Paraspheroolithus irenensis
species · (Chao and Chiang 1974) · accepted · extinct
11 fossil sites · 6 formations · 2 countries
Lived when
Cretaceous – Paleogene
100.5–66 million years ago
Found where
2 countries
6 rock formations
Fossil record
11 sites
0 catalogued specimens
Inside this group
Immediate children
- Terminal taxon — no children recorded.
Did you know
Facts from the record
- Its fossils span about 35 million years, from 100.5 to 66 million years ago.
- The youngest known fossil is around 66 million years old — that is roughly 220 times further back than the whole of human history.
- Paraspheroolithus irenensis was named in 1974 ((Chao and Chiang 1974)) — 52 years ago.
- Fossils have been recorded in 2 countries and 6 named rock formations.
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Where next
Data from the Paleobiology Database (CC BY 4.0).