Biology:Calpionella

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Short description: Genus of protists


Calpionella
Temporal range: Late Jurassic-Early Cretaceous
~145.5–136 Ma
Scientific classification
Domain:
Eukaryota
(unranked):
(unranked):
Alveolata
Family:
Genus:
Calpionella

Lorenz, 1902
Species
  • C. alpina Lorenz, 1902
  • C. elliptica Cadisch, 1932

Calpionella is an extinct genus of calpionellid, a group of single celled eukaryotes.[1] Their fossils are found in rocks of Upper Jurassic to Lower Cretaceous age.[2]

Etymology

The name is derived from the Greek "κάλπις", meaning "water jug".

Biostratigraphic significance

The first occurrence of the species Calpionella alpina marks the beginning of the Berriasian and thus Cretaceous.

Distribution

Fossils of the genus have been found in:[1]

Jurassic
Cretaceous
  • Puke, Albania
  • Argiles de Ghriss Formation, Algeria
  • Steinmühl Formation, Austria
  • Abenaki Formation, Nova Scotia, Canada
  • Guasasa Formation, Cuba
  • Lake Rożnów, Poland
  • Lapos Formation, Romania
  • Miravetes and Tollo Formations, Spain

References

  1. 1.0 1.1 Calpionella at Fossilworks.org
  2. Bolli, Hans M., ed (1989). Plankton stratigraphy (1st paperback ed.). Cambridge [Cambridgeshire]: Cambridge University Press. ISBN 978-0521367196. 

Wikidata ☰ Q5023918 entry