Results 21 to 30 of about 1,829 (218)

Catalogue of marine mammals of the Mammalogical collection of the Museo de La Plata, Argentina

open access: yesRevista del Museo de La Plata, 2016
This catalogue lists the materials of marine mammals housed in the Mammalogical collection of Museo de La Plata. This contribution is an update of the unpublished catalogue made by R. Bastida, J.B. Desojo, and L.H. Soibelzon in 1997. It includes all the
A. Itatí Olivares   +6 more
doaj   +1 more source

Morphological and systematic re-assessment of the late Oligocene “Halitherium” bellunense reveals a new crown group genus of Sirenia [PDF]

open access: yesActa Palaeontologica Polonica, 2017
“Halitherium” bellunense is exclusively known from a single individual from upper Oligocene glauconitic sandstone near Belluno, northern Italy. According to a review of its morphological basis, which consists of associated cranial elements, some ...
Manja Voss   +2 more
doaj   +1 more source

METAXYTHERIUM MEDIUM (MAMMALIA: SIRENIA) FROM UPPER MIOCENE SEDIMENTS OF THE ARENARIA DI PONSANO FORMATION (TUSCANY, ITALY)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2003
Records of Metaxytherium medium (Mammalia: Sirenia) from Tononian (Late Miocene) sediments from che Arenaria di Ponsano Formation (Tuscany, Italy) are described.
GIOVANNI BIANUCCI, WALTER. LANDINI
doaj   +1 more source

Confirmação da relação entre peixes-bois, "hyraxes" e elefantes, por meio do estudo da proteína das lentes dos olhos () [PDF]

open access: yesActa Amazonica, 1980
Resumo As relações filogenéticas entre os membros da super-ordem Paenungulata, os peixes-bois, elefantes e "hyraxes", foram investigadas, utilizando-se a seqüência de análises de aminoácidos da proteína oc A do cristalino da lente dos olhos destes ...
W. W. de Jong, A. Zweers
doaj   +1 more source

Genomic evidence for the parallel regression of melatonin synthesis and signaling pathways in placental mammals [version 2; peer review: 2 approved]

open access: yesOpen Research Europe, 2021
Background: The study of regressive evolution has yielded a wealth of examples where the underlying genes bear molecular signatures of trait degradation, such as pseudogenization or deletion. Typically, it appears that such disrupted genes are limited to
Mark S. Springer   +7 more
doaj   +1 more source

Using osteological measurements to estimate body length in Amazonian manatees [PDF]

open access: yesActa Amazonica
Body length is an important parameter in morphological, ecological and behavioral studies of a species and contributes to the understanding of the body condition of individuals.
Gisele de Castro Maciel VALDEVINO   +2 more
doaj   +2 more sources

Revision of the Halitherium-species complex (Mammalia, Sirenia) from the late Eocene to early Miocene of Central Europe and North America [PDF]

open access: yes, 2014
Die zu den Sirenia, oder Seekühen, zählende Gattung Halitherium ist mit Arten aus dem Obereozän bis Untermiozän bekannt. Obwohl Halitherium als monophyletisch angesehen wird, bestätigen alle bisherigen phylogenetischen Analysen die Paraphylie dieser ...
Voß, Manja
core   +1 more source

Masmédiá na Slovensku a ich úloha pri formovaní (po)vedomia o environmentálnych problémoch a podpore kritického myslenia

open access: yesEnvigogika, 2021
Napriek rozmachu sociálnych sietí prostriedky masovej komunikácie (masmédiá) naďalej zohrávajú dôležitú a nezastupiteľnú úlohu v spoločnosti. Od šírenia informácií, cez formovanie verejného povedomia až po relax a zábavu- V príspevku sme sa zamerali na ...
Mikuláš Huba
doaj   +1 more source

Complete mitochondrial genome of the Florida manatee (Trichechus manatus latirotris, Sirenia) [PDF]

open access: yesGenetics and Molecular Biology, 2020
The Florida manatee (Trichechus manatus latirostris) is an endangered subspecies of the West Indian manatee (T. manatus), which inhabits inland and marine waters of southeastern United States.
Sibelle T. Vilaça, Fabricio R. Santos
doaj   +1 more source

Figure 16 in Neurocranial bones are key to untangling the sea cow evolutionary tree: osteology of the skull of Sobrarbesiren cardieli (Mammalia: Pan-Sirenia)

open access: yes, 2022
Figure 16. Synapomorphies common to all the most parsimonious trees mapped on the implied weighting consensus topology. The six new characters (223-228) described in the present study are mapped.
Díaz-Berenguer, Ester   +3 more
core   +1 more source

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