Janjucetus hunderi Variant:Primed lateral bony expansions

lateral bony expansions

Width: 24 mm

Las estimaciones sobre su tamaño varían

Scale  1:35 - 57mm

but advanced in their locomotion and predatory adaptations

Janjucetus hunderi Variant:Primed lateral bony expansionsJanjucetus hunderi was an archaeocete cetacean from the Early Oligocene, dated to approximately 25 million years ago, whose remains come from southeastern Australia. It belongs to a basal lineage within Mysticeti (baleen whales), but retains a complete set of functional teeth, making it a key taxon for understanding the evolutionary transition from toothed cetaceans to toothless filter feeders. It was a relatively small whale compared to modern baleen