery object in any way, it is 100% in its natural state.
Messaged answers to What is it?
1) "awesome Fossilized Dragon HATCHLING", from Arizona
2) "
deformed head of a baby seal", on 5/3/2021
3) "A tree burl", on 6/14/2021