Glaucabalaena fossil map
Where fossils of Glaucabalaena have been found, shown on the Earth as it looked about 5 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 5 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 | Early mammals |
|---|---|
| Lived | 3.6–2.58 million years ago (Piacenzian) |
| Periods | Neogene |
| Family | Eschrichtiidae |
| Named by | Bisconti et al. 2024 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Italy |
| Rock formations | Sabbie di Asti |
About Glaucabalaena
Glaucabalaena is an extinct genus of gray whale that lived during the Pliocene epoch. The genus is known from a single species, Glaucabalaena inopinata, which was described in 2024 by Michelangelo Bisconti and colleagues based on the holotype specimen MGPT-PU 19512. This specimen consists of fragments of the skull and mandible, and was recovered from the Sabbie d'Asti Formation of Piedmont, Italy.
Text in “About” is quoted from the Wikipedia article Glaucabalaena (revision 1328612788), 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: Q134029608.