Coosella helena is an extinct marine species of trilobite from the middle to upper Cambrian period.[1] Fossils of this species can be found in North America, specifically, Canada.[1] This specific species of trilobite was discovered by Christina Lochman-Balk on the St. George Peninsula of Newfoundland in 1938.[2]

Coosella helena
Temporal range: Middle Cambrian–Late Cambrian
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
C. helena
Binomial name
Coosella helena
Lochman 1938

The Peabody Museum of Natural History holds both the holotype as well as 16 paratype specimens.[3]

Fossil samples can be found in the fossil collection of Mount Holyoke College in South Hadley, Massachusetts, where Lochman-Balk used to teach as an associate professor (1935-1947).

See also

edit

References

edit
  1. ^ a b "Coosella helena; YPM IP 015814 (HOLOTYPE); North America; Canada; Newfoundland; St George Peninsula; zone 24, Marsh Point Section, to the E along shore, St. George Peninsula, western Newfoundland; Carl O. Dunbar, Edward I. Leith; 1933". collections.peabody.yale.edu. Retrieved 5 January 2019.
  2. ^ "PBDB". paleobiodb.org. Retrieved 2018-11-18.
  3. ^ "Search Results - Coosella helena Lochman". collections.peabody.yale.edu. Retrieved 5 January 2019.