sweeneyb Posted May 31, 2009 Share Posted May 31, 2009 Had some more time today to go through the giant pile of dirt I brought back from Aurora and need most of them ID. Thanks in advance! Link to comment Share on other sites More sharing options...
mommabetts Posted May 31, 2009 Share Posted May 31, 2009 Very nice Link to comment Share on other sites More sharing options...
Northern Sharks Posted May 31, 2009 Share Posted May 31, 2009 Try Elasmo.com and see what you can come up with. #6 looks to be a Hemipristis serra symphyseal tooth, the rest you can probably ID yourself from that website There's no limit to what you can accomplish when you're supposed to be doing something else Link to comment Share on other sites More sharing options...
sweeneyb Posted May 31, 2009 Author Share Posted May 31, 2009 Try Elasmo.com and see what you can come up with. #6 looks to be a Hemipristis serra symphyseal tooth, the rest you can probably ID yourself from that website I tried to ID the teeth using Elasmo but didnt have too much luck its a lot harder with the smaller teeth lol. Link to comment Share on other sites More sharing options...
obsessed1 Posted June 1, 2009 Share Posted June 1, 2009 Yes, Iding teeth especially the smaller ones takes lots of practice and work. I have been collecting for years and I still have some groups of teeth that are labeled things such as "Sand Tiger like". Depending on tooth position,wear and possible pathological differences some teeth you may never be able to ID positively. Here is a link to a "key" for IDing Shark teeth. I hope it helps. http://paleobiology.si.edu/pdfs/sharktoothKey.pdf Link to comment Share on other sites More sharing options...
Northern Sharks Posted June 1, 2009 Share Posted June 1, 2009 Here goes nothing then. #1- I dunno, #2 are Carcharhinus, maybe C. macloti, #3 Rhizoprioinodon acutus, #4 could be a lot of species, #5 I think is the Hemi symphyseal, # 6 Galeocerdo aduncus, #7 looks to be too worn for an accurate ID. It would help if you put something in the pictures as a size reference There's no limit to what you can accomplish when you're supposed to be doing something else Link to comment Share on other sites More sharing options...
bj aurora Posted June 2, 2009 Share Posted June 2, 2009 For what it is worth, I agree with Northern on all his IDs, adding #4 is possibly a C. catticus. I would like to see more pics of #1, is appears to be a portion of a fish jaw, but not like any I have seen before. Link to comment Share on other sites More sharing options...
bj aurora Posted June 2, 2009 Share Posted June 2, 2009 After further study (involving asking the person with the most C. catticus I know), it appears that number 4 might be a reticulata, since catticus do not have double side cusps. Thanks Mako Mama! Link to comment Share on other sites More sharing options...
sweeneyb Posted June 2, 2009 Author Share Posted June 2, 2009 After further study (involving asking the person with the most C. catticus I know), it appears that number 4 might be a reticulata, since catticus do not have double side cusps. Thanks Mako Mama! So #4 is a Odontaspis reticulata? Ill upload more pictures of #1 tonight. Link to comment Share on other sites More sharing options...
sweeneyb Posted June 4, 2009 Author Share Posted June 4, 2009 Attached is a picture of number 1 again. Hopefully these photos work. Link to comment Share on other sites More sharing options...
Auspex Posted June 4, 2009 Share Posted June 4, 2009 It might just be my lousy monitor, but that doesn't look so much like teeth in a jaw as a serrated pincher or annelid jaw of some sort. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
cat shark Posted June 4, 2009 Share Posted June 4, 2009 Does it resemble any shell material? It looks like it might be a small fragment of shell possibly around the outer edge of a bivalve. Link to comment Share on other sites More sharing options...
sloth Posted June 5, 2009 Share Posted June 5, 2009 I think #1 might be a a fish spine, maybe from a catfish. Link to comment Share on other sites More sharing options...
Hieronymus Posted June 5, 2009 Share Posted June 5, 2009 It's a ray spine... check: http://www.discoveringfossils.co.uk/bracklesham_fossil21.jpg and: http://www.fossiliferous.co.uk/RY%20849.jpg http://rhaetianlorraine.webs.com/ Link to comment Share on other sites More sharing options...
Northern Sharks Posted June 5, 2009 Share Posted June 5, 2009 The teeth are only on the one side, unless the other side is damaged. That would rule out a stingray spine There's no limit to what you can accomplish when you're supposed to be doing something else Link to comment Share on other sites More sharing options...
bmorefossil Posted June 5, 2009 Share Posted June 5, 2009 i was going with shell when i first saw this but now im not sure, its either shell or fish. Its not a tail barb Link to comment Share on other sites More sharing options...
Hieronymus Posted June 5, 2009 Share Posted June 5, 2009 The teeth are only on the one side, unless the other side is damaged. That would rule out a stingray spine I've got a number of highly eroded specimens from Belgium, also "teeth" on only one side but those spines are a lot more eroded than this thing. The other side seems to be damaged. Might be piece of a shell. Better pictures will clear things up. http://rhaetianlorraine.webs.com/ Link to comment Share on other sites More sharing options...
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