Cepphus fossil map
Where fossils of Cepphus have been found, shown on the Earth as it looked about 0 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 0 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Prehistoric birds |
|---|---|
| Lived | 11.63 million years ago to the present (Tortonian to Holocene) |
| Periods | Neogene, Quaternary |
| Family | Alcidae |
| Named by | Moehring 1758 |
| Fossil records | 32 occurrences at 26 locations (PBDB) |
| Found in | United States, Canada, Japan, Ă…land Islands, Greenland, United Kingdom, Norway, Finland |
| Rock formations | txn:39605, San Mateo, Monterey, Red Crag |
About Cepphus
Cepphus is a genus of seabirds in the auk family also referred to as guillemots by association with the related genus Uria, or tysties, from the Old Norse name for C. grylle.
Text in “About” is quoted from the Wikipedia article Cepphus (revision 1380578538), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q132913.
