Le Ouistiti Posted June 18, 2022 Share Posted June 18, 2022 Hello everyone, i saw this mid caudal vert from the Kem Kem on a seller website and i directly understand that it can’t pertain to spinosaurus ; so i compared it with caudals from Ouranosaurus and titanosaurs and i see similarities but i need other opinions to be able to decide for the identification. The first image is the vert from the Kem Kem, the secound is caudals of Tambatitanis (a titanosaur) and the third is a caudal from the Venice Ouranosaurus specimen. Link to comment Share on other sites More sharing options...
Troodon Posted June 18, 2022 Share Posted June 18, 2022 There are only two herbivores described from the KK Group Rebbachisaurus and an indeterminate Titanosaurid that could possibly fit that vertebra. No Hadrosauriformes have yet to be identified. We have very limited material to compare against on both. The only caudal known on the Titanosaurid is this one and its more of a distal one. ( Ibrahim et al. 2016 ) Caudals are not known from KK's Rebbachisaurus but if you compare it to its South American cousin it does not look like a good match.(Calvo et al. 1995) Your vertebra does seem to have affinities to those shown in the Titanosaurid Tambatitanis so it might be an indeterminate Titanosaurid. Link to comment Share on other sites More sharing options...
doushantuo Posted June 18, 2022 Share Posted June 18, 2022 (edited) images from: The Venice specimen of Ouranosaurus nigeriensis (Dinosauria, Ornithopoda) Filippo Bertozzo, Fabio Marco Dalla Vecchia, and Matteo Fabbri Edited June 18, 2022 by doushantuo Link to comment Share on other sites More sharing options...
doushantuo Posted June 18, 2022 Share Posted June 18, 2022 (edited) fig 10 in troodon's post from: rebbachisaurus.pdf GAlA N° 11, REBBACHISAURUS TESSONEI SP. NOV. A NEW SAUROPODA FROM THE ALBIAN-CENOMANIAN OF ARGENTINA; NEW EVIDENCE ON THE ORIGIN OF THE DIPLODOCIDAE Jorge O. CALVO Leonardo SALGADO Edited June 18, 2022 by doushantuo Link to comment Share on other sites More sharing options...
BioBob Posted June 30, 2022 Share Posted June 30, 2022 Looks like a carcharodontosaur caudal vertebra. See Concavenator for comparison. Link to comment Share on other sites More sharing options...
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