Biology:Diacalymene

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Diacalymene
Temporal range: Late Ordovician-Silurian
~445.6–418.7 Ma
Trilobit diacalymene 2ps vistafrontal.jpg
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Calymenidae
Genus: Diacalymene
Kegel, 1927
Type species
Calymene diademata
Barrande, 1846 [1]

Diacalymene is a genus of trilobite from the order Phacopida, suborder Calymenina. It includes the species D. ouzregui, D. clavicula,[2] D. diademata and D. gabrielsi.[1] It lived in the Ordovician[3] and Silurian periods.[1]

Distribution

Fossils of the genus have been found in:[4]

Ordovician
  • Cabano, Jupiter and White Head Formations, Quebec, Canada
  • Ktaoua Formation, Morocco
  • Dufton Shale, United Kingdom
Silurian

References

  1. 1.0 1.1 1.2 Jonathan M. Adrain and Gregory D. Edgecombe (1997). "Silurian (Wenlock) calymenid trilobites from the Cape Phillips Formation, central Canadian Arctic". Journal of Paleontology 71 (4): 657–682. doi:10.1017/S0022336000040130. Bibcode1997JPal...71..657A. http://www.nhm.ac.uk/resources-rx/files/adrain--edgecombe-1997-calymenids-94138.pdf. 
  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. 
  4. Diacalymene at Fossilworks.org

Wikidata ☰ Q5270211 entry