Kingdom Animalia Class Cephalopoda Order †Goniatitida Rank Genus | Phylum Mollusca Subclass †Ammonoidea Family †Tornoceratidae | |
Truyolsoceras is an Upper Devonian ammonite (subclass Ammonoidea) included in the goniatitid subfamily Aulatornoceratinae. The shell is involute, lenticular, with a narrow umbilicus and moderately high aperture. The adventitious lobe of the suture, which lies between the vental and lateral lobes, is rounded.
References
Truyolsoceras Wikipedia(Text) CC BY-SA