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76 documents - page 1 of 4
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Unexpected decadal density-dependent shifts in California sea lion size, morphology, and foraging niche

Author:
Valenzuela-Toro, Ana  Search this
Costa, Daniel P.  Search this
Mehta, Rita  Search this
Pyenson, Nicholas D.  Search this
Koch, Paul L.  Search this
Object Type:
Smithsonian staff publication
Year:
2023
Citation:
Valenzuela-Toro, Ana, Costa, Daniel P., Mehta, Rita, Pyenson, Nicholas D., and Koch, Paul L. 2023. "Unexpected decadal density-dependent shifts in California sea lion size, morphology, and foraging niche." Current Biology, 33, (10). https://doi.org/10.1016/j.cub.2023.04.026.
Identifier:
168602
DOI:
https://doi.org/10.1016/j.cub.2023.04.026
ISSN:
0960-9822
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_168602
No Image Available

New Holocene grey whale (Eschrichtius robustus) material from North Carolina: the most complete North Atlantic grey whale skeleton to date

Author:
Fleming, Alyson H.  Search this
Pobiner, Briana  Search this
Maynor, Savannah  Search this
Webster, David  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Fleming, Alyson H., Pobiner, Briana, Maynor, Savannah, Webster, David, and Pyenson, Nicholas D. 2022. "New Holocene grey whale (Eschrichtius robustus) material from North Carolina: the most complete North Atlantic grey whale skeleton to date." Royal Society Open Science, 9, (7). https://doi.org/10.1098/rsos.220441.
Identifier:
166040
DOI:
https://doi.org/10.1098/rsos.220441
ISSN:
2054-5703
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_166040
No Image Available

Structure and Function in the Lunge Feeding Apparatus: Mechanical Properties of the Fin Whale Mandible

Author:
Shadwick, Robert E.  Search this
Goldbogen, Jeremy A.  Search this
Pyenson, Nicholas D.  Search this
Whale, James C. A.  Search this
Object Type:
Smithsonian staff publication
Year:
2017
Citation:
Shadwick, Robert E., Goldbogen, Jeremy A., Pyenson, Nicholas D., and Whale, James C. A. 2017. "Structure and Function in the Lunge Feeding Apparatus: Mechanical Properties of the Fin Whale Mandible." Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology, 300, (11) 1953–1962. https://doi.org/10.1002/ar.23647.
Identifier:
144180
DOI:
https://doi.org/10.1002/ar.23647
ISSN:
1932-8486
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_144180
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Norrisanima miocaena, a new generic name and redescription of a stem balaenopteroid mysticete (Mammalia, Cetacea) from the Miocene of California

Author:
Leslie, Matthew S.  Search this
Peredo, Carlos Mauricio  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2019
Citation:
Leslie, Matthew S., Peredo, Carlos Mauricio, and Pyenson, Nicholas D. 2019. "Norrisanima miocaena, a new generic name and redescription of a stem balaenopteroid mysticete (Mammalia, Cetacea) from the Miocene of California." PeerJ, 7 31608165. https://doi.org/10.7717/peerj.7629.
Identifier:
152740
DOI:
https://doi.org/10.7717/peerj.7629
ISSN:
2167-8359
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_152740
No Image Available

Extreme dispersal or human-transport? The enigmatic case of an extralimital freshwater occurrence of a Southern elephant seal from Indiana

Author:
Valenzuela-Toro, Ana M.  Search this
Zicos, Maria H.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2020
Citation:
Valenzuela-Toro, Ana M., Zicos, Maria H., and Pyenson, Nicholas D. 2020. "Extreme dispersal or human-transport? The enigmatic case of an extralimital freshwater occurrence of a Southern elephant seal from Indiana." Peerj, 8 e9665–e9665. https://doi.org/10.7717/peerj.9665.
Identifier:
156949
DOI:
https://doi.org/10.7717/peerj.9665
ISSN:
2167-8359
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_156949
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Feeding morphology and body size shape resource partitioning in an eared seal community

Author:
Valenzuela-Toro, Ana M.  Search this
Mehta, Rita  Search this
Pyenson, Nicholas D.  Search this
Costa, Daniel P.  Search this
Koch, Paul L.  Search this
Object Type:
Smithsonian staff publication
Year:
2023
Citation:
Valenzuela-Toro, Ana M., Mehta, Rita, Pyenson, Nicholas D., Costa, Daniel P., and Koch, Paul L. 2023. "Feeding morphology and body size shape resource partitioning in an eared seal community." Biology Letters, 19, (3). https://doi.org/10.1098/rsbl.2022.0534.
Identifier:
168031
DOI:
https://doi.org/10.1098/rsbl.2022.0534
ISSN:
1744-9561
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_168031
No Image Available

New Seal (Carnivora, Phocidae) Record from the Late Miocene–Pliocene of Guafo Island, Southern Chile

Author:
Valenzuela-Toro, Ana  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Valenzuela-Toro, Ana and Pyenson, Nicholas D. 2022. "New Seal (Carnivora, Phocidae) Record from the Late Miocene–Pliocene of Guafo Island, Southern Chile." Ameghiniana, 59, (5). https://doi.org/10.5710/AMGH.06.07.2022.3498.
Identifier:
168084
DOI:
https://doi.org/10.5710/AMGH.06.07.2022.3498
ISSN:
0002-7014
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_168084
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Lateral palatal foramina do not indicate baleen in fossil whales

Author:
Peredo, Carlos Mauricio  Search this
Pyenson, Nicholas D.  Search this
Uhen, Mark D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Peredo, Carlos Mauricio, Pyenson, Nicholas D., and Uhen, Mark D. 2022. "Lateral palatal foramina do not indicate baleen in fossil whales." Scientific Reports, 12, (1). https://doi.org/10.1038/s41598-022-15684-8.
Identifier:
167864
DOI:
https://doi.org/10.1038/s41598-022-15684-8
ISSN:
2045-2322
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_167864
No Image Available

Fossil Sirenia from the Pleistocene of Qatar: new questions about the antiquity of sea cows in the Gulf Region

Author:
Pyenson, Nicholas D.  Search this
Al-Ansi, Mehsin  Search this
Fieseler, Clare M.  Search this
Al Jaber, Khalid Hassan  Search this
Klim, Katherine D.  Search this
LeBlanc, Jacques  Search this
Mohamed, Ahmad Mujthaba Dheen  Search this
Al-Shaikh, Ismail  Search this
Marshall, Christopher D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Pyenson, Nicholas D., Al-Ansi, Mehsin, Fieseler, Clare M., Al Jaber, Khalid Hassan, Klim, Katherine D., LeBlanc, Jacques, Mohamed, Ahmad Mujthaba Dheen, Al-Shaikh, Ismail, and Marshall, Christopher D. 2022. "Fossil Sirenia from the Pleistocene of Qatar: new questions about the antiquity of sea cows in the Gulf Region." PeerJ, 10. https://doi.org/10.7717/peerj.14075.
Identifier:
167730
DOI:
https://doi.org/10.7717/peerj.14075
ISSN:
2167-8359
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_167730
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Grouping behavior in a Triassic marine apex predator

Author:
Kelley, Neil P.  Search this
Irmis, Randall B.  Search this
dePolo, Paige E.  Search this
Noble, Paula J.  Search this
Montague-Judd, Danielle  Search this
Little, Holly  Search this
Blundell, Jon  Search this
Rasmussen, Cornelia  Search this
Percival, Lawrence M. E.  Search this
Mather, Tamsin A.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Kelley, Neil P., Irmis, Randall B., dePolo, Paige E., Noble, Paula J., Montague-Judd, Danielle, Little, Holly, Blundell, Jon, Rasmussen, Cornelia, Percival, Lawrence M. E., Mather, Tamsin A., and Pyenson, Nicholas D. 2022. "Grouping behavior in a Triassic marine apex predator." Current Biology, 32, (24) 5398–5405.e3. https://doi.org/10.1016/j.cub.2022.11.005.
Identifier:
167794
DOI:
https://doi.org/10.1016/j.cub.2022.11.005
ISSN:
0960-9822
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_167794
No Image Available

The Ecological Rise of Whales Chronicled by the Fossil Record

Author:
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2017
Citation:
Pyenson, Nicholas D. 2017. "The Ecological Rise of Whales Chronicled by the Fossil Record." Current Biology, 27, (11) R558–R564. https://doi.org/10.1016/j.cub.2017.05.001.
Identifier:
143034
DOI:
https://doi.org/10.1016/j.cub.2017.05.001
ISSN:
0960-9822
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_143034
No Image Available

New data from the first discovered paleoparadoxiid (Desmostylia) specimen shed light into the morphological variation of the genus Neoparadoxia

Author:
Matsui, Kumiko  Search this
Valenzuela-Toro, Ana M.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Matsui, Kumiko, Valenzuela-Toro, Ana M., and Pyenson, Nicholas D. 2022. "New data from the first discovered paleoparadoxiid (Desmostylia) specimen shed light into the morphological variation of the genus Neoparadoxia." Scientific Reports, 12, (1). https://doi.org/10.1038/s41598-022-18295-5.
Identifier:
166180
DOI:
https://doi.org/10.1038/s41598-022-18295-5
ISSN:
2045-2322
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_166180
No Image Available

Comment on 'Climate, Critters, and Cetaceans: Cenozoic Drivers of the Evolution of Modern Whales'

Author:
Pyenson, Nicholas D.  Search this
Irmis, Randall B.  Search this
Lipps, Jere H.  Search this
Object Type:
Smithsonian staff publication
Year:
2010
Citation:
Pyenson, Nicholas D., Irmis, Randall B., and Lipps, Jere H. 2010. "Comment on "Climate, Critters, and Cetaceans: Cenozoic Drivers of the Evolution of Modern Whales"." Science, 330, (6001) 178. https://doi.org/10.1126/science.1189866.
Identifier:
93189
DOI:
https://doi.org/10.1126/science.1189866
ISSN:
0036-8075
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_93189
No Image Available

Mechanics, hydrodynamics and energetics of blue whale lunge feeding: efficiency dependence on krill density

Author:
Goldbogen, J. A.  Search this
Calambokidis, J.  Search this
Oleson, E.  Search this
Potvin, J.  Search this
Pyenson, Nicholas D.  Search this
Schorr, G.  Search this
Shadwick, R. E.  Search this
Object Type:
Smithsonian staff publication
Year:
2011
Citation:
Goldbogen, J. A., Calambokidis, J., Oleson, E., Potvin, J., Pyenson, Nicholas D., Schorr, G., and Shadwick, R. E. 2011. "Mechanics, hydrodynamics and energetics of blue whale lunge feeding: efficiency dependence on krill density." Journal of Experimental Biology, 214, (1) 131–146. https://doi.org/10.1242/jeb.048157.
Identifier:
93622
DOI:
https://doi.org/10.1242/jeb.048157
ISSN:
0022-0949
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_93622
No Image Available

Carcasses on the coastline: measuring the ecological fidelity of the cetacean stranding record in eastern North Pacific Ocean

Author:
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2010
Citation:
Pyenson, Nicholas D. 2010. "Carcasses on the coastline: measuring the ecological fidelity of the cetacean stranding record in eastern North Pacific Ocean." Paleobiology, 36, (3) 453–480. https://doi.org/10.1666/09018.1.
Identifier:
92144
DOI:
https://doi.org/10.1666/09018.1
ISSN:
0094-8373
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_92144
No Image Available

New Sea Turtle from the Miocene of Peru and the Iterative Evolution of Feeding Ecomorphologies since the Cretaceous

Author:
Parham, James F.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2010
Citation:
Parham, James F. and Pyenson, Nicholas D. 2010. "New Sea Turtle from the Miocene of Peru and the Iterative Evolution of Feeding Ecomorphologies since the Cretaceous." Journal of Paleontology, 84, (2) 231–247. https://doi.org/10.1666/09-077R.1.
Identifier:
81672
DOI:
https://doi.org/10.1666/09-077R.1
ISSN:
0022-3360
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_81672
No Image Available

Diversity estimates, biases, and historiographic effects: Resolving cetacean diversity in the tertiary

Author:
Uhen, M. D.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2007
Citation:
Uhen, M. D. and Pyenson, Nicholas D. 2007. "Diversity estimates, biases, and historiographic effects: Resolving cetacean diversity in the tertiary." Palaeontologia Electronica, 10, (2) 11A–11A.
Identifier:
60056
ISSN:
1935-3952
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_60056
No Image Available

Early and fast rise of Mesozoic ocean giants

Author:
Delsett, Lene Liebe  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2021
Citation:
Delsett, Lene Liebe and Pyenson, Nicholas D. 2021. "Early and fast rise of Mesozoic ocean giants." Science, 374, (6575) 1554–1555. https://doi.org/10.1126/science.abm3751.
Identifier:
165361
DOI:
https://doi.org/10.1126/science.abm3751
ISSN:
0036-8075
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_165361
No Image Available

Diplomacy for the world's hottest sea

Author:
Fawzi, Nadia Al-Mudaffar  Search this
Fieseler, Clare M.  Search this
Helmuth, Brian  Search this
Leitão, Alexandra  Search this
Al-Ainsi, Mehsin  Search this
Al Mukaimi, Mohammad  Search this
Al-Saidi, Mohammad  Search this
Al Senafi, Fahad  Search this
Bejarano, Ivonne  Search this
Ben-Hamadou, Radhouan  Search this
D'Addario, Josh  Search this
Mohamed, Ahmad Mujthaba Dheen  Search this
Giraldes, Bruno W.  Search this
Glowka, Lyle  Search this
Johnson, Maggie D.  Search this
Lyons, Brett P.  Search this
Mateos-Molina, Daniel  Search this
Marshall, Christopher D.  Search this
Mohammed, Sayeed  Search this
Range, Pedro  Search this
Shokri, Mohammad Reza  Search this
Wong, John M. K.  Search this
Pyenson, Nicholas D.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Fawzi, Nadia Al-Mudaffar, Fieseler, Clare M., Helmuth, Brian, Leitão, Alexandra, Al-Ainsi, Mehsin, Al Mukaimi, Mohammad, Al-Saidi, Mohammad, Al Senafi, Fahad, Bejarano, Ivonne, Ben-Hamadou, Radhouan, D'Addario, Josh, Mohamed, Ahmad Mujthaba Dheen, Giraldes, Bruno W., Glowka, Lyle, Johnson, Maggie D., Lyons, Brett P., Mateos-Molina, Daniel, Marshall, Christopher D., Mohammed, Sayeed, Range, Pedro, Shokri, Mohammad Reza, Wong, John M. K., and Pyenson, Nicholas D. 2022. "Diplomacy for the world's hottest sea." Science, 376, (6600) 1389–1390. https://doi.org/10.1126/science.add1555.
Identifier:
165653
DOI:
https://doi.org/10.1126/science.add1555
ISSN:
0036-8075
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_165653
No Image Available

Oh, the shark has such teeth: Did megatooth sharks play a larger role in prehistoric food webs?

Author:
Pyenson, Nicholas D.  Search this
Koch, Paul L.  Search this
Object Type:
Smithsonian staff publication
Year:
2022
Citation:
Pyenson, Nicholas D. and Koch, Paul L. 2022. "Oh, the shark has such teeth: Did megatooth sharks play a larger role in prehistoric food webs?" Science Advances, 8, (25). https://doi.org/10.1126/sciadv.add2674.
Identifier:
165956
DOI:
https://doi.org/10.1126/sciadv.add2674
ISSN:
2375-2548
Data source:
Smithsonian Libraries and Archives
EDAN-URL:
edanmdm:slasro_165956

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