Shark Teeth Caloosahatchee Formation Florida Pliocene/Pleistocene

[alej9582]

Guys,

 

In 4 days of sifting in this locality (Caloosahatchee River/Fisheating Branch) I have only found 2 shark teeth, in reality I didn't expect to find any at all as it seems to have been amphibian/mammal/mollusk land which points to a lacustrine environment. So at some point the area must have been a shallow see as well but there is no way to know age difference. Anyhow here are the two specimens I found. Both small in size (nursery area?). There is a lot of info on shark teeth around but I am having difficult with this two guys. Any thoughts?

 

Thanks,

Alex

[Brett Breakin' Rocks]

  Hi there . these are typical Carcharhinus sp. (Bull, Dusky, Silky etc .. ) and one of the more common finds up and down the East coast.  To place it to a specific species is usually pretty difficult in the best of circumstances (the teeth are complete) .. they all look very similar. There are at least 30 + extant species out there.  The fossil record I would imagine has at least that many if not more.

 

Elasmo has a great breakdown if you are interested.  A great site for the shark tooth hunter with fantastic reference images.

http://www.elasmo.com/frameMe.html?file=genera/cenozoic/sharks/carcharhinus.html&menu=bin/menu_genera-alt.html

 

Cheers,

Brett

 

 

[Macrophyseter]

Requiem shark Carcharhinus sp.