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
~145.5–136 Ma
Scientific classification
Domain:
(unranked):
(unranked):
Family:
Genus:
Calpionella

Lorenz, 1902
Species

Etymology

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

Biostratigraphic significance

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

Distribution

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

Jurassic
Cretaceous

References

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  1. ^ a b 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.