| Colymbiculus Temporal range:
| |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Gaviiformes |
| Genus: | †Colymbiculus Mayr and Zvonok 2011 |
| Type species | |
| †Colymbiculus udovichenkoi | |
Colymbiculus is an extinct genus of loon that lived in Novopskov, Ukraine in the Eocene.[1]
- ^ Mayr, G.; E. Zvonok (2011). "Middle Eocene Pelagornithidae and Gaviiformes (Aves) from the Ukrainian Paratethys". Palaeontology. 54 (6): 1347–1359. Bibcode:2011Palgy..54.1347M. doi:10.1111/j.1475-4983.2011.01109.x.