They are not extinct. They still exist in the remote recesses of the worlds more isolated and deeper entrenchments, waiting to ppouce , devour and create another mystery missing boat.
BUahahahahahahahahah!
Ship disappearances:
https://www.mentalfloss.com/article/84242/7-ships-disappeared-without-trace
Interesting article, thx!
“7 ships that disappeared without a trace” by....Claire Cock-Starkey.
I wonder if that is a pen name.