Search the Community
Showing results for tags 'sirenian'.
-
Below are two Pleistocene mammal teeth from "river gravels" in Florida. I have to further information on their age or locality, unfortunately. The left was merely identified as a "mammal tooth", and I strongly suspect it is from Trichechus manatus, but I have very little experience with mammal dentition and as such thought it would be best to check with someone with greater expertise in the field first. The right tooth was identified as a "peccary tooth", but given the fact that a number of tayassuids were present in Pleistocene Florida I wondered if the tooth could be identified to a genus, or better yet a species level. I will now take the liberty of "@ing in" a few people: @Harry Pristis and @Shellseeker Thanks in advance for any proposed ID's Othniel
- 14 replies
-
I found this tooth a while back in a small private agricultural marl pit I have been hunting for a few years. It is Eocene Castle Hayne Formation in eastern North Carolina. This pit has produced roughly 26 species of Eocene sharks, including multiple Hexanchus, C. auricualtus up to 3 1/2 inches; sea snake verts, large amounts of Pristis fossils among other items. It also has yielded multiple archaeocete whale teeth and verts. I originally thought this was a small whale tooth, but it just didnt seem right to call it whale. In Oct. at the annual NCFC Fossil Fair in Hickory N.C. I had it on display. Retired Smithsonian Paleontologist Dave Bohaska said he thought it was "sea cow" He took multiple pics of it, but I am still awaiting his replies. I have been doing some research on line when I came upon this archived thread. What do you guys think? @siteseer @Boesse Adding pics in next post
- 5 replies
-
- 1
-
- castle hayne fm
- dugong
- (and 4 more)
-
Made my first fossil hunting trip to South Carolina, went to some areas around Summerville, thought I’d share pics of some of the fossils I collected! The best finds were some echovenator-like teeth, Angies, great whites, some intact sections of dugong ribs, and several associated pieces of a sea turtle shell. Felt like Indiana Jones exploring all the creeks trying to find productive spots haha. Fun trip, hope to return in the future!
- 7 replies
-
- 5
-
- angustiden
- ashley formation
- (and 16 more)
-
Can I get help identifying this? I found on a fossil dig at a land site in Summerville, SC. My guide thought it was a mammoth tusk. But after getting home and cleaning, I do not see schreger lines. So I believe it may be a dugong rib, but am not certain.
- 3 replies
-
- land dig
- oligocene-miocene charleston
-
(and 2 more)
Tagged with:
-
I found this bone in the san sebastian limestone, in Puerto Rico. I always find interesting fossils there, but this is the first bone I collect. There have been skeletons of extinct sirenia found in this exact same place, so maybe it could actually a fossilized bone from an extinct species. I have no clue when it comes to bones though, so an expert is highly apreciated.
- 15 replies
-
From the album: BONES
A pair, left and right, of dugongid periotics. These are bones of the internal ear. Mio-Pliocene of Hardee County, Florida. Compare to Metaxytherium sp. Discussion and more images at: http://www.thefossil...se/?hl=dugongid© ©Harry Pristis 2016
- 1 comment
-
- dugong petrosal
- ear bones
-
(and 1 more)
Tagged with:
-
I thought I would bring in the forum on a difference of opinion among a few collectors. Attached are views of a specimen identified as a Metaxytherium tusk (late Miocene, Bone Valley Formation, unnamed phosphate mine, Polk County, Florida) by one experienced Florida collector and another collector familiar with a range of marine mammal fossils. Two other experienced Florida collectors leaned toward an ID of whale tooth. The specimen resembles one in Domning (1988: p. 409, fig. 7) which was identified as a Metaxytherium tusk. The specimen in question is straight like a tusk with an enamel-coated crown with a constriction toward the tip as in the figure. I've looked for a similar specimen labelled as a whale tooth in various publications (Richard Hulbert's "Fossil Vertebrates of Florida; the Lee Creek volume that covers mammals, etc.) but couldn't find one. Metaxytherium was a "sea cow" or dugong relative that lived during the Miocene - a time when sea cows were more diverse and widespread than they are today. The Florida collector who thought it was a Metaxytherium tusk pointed out the enamel texture and its laterally-compressed overall form was the same as a tusk. The other Florida collectors didn't point out any particular feature to count it out as a Metaxytherium tusk - just didn't look right to them. I can understand having difficulty articulating an overall impression. Those two guys know Florida fossils so I respect their opinions. I'm interested in reading what other collectors think - especially all the Florida/Bone Valley collectors out there. I'll try to get a scan of the figure in the Domning article and attach it - couldn't find a pdf in a quick search. Thanks, Jess Domning, D. P. 1988. Fossil Sirenia of the West Atlantic and Caribbean region. I. Metaxytherium floridanum Hay, 1922. Journal of Vertebrate Paleontology 8:395–426.
-
From the album: TEETH & JAWS
This one is the smallest dugong tooth in my drawer; most are substantially larger. Manatee teeth are not rare among Florida fossils. Dugong teeth are not common. (This image is best viewed by clicking on the button on the upper right of this page => "other sizes" => "large".)© Harry Pristis 2015
-
- florida fossil
- metaxytherium
-
(and 2 more)
Tagged with: