The Global Expansion of the Earliest Dolphins
- 演化之聲
- Mar 14
- 4 min read
The dolphin lineage Delphinida represents the most diverse group within the infraorder Cetacea, which includes all whales and dolphins alive today. Among living cetaceans, dolphins alone account for nearly half of all species. Based on my own tally—excluding forms whose taxonomic status remains uncertain—44 of the approximately 90 recognized living cetacean species belong to this dolphin lineage. The extraordinary success of dolphins may be closely linked to one of their early representatives, the genus Kentriodon, which is widely considered to belong near the ancestry of modern dolphins.
Want to read more?
Subscribe to thesoundofevolution.com to keep reading this exclusive post.
