Results 61 to 70 of about 14,227 (275)

Osteological correlates of evolutionary transitions in cetacean feeding and related oropharyngeal functions

open access: yesFrontiers in Ecology and Evolution, 2023
Teeth are often the first structures that anatomists and paleontologists examine to understand the ecology and morphology of feeding, both because teeth are highly specialized structures that provide precise information, and because they are among the ...
Alexander J. Werth, Brian L. Beatty
doaj   +1 more source

A new Beneziphius beaked whale from the ocean floor off Galicia, Spain and biostratigraphic reassessment of the type species [PDF]

open access: yes, 2017
Although the fossil record of beaked whales (Cetacea, Odontoceti, Ziphiidae) is continuously improving, the geological age of new taxa is often poorly constrained.
Lambert, Olivier   +2 more
core   +3 more sources

The Bowhead Whale, Balaena mysticetus: Its Historic and Current Status [PDF]

open access: yes, 1995
The bowhead whale, Balaena mysticetus, is currently listed as endangered under the Endangered Species Act of 1973 and as depleted under the Marine Mammal Protection Act of 1972.
Rugh, David J., Shelden, Kim E. W.
core  

A phylogenomic analysis of the role and timing of molecular adaptation in the aquatic transition of cetartiodactyl mammals [PDF]

open access: yes, 2015
This work was funded by the European Research Council (ERC 1076 Starting grant no. 310482) awarded to S.J.R.
Bertelsen, MF   +6 more
core   +2 more sources

Chromosomes of the bowhead whale (Balaena mysticetus linnaeus) [PDF]

open access: yes, 1979
Thesis (M.S.) University of Alaska Fairbanks, 1979The somatic chromosomes of the bowhead whale, Balaena mysticetus, are described for the first time using homogeneous staining and trypsin G-banding.
Jarrell, Gordon Hamilton
core  

Aegicetus gehennae, a new late Eocene protocetid (Cetacea, Archaeoceti) from Wadi Al Hitan, Egypt, and the transition to tail-powered swimming in whales

open access: yesPLoS ONE, 2019
Aegicetus gehennae is a new African protocetid whale based on a partial skull with much of an associated postcranial skeleton. The type specimen, Egyptian Geological Museum, Cairo [CGM] 60584, was found near the base of the early-Priabonian-age (earliest
P. Gingerich, M. Antar, Iyad S. Zalmout
semanticscholar   +1 more source

A NEW FIND OF HEMISYNTRACHELUS (CETACEA, DELPHINIDAE) FROM PIACENZIAN SEDIMENTS OF RIO STRAMONTE (NORTHERN APENNINES, ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 1997
An incomplete skull of Hemisyntrachelus sp. (Cetacea, Delphinidae) is described from the Piacenzian clayey marls of Rio Stramonte (Piacenza, Italy). The new find confirms the abundance of Hemisyntrachelus in the peri-Adriatic area during the Pliocene.
GIOVANNI BIANUCCI
doaj   +1 more source

Anatomy and morphology adaptation of sea mammals [PDF]

open access: yes, 2010
Morski sisavci uključuju dvije brojne i široke grupe, Cetacea (kitovi) i Pinnipedia (tuljani, morski lavovi i morževi), te manje brojnu grupu Sirenia. Svaka grupa morskih sisavaca je evoluirala od pretka na kopnu te se sekundarno vratila životu u vodi ...
Blažeković, Kristina
core   +2 more sources

Mitogenomics and the genetic differentiation of contemporary Balaena mysticetus (Cetacea) from Svalbard

open access: yes, 2020
Full mitochondrial genomes were assembled for 12 recently sampled animals from the Svalbard bowhead whale (Balaena mysticetus) stock via high-throughput sequencing data, facilitating analysis of the demographic history of the population for the first ...
L. Bachmann   +6 more
semanticscholar   +1 more source

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