Calpionella

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]

Calpionella
Temporal range: Late Jurassic-Early Cretaceous
~
Scientific classification
Domain:
Eukaryota
(unranked):
SAR
(unranked):
Alveolata
Family:
Calpionellidae
Genus:
Calpionella

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

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
  • Guasasa Formation, Cuba
  • Stramberk Formation, Czech Republic
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. Calpionella at Fossilworks.org
  2. Bolli, Hans M.; Saunders, John B.; Fancett, Katharina Perch-Nielsen, eds. (1989). Plankton stratigraphy (1st paperback ed.). Cambridge [Cambridgeshire]: Cambridge University Press. ISBN 978-0521367196.
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