Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales
Toothed cetacean (Odontoceti) lineages in the Miocene and Pliocene evolved rostra that are proportionally more elongate than any other aquatic mammal or reptile, living or extinct. Their similarities in cranial proportions to billfish may suggest a convergent feeding style, where the rostrum is swep...
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ftdryad:oai:v1.datadryad.org:10255/dryad.190325 2023-05-15T18:33:29+02:00 Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales McCurry, Matthew R. Pyenson, Nicholas D. 2018-08-21T20:27:01Z http://hdl.handle.net/10255/dryad.190325 https://doi.org/10.5061/dryad.233771m unknown doi:10.5061/dryad.233771m/1 doi:10.5061/dryad.233771m/2 doi:10.1017/pab.2018.33 doi:10.5061/dryad.233771m McCurry MR, Pyenson ND (2019) Hyper-longirostry and kinematic disparity in extinct toothed whales. Paleobiology 45(01): 21-29. http://hdl.handle.net/10255/dryad.190325 Article 2018 ftdryad https://doi.org/10.5061/dryad.233771m https://doi.org/10.5061/dryad.233771m/1 https://doi.org/10.5061/dryad.233771m/2 https://doi.org/10.1017/pab.2018.33 2020-01-01T16:14:45Z Toothed cetacean (Odontoceti) lineages in the Miocene and Pliocene evolved rostra that are proportionally more elongate than any other aquatic mammal or reptile, living or extinct. Their similarities in cranial proportions to billfish may suggest a convergent feeding style, where the rostrum is swept through the water to hit and stun prey. Here we calculated second moment of area from rostral cross-sections of these fossil odontocete taxa, as well as from extant ecological analogues, to infer variation in feeding behavior. Our results show that the extremely long rostra of extinct toothed whales vary considerably in functionally relevant measures of shape, and likely exhibited a diversity of feeding behaviors, ranging from those similar to modern odontocetes to those convergent with billfish. Eustatic sea-level and temperature maxima of the Miocene likely led to changes in prey characteristics or abundance that enabled the repeated evolution of this extreme morphotype, which later went extinct during late Pliocene climatic deterioration. Article in Journal/Newspaper toothed whales Dryad Digital Repository (Duke University) |
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Dryad Digital Repository (Duke University) |
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description |
Toothed cetacean (Odontoceti) lineages in the Miocene and Pliocene evolved rostra that are proportionally more elongate than any other aquatic mammal or reptile, living or extinct. Their similarities in cranial proportions to billfish may suggest a convergent feeding style, where the rostrum is swept through the water to hit and stun prey. Here we calculated second moment of area from rostral cross-sections of these fossil odontocete taxa, as well as from extant ecological analogues, to infer variation in feeding behavior. Our results show that the extremely long rostra of extinct toothed whales vary considerably in functionally relevant measures of shape, and likely exhibited a diversity of feeding behaviors, ranging from those similar to modern odontocetes to those convergent with billfish. Eustatic sea-level and temperature maxima of the Miocene likely led to changes in prey characteristics or abundance that enabled the repeated evolution of this extreme morphotype, which later went extinct during late Pliocene climatic deterioration. |
format |
Article in Journal/Newspaper |
author |
McCurry, Matthew R. Pyenson, Nicholas D. |
spellingShingle |
McCurry, Matthew R. Pyenson, Nicholas D. Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
author_facet |
McCurry, Matthew R. Pyenson, Nicholas D. |
author_sort |
McCurry, Matthew R. |
title |
Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
title_short |
Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
title_full |
Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
title_fullStr |
Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
title_full_unstemmed |
Data from: Hyper-longirostry and kinematic disparity in extinct toothed whales |
title_sort |
data from: hyper-longirostry and kinematic disparity in extinct toothed whales |
publishDate |
2018 |
url |
http://hdl.handle.net/10255/dryad.190325 https://doi.org/10.5061/dryad.233771m |
genre |
toothed whales |
genre_facet |
toothed whales |
op_relation |
doi:10.5061/dryad.233771m/1 doi:10.5061/dryad.233771m/2 doi:10.1017/pab.2018.33 doi:10.5061/dryad.233771m McCurry MR, Pyenson ND (2019) Hyper-longirostry and kinematic disparity in extinct toothed whales. Paleobiology 45(01): 21-29. http://hdl.handle.net/10255/dryad.190325 |
op_doi |
https://doi.org/10.5061/dryad.233771m https://doi.org/10.5061/dryad.233771m/1 https://doi.org/10.5061/dryad.233771m/2 https://doi.org/10.1017/pab.2018.33 |
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1766218088055832576 |