Calpionella

Calpionella; Temporal range: Late Jurassic-Early Cretaceous; ~145.5–136 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Alveolata
Family:	Calpionellidae
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".

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

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

^ ^a ^b Calpionella at Fossilworks.org
^ 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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