A Comparison of Fossils of the Two Whale Families: Physeteridae and Monodentidae (Cetacea)

Pankaj S. Bhatnagar


Whales are a group of marine creatures that have elicited scientific and layman’s curiosity since long. The present paper has a focus on elucidating fossils of two Odontoceti families viz. Physeteridae and Monodentidae. Extant Physeteridae is a monotypic family, while Monodentidae is restricted geographically to cold waters of the Arctic and adjoining seas. Physeteridae fossil data showed a total of 28 species, while Monodentidae had only half a dozen species. Warming of the climate in the past appears to have played a role in northward migration of Monodentids.

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ISSN 1684 (print edition), ISSN 2225-4994 (online edition)