drbush Posted November 18, 2018 Share Posted November 18, 2018 Dear friends can you help me with this? I went last week end to Rmah city area , 50 km to the north of Riyadh ,the area is Cretaceous , Aruma formation . It was a surface find, it is large ,looks like a nautilus ? it is 15 cm long and 11cm high . Link to comment Share on other sites More sharing options...
doushantuo Posted November 18, 2018 Share Posted November 18, 2018 I am not the greatest at Id-ing,but possibly Carinonautilus? Link to comment Share on other sites More sharing options...
caterpillar Posted November 18, 2018 Share Posted November 18, 2018 Nautilus for sure http://www.paleotheque.fr Link to comment Share on other sites More sharing options...
drbush Posted November 18, 2018 Author Share Posted November 18, 2018 what sp. Link to comment Share on other sites More sharing options...
Ludwigia Posted November 18, 2018 Share Posted November 18, 2018 Definitely nautilus, but sp. not easy without expert eyes. Ask Patrick Branger in Facebook Cephalopod Group. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Tidgy's Dad Posted November 18, 2018 Share Posted November 18, 2018 Very nice nautilus. Life's Good! Tortoise Friend. Link to comment Share on other sites More sharing options...
DeepTimeIsotopes Posted November 18, 2018 Share Posted November 18, 2018 You can tell the basic groups apart by the suture patterns on the shell. Each dot is 50,000,000 years: Hadean............Archean..............................Proterozoic.......................................Phanerozoic........... Paleo......Meso....Ceno.. Ꞓ.OSD.C.P.Tr.J.K..Pg.NgQ< You are here Doesn't time just fly by? Link to comment Share on other sites More sharing options...
drbush Posted November 19, 2018 Author Share Posted November 19, 2018 Thank you all for the informative information Link to comment Share on other sites More sharing options...
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