''Calpionellites'' is an extinct genus of single celled eukaryotes.''Calpionellites''
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cre ...

.org Their fossils are found in rocks dating to the

Valanginian In the geologic timescale, the Valanginian is an age or stage of the Early or Lower Cretaceous. It spans between 139.8 ± 3.0 Ma and 132.9 ± 2.0 Ma (million years ago). The Valanginian Stage succeeds the Berriasian Stage of the Lower Cretac ...

stage of the

Early Cretaceous The Early Cretaceous (geochronological name) or the Lower Cretaceous ( chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous. It is usually considered to stretch from 145 Ma to 100.5 Ma. Geology Pr ...

Biostratigraphic significance

The first occurrence of the species ''Calpionellites darderi'' marks the beginning of the

and thus end of the

Berriasian In the geological timescale, the Berriasian is an age/ stage of the Early/Lower Cretaceous. It is the oldest subdivision in the entire Cretaceous. It has been taken to span the time between 145.0 ± 4.0 Ma and 139.8 ± 3.0 Ma (million years a ...

Distribution

Fossils of the genus have been found in: *

Puke Vomiting (also known as emesis and throwing up) is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting can be the result of ailments like food poisoning, gastroenteritis ...

, Albania *

Steinmühl Formation The Steinmühl Formation is a geologic formation in Austria. It preserves fossils A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bo ...

, Austria *

Guasasa Formation The Guasasa Formation is a geologic formation in Cuba. It is Tithonian to Early Valanginian in age and contains fossils of ammonites. Description It primarily consists of limestone. See also * List of fossiliferous stratigraphic units in C ...

, Cuba *

Lake Rożnów Lake Rożnow ( pl, Jezioro Rożnowskie) is an artificial lake, built in 1935–1941. It is located in southernmost part of Poland (Lesser Poland Voivodeship). The lake was built in the interwar period to regulate the Dunajec river flowing th ...

, Poland * Lapos Formation, Romania * Miravetes and Tollo Formations, Spain

References

{{Taxonbar, from=Q105063164 Alveolata genera Prehistoric SAR supergroup genera Index fossils Early Cretaceous first appearances Early Cretaceous extinctions Fossils of Albania Cretaceous Austria Fossils of Austria Cretaceous Cuba Fossils of Cuba Fossils of Poland Cretaceous Romania Fossils of Romania Cretaceous Spain Fossils of Spain