Cranial Anatomy of Middle Eocene Remingtonocetus (Cetacea, Mammalia) from Kutch, India

S. Bajpai; J. G. M. Thewissen; R. W. Conley

doi:10.1666/10-128.1

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1 July 2011 Cranial Anatomy of Middle Eocene Remingtonocetus (Cetacea, Mammalia) from Kutch, India

S. Bajpai, J. G. M. Thewissen, R. W. Conley

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J. of Paleontology, 85(4):703-718 (2011). https://doi.org/10.1666/10-128.1

Abstract

The family Remingtonocetidae is a basal family of Eocene cetaceans only known from near shore marine environments of India and Pakistan. We describe a new skull for Remingtonocetus harudiensis which elucidates the anatomy and functional morphology of the head and provides new details on cranial cavity and nasopharyngeal region. We suggest that Remingtonocetus was an ambush predator that hunted from a perch on the ocean floor, and that hearing was its most important sense. We speculate that the greatly elongated rostrum is an adaptation for water retention because these are some of the earliest whales living in seawater.

Citation Download Citation

S. Bajpai, J. G. M. Thewissen, and R. W. Conley "Cranial Anatomy of Middle Eocene Remingtonocetus (Cetacea, Mammalia) from Kutch, India," Journal of Paleontology 85(4), 703-718, (1 July 2011). https://doi.org/10.1666/10-128.1

Accepted: 1 March 2011; Published: 1 July 2011

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