The bony labyrinth of toothed whales reflects both phylogeny and habitat preferences

L Costeur, C Grohé, G Aguirre-Fernández, E Ekdale… - Scientific Reports, 2018 - nature.com
The inner ear of toothed whales (odontocetes) is known to have evolved particular shapes
related to their abilities to echolocate and move under water. While the origin of these …

Evidence for convergent evolution of ultrasonic hearing in toothed whales (Cetacea: Odontoceti)

RA Racicot, RW Boessenecker… - Biology …, 2019 - royalsocietypublishing.org
Toothed whales (Cetacea: Odontoceti) are the most diverse group of modern cetaceans,
originating during the Eocene/Oligocene transition approximately 38 Ma. All extant …

Convergent evolution in toothed whale cochleae

T Park, B Mennecart, L Costeur, C Grohé… - BMC Evolutionary …, 2019 - Springer
Background Odontocetes (toothed whales) are the most species-rich marine mammal
lineage. The catalyst for their evolutionary success is echolocation-a form of biological sonar …

[HTML][HTML] Drivers of morphological evolution in the toothed whale jaw

EJ Coombs, A Knapp, T Park, RF Bennion… - Current Biology, 2024 - cell.com
Toothed whales (odontocetes) emit high-frequency underwater sounds (echolocate)—an
extreme and unique innovation allowing them to sense their prey and environment. Their …

High frequency echolocation, ear morphology, and the marine–freshwater transition: A comparative study of extant and extinct toothed whales

CS Gutstein, CP Figueroa-Bravo, ND Pyenson… - Palaeogeography …, 2014 - Elsevier
This study compares the bony ear morphology of freshwater and marine odontocetes
(toothed whales). Odontocetes are unique among marine mammals in two important …

Morphological variation among the inner ears of extinct and extant baleen whales (Cetacea: Mysticeti)

EG Ekdale - Journal of Morphology, 2016 - Wiley Online Library
Living mysticetes (baleen whales) and odontocetes (toothed whales) differ significantly in
auditory function in that toothed whales are sensitive to high‐frequency and ultrasonic …

Comparative anatomy of the bony labyrinth of extant and extinct porpoises (Cetacea: Phocoenidae)

RA Racicot, W Gearty, N Kohno… - Biological Journal of the …, 2016 - academic.oup.com
The inner ear anatomy of cetaceans, now more readily accessible by means of
nondestructive high-resolution X-ray computed tomographic (CT) scanning, provides a …

Early development and orientation of the acoustic funnel provides insight into the evolution of sound reception pathways in cetaceans

M Yamato, ND Pyenson - PloS one, 2015 - journals.plos.org
Whales receive underwater sounds through a fundamentally different mechanism than their
close terrestrial relatives. Instead of hearing through the ear canal, cetaceans hear through …

Evolution of whale sensory ecology: frontiers in nondestructive anatomical investigations

R Racicot - The Anatomical Record, 2022 - Wiley Online Library
Studies surrounding the evolution of sensory system anatomy in cetaceans over the last~
100 years have shed light on aspects of the early evolution of hearing sensitivities, the small …

Ultrasonic hearing and echolocation in the earliest toothed whales

T Park, EMG Fitzgerald, AR Evans - Biology Letters, 2016 - royalsocietypublishing.org
The evolution of biosonar (production of high-frequency sound and reception of its echo)
was a key innovation of toothed whales and dolphins (Odontoceti) that facilitated …