Results 121 to 130 of about 1,581 (176)

Neogene seals from the Northern Hemisphere : a multi-parameter paleontological study of the early evolution of Phocidae (Pinnipedia)

, 2018
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Some comments on the optical system of Pinnipedia as a result of observations on the Weddell seal (Leptonychotes weddelli)

, 1970
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Pliocene monachine seal (Pinnipedia: Phocidae) from Australia constrains timing of pinniped turnover in the Southern Hemisphere

Journal of Vertebrate Paleontology, 2019
A turnover of the pinniped fauna took place in the Southern Hemisphere during the Pliocene, based on evidence from South America and South Africa.
James P. Rule, David P. Hocking, Erich M. G. Fitzgerald   +2 more
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Historical biogeography and phylogeny of monachine seals (Pinnipedia: Phocidae) based on mitochondrial and nuclear DNA data

Journal of Biogeography, 2005
AbstractAim To determine the origin and diversification of monachine seals using a phylogenetic framework.Methods Molecular sequence data from three mitochondrial genes (cytb, ND1 and 12S), and one nuclear marker (an intron from theα‐lactalbumin gene) were examined from all extant species of monachine seals.
C. A. Fyler, T. W. Reeder, A. Berta, G. Antonelis, A. Aguilar, E. Androukaki   +5 more
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Pinnipedia: Seals at Guelph

Nature, 1972
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Seals (Pinnipedia) at Norfolk Island, south-west Pacific

Australian Mammalogy, 2015
Five seals were observed at Norfolk Island (29°S, 168°E) between 2000 and 2013. Two have been identified as Arctocephalus forsteri on the basis of photographs, a juvenile or weaned pup that weighed 9.5 kg and a subadult male. The nearest known aggregation of these fur seals is at Three Kings Islands (34°S, 172°E), 700 km to the south-east.
Peter D. Shaughnessy, Margaret Christian
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Growth of the Weddell Seal, Leptonychotes weddelli (Pinnipedia)

Australian Journal of Zoology, 1984
Birth weight was more than trebled during the 6-week suckling period in Weddell seals, and increments in girth measurements were greater than increments in standard length. There was a very highly significant relationship between body weight and length and girth, but no consistent difference between the sexes in birth weight or growth during the ...
Bryden, M. M., Smith, M. S.R., Tedman, R. A., Featherston, D. W.   +3 more
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The brain of fur seals, seals, and walrus (Pinnipedia): A comparative anatomical and phylogenetic study of cranial endocasts of semiaquatic mammals

Journal of Mammalian Evolution, 2023
Fil: Romero, Magalí. Universidad Nacional de la Plata. Facultad de Ciencias Veterinarias. Laboratorio de Histología y Embriología Descriptiva, Experimental y Comparada (LHYEDEC);
Loza, Cleopatra Mara, Sánchez-Villagra, Marcelo R, Scarano, Alejo Carlos, Romero, Magalí, Barbeito, Claudio Gustavo, Carlini, Alfredo Armando   +5 more
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Carnivora: The Primary Structure of Weddell Seal (Leptonychotes weddelli,Pinnipedia) Hemoglobin

Biological Chemistry Hoppe-Seyler, 1989
The hemoglobin of Weddell Seal (Leptonychotes weddelli, Pinnipedia) comprises two components with identical beta-chains. The alpha-chains differ in positions 15 (Gly/Asp) and 57 (Ala/Thr). We present the primary structure of the chains which have been separated by reversed-phase high-performance liquid chromatography. The sequences have been determined
H X, Lin, T, Kleinschmidt, G, Braunitzer, H G, Scheil   +3 more
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Leopard Seals, Hyrurga leptonyx (Pinnipedia), at Macquarie Island from 1949 to 1979

Wildlife Research, 1980
The annual abundance of leopard seals recorded at Macquarie I. since 1949 has regularly oscillated between a few and 100-200 individuals every 4 or 5 years. Only non-breeding individuals occur, mainly 1-, 2- and 3-year-old seals that are sexually immature, with both sexes in approximately equal numbers. The seals are present between late June and early
D Rounsevell, I Eberhard
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