Megabalaena
| Megabalaena Temporal range: Late Miocene (Tortonian),
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|---|---|
| Reconstructed skeleton of the holotype | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Parvorder: | Mysticeti |
| Family: | Balaenidae |
| Genus: | †Megabalaena Tanaka et al., 2025 |
| Species: | †M. sapporoensis
|
| Binomial name | |
| †Megabalaena sapporoensis Tanaka et al., 2025
| |
Megabalaena (lit. '"large Balaena"') is an extinct genus of baleen whales in the family Balaenidae, known from the Toyama Formation of Japan, which dates to the late Miocene epoch (~9 million years ago). The genus contains a single species, Megabalaena sapporoensis, known from a partial skeleton including a partial skull. It likely had a full body length of 12.7 metres (42 ft).