Results 31 to 40 of about 4,118 (197)

Vertebral osteology in Delphinidae (Cetacea) [PDF]

open access: yesZoological Journal of the Linnean Society, 2004
Vertebral anatomy in delphinid cetaceans exhibits marked heterogeneity. Description and functional interpretation of this variability is facilitated by the recognition of structural units along the column whose boundaries transgress those of the classical mammalian series. Vertebral anatomy of the killer whale (Orcinus orca) and the Atlantic whitesided
EMILY A. BUCHHOLTZ, STEPHANIE A. SCHUR
openaire   +1 more source

Trophic relationships of the spinner dolphin at Fernando de Noronha Archipelago, SW Atlantic

open access: yesScientia Marina, 2007
We present an overview of predator-prey and other trophic relationships of spinner dolphins (Stenella longirostris) around Fernando de Noronha Archipelago, off northeastern Brazil, with use of original data and a brief review of data published elsewhere.
José Martins Silva-Jr   +3 more
doaj   +1 more source

Behaviour of short-finned pilot whales Globicephala macrorhynchus (Gray, 1846) (Mammalia: Cetartiodactyla: Delphinidae) in the Southeastern Arabian Sea [PDF]

open access: yes, 2014
Behaviour of short-finned pilot whales Globicephala macrorhynchus (Gray, 1846) (Mammalia: Cetartiodactyla: Delphinidae) in the Southeastern Arabian ...
Mohamed, K S, Ragesh, N, Saji Kumar, K K
core   +2 more sources

Sexual selection of protamine 1 in mammals [PDF]

open access: yes, 2015
Protamines have a crucial role in male fertility. They are involved in sperm chromatin packaging and influence the shape of the sperm head and, hence, are important for sperm performance.
Lüke, Lena   +2 more
core   +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

Mitogenome phylogenetics: the impact of using single regions and partitioning schemes on topology, substitution rate and divergence time estimation. [PDF]

open access: yesPLoS ONE, 2011
The availability of mitochondrial genome sequences is growing as a result of recent technological advances in molecular biology. In phylogenetic analyses, the complete mitogenome is increasingly becoming the marker of choice, usually providing better ...
Sebastián Duchêne   +4 more
doaj   +1 more source

Osteological analysis in specimens of Fraser's dolphin (Lagenodelphis hosei Fraser, 1956) from the coast of Buenos Aires, Argentina [PDF]

open access: yes, 2009
La presencia de Lagenodelphis hosei en las aguas templadas del Mar Argentino es un hecho raro, debido a su preferencia por la aguas tropicales y pelágicas.
Buono, Mónica Romina   +3 more
core   +2 more sources

A Visitor of Tropical Waters: First Record of a Clymene Dolphin (Stenella clymene) Off the Patagonian Coast of Argentina, With Comments on Diet and Metazoan Parasites

open access: yesFrontiers in Marine Science, 2021
The poorly known Clymene dolphin (Stenella clymene) is a small oceanic cetacean distributed in tropical and subtropical waters of the Atlantic Ocean. In this study, we report, for the first time, a vagrant individual of Clymene dolphin in Argentina (Rada
Jesús S. Hernández-Orts   +7 more
doaj   +1 more source

First record of a white rough-toothed dolphin (Steno bredanensis) off West Africa including notes on rough-toothed dolphin surface behaviour [PDF]

open access: yes, 2010
In June 2009, a white rough-toothed dolphin (Steno bredanensis) calf was photographed in a group of at least 50 dolphins in the southern Gulf of Guinea, 95 nauticol miles off the Gabon coast (01°45'S 007°29'E), West Africa. Reports of unusually pigmented
Boer, M.N., de
core   +3 more sources

Riqueza específica y patrones de distribución de los mamíferos marinos del Pacífico Oriental

open access: yesActa Zoológica Lilloana, 2023
Los mamíferos marinos son un grupo polifilético con patrones de diversidad y biogeográficos bien documentados a nivel mundial, sin embargo, se desconoce la diversidad actual en el Pacífico oriental (PO), así como sus patrones latitudinales de ...
Alexis Israel Gutiérrez-Pérez   +1 more
doaj   +1 more source

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