IsaacTheFossilMan Posted March 23, 2021 Share Posted March 23, 2021 Hi all! Most of you will know me as an invertebrate person, but, recently, I found something that may change my view! I was splitting some Jurassic Cotswold limestone, and I found a tooth. A tiny tiny tooth, which I believe to be a shark(?). In other chunks of the matrix, I found scales, and other hints to vertebrate life. It heavily fluoresces under UV light, and has these gorgeous lines along the flat crown. To the bottom right of the tooth, there is a partial mold of a brachiopod, which is pretty cool! Ancholme Group, Callovian - Oxfordian (166.1 - 157.3 mya). As a sister question to the ID, I would like to know if I should dissolve the rest of the matrix I found it in, to find more teeth from the same creature? If anyone could help with either question, I would be much obliged! Thanks all! 1 ~ Isaac; www.isaactfm.com "Don't move! He can't see us if we don't move!" - Alan Grant Come to the spring that is The Fossil Forum, where the stream of warmth and knowledge never runs dry. Link to comment Share on other sites More sharing options...
AndyW Posted March 23, 2021 Share Posted March 23, 2021 Planohybodus sp 2 1 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 23, 2021 Share Posted March 23, 2021 Hybodont shark tooth, I believe. @Archie @jdp 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
IsaacTheFossilMan Posted March 23, 2021 Author Share Posted March 23, 2021 51 minutes ago, AndyW said: Planohybodus sp Ooh, it looks like it! Should I dissolve the matrix? Or will it break? ~ Isaac; www.isaactfm.com "Don't move! He can't see us if we don't move!" - Alan Grant Come to the spring that is The Fossil Forum, where the stream of warmth and knowledge never runs dry. Link to comment Share on other sites More sharing options...
FranzBernhard Posted March 23, 2021 Share Posted March 23, 2021 In my opinion, a tooth in matrix - its home - is much more appealing than a tooth without matrix. If you like to dissolve other pieces of limestone, please notice, that even vinegar will etch a tooth during prolonged exposure. Franz Bernhard 1 Link to comment Share on other sites More sharing options...
IsaacTheFossilMan Posted March 23, 2021 Author Share Posted March 23, 2021 1 minute ago, FranzBernhard said: In my opinion, a tooth in matrix - its home - is much more appealing than a tooth without matrix. If you like to dissolve other pieces of limestone, please notice, that even vinegar will etch a tooth during prolonged exposure. Franz Bernhard Right. Will there be any more teeth in the matrix, do you think? Thanks for the tip - I'm glad I didn't learn that the hard way! ~ Isaac; www.isaactfm.com "Don't move! He can't see us if we don't move!" - Alan Grant Come to the spring that is The Fossil Forum, where the stream of warmth and knowledge never runs dry. Link to comment Share on other sites More sharing options...
FranzBernhard Posted March 24, 2021 Share Posted March 24, 2021 10 hours ago, IsaacTheFossilMan said: Will there be any more teeth in the matrix, do you think? I have no experience with this material. It depends on how abundant teeth are in general in this formation. And if they tend to be concentrated in "pockets" in this formation. Maybe some of the UK members have experience with this material? Do you have any literature about teeth in this formation? Just to get an idea about the general abundance of teeth there, possible "pockets", etc. Franz Bernhard 1 Link to comment Share on other sites More sharing options...
IsaacTheFossilMan Posted March 24, 2021 Author Share Posted March 24, 2021 5 hours ago, FranzBernhard said: I have no experience with this material. It depends on how abundant teeth are in general in this formation. And if they tend to be concentrated in "pockets" in this formation. Maybe some of the UK members have experience with this material? Do you have any literature about teeth in this formation? Just to get an idea about the general abundance of teeth there, possible "pockets", etc. Franz Bernhard Gotcha. I'm new to this vertebrate stuff, so if any UK members would care to help, I'd be very grateful! Any links to papers would also be much appreciated, cheers! ~ Isaac; www.isaactfm.com "Don't move! He can't see us if we don't move!" - Alan Grant Come to the spring that is The Fossil Forum, where the stream of warmth and knowledge never runs dry. Link to comment Share on other sites More sharing options...
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