Olenekoceras is an ammonoid cephalopod from the Lower Triassic included in the ceratitid family Sibiritidae, once included in the Noritaceae but now in the Ceratitaceae. Japan and the Russian Federation. ... Found on http://en.wikipedia.org/wiki/Olenekoceras
1) Triassic ammonite 
Olenekoceras is an ammonoid cephalopod from the Lower Triassic included in the ceratitid family Sibiritidae, once included in the Noritaceae but now in the Ceratitaceae. Japan and the Russian Federation. ...