• Source: Vericeras
  • Vericeras is an extinct genus of nautiloid cephalopod that lived in what would be Europe during the Silurian from 421—418.7 mya, existing for approximately 2.3 million years.


    Taxonomy


    The type species, V. ambigena, was originally described by Joachim Barrande as "Orthoceras ambigena. Vericeras was assigned to Orthocerida by Sepkoski (2002).


    Morphology


    The shell is an elongated orthocone with fine, longitudinal ribbing, very similar to the shells of its sister genus, Arionoceras.


    Fossil distribution


    Fossil distribution is exclusive to Silurian marine strata in Sardinia.


    References

Kata Kunci Pencarian: