Diacalymene

Diacalymene
Temporal range: Late Ordovician-Silurian
~445.6–418.7 Ma
Diacalymene gabrielsi from Sommerset Island, Canada
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: †Artiopoda
Class: †Trilobita
Order: †Phacopida
Family: †Calymenidae
Genus: †Diacalymene
Kegel, 1927
Type species
Calymene diademata
Barrande, 1846 

Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. clavicula, D. diademata and D. gabrielsi. It lived in the Ordovician and Silurian periods.

Distribution

Fossils of the genus have been found in:

Ordovician
Silurian

References

  1. 1 2 3 Jonathan M. Adrain and Gregory D. Edgecombe (1997). "Silurian (Wenlock) calymenid trilobites from the Cape Phillips Formation, central Canadian Arctic" (PDF). Journal of Paleontology. 71 (4): 657–682. Bibcode:1997JPal...71..657A. doi:10.1017/S0022336000040130. JSTOR 1306585. S2CID 131835921.
  2. ↑ Riccardo Levi-Setti (1995). Trilobites (2nd ed.). University of Chicago Press. ISBN 978-0-226-47452-6.
  3. ↑ Pierre J. Lespérance (1968). "Ordovician and Silurian trilobite faunas of the White Head Formation, Percé Region, Québec". Journal of Paleontology. 42 (3): 811–826. JSTOR 1302377.
  4. ↑ Diacalymene at Fossilworks.org