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Phylogenetic Analyses of Postcranial Skeletal Morphology in Didelphid Marsupials
- David A. Flores
- 20 March 2009
The relationships obtained adding the postcranial evidence to published combined data set were mostly better resolved and supported in the CO coding than the morphological analyses, although the TS coding causes loss of resolution in the strict consensus.
POSTWEANING ONTOGENY OF THE SKULL OF DIDELPHIS ALBIVENTRIS
Most of the postweaning developments of the skull of Didelphis albiventris is interpreted as a function of the shift from milk suckling to active mastication.
On the lack of a universal pattern associated with mammalian domestication: differences in skull growth trajectories across phylogeny
- M. Sánchez-Villagra, V. Segura, M. Geiger, L. Heck, K. Veitschegger, David A. Flores
- Biology, MedicineRoyal Society Open Science
- 1 October 2017
There is no single, universal and global pattern of paedomorphosis or any other kind of heterochrony behind the morphological diversification that accompanies domestication, as shown in a taxonomically broad study.
Post-weaning cranial ontogeny in two bandicoots (Mammalia, Peramelomorphia, Peramelidae) and comparison with carnivorous marsupials.
The comparison of the allometric trends of two bandicoots with previously studied taxa reveals that although peramelids exhibit a particularly short gestation period and divergent morphology compared to other marsupials, their pattern does not show any particular trend.
Cranial ontogeny and sexual dimorphism in two new world monkeys: Alouatta caraya (Atelidae) and Cebus apella (Cebidae)
Results indicate that different ontogenetic mechanisms are acting in C. apella and A. caraya and reveal differences in the way through which neotropical primates attain adult sexual dimorphism.
Mouse opossums (Didelphimorphia, Didelphidae) of northwestern Argentina: Systematics and distribution
Taxonomy of the southernmost populations of Philander (Didelphimorphia, Didelphidae), with implications for the systematics of the genus
Molecular and morphological results showed that there are two species of Philander in Argentina, P. frenatus in Misiones province and P. opossum canus in Chaco and Formosa provinces, which can bemorphologically distinguished only by the width of the postorbital constriction.
Comparative Postnatal Ontogeny of the Skull in Dromiciops gliroides (Marsupialia: Microbiotheriidae)
It is concluded that except for the bulla, most of the cranial development in D. gliroides is highly conservative and that some peculiarities may be shared with other marsupials of similarly small body size.
A quantitative approach to the cranial ontogeny of the puma
Both the qualitative and quantitative results indicate that the major ontogenetic changes are directly linked to cranial structures that support a developing masticatory apparatus and its associated jaw and neck musculature, which are essential for the action of canines and carnassials during the killing bite and slicing flesh.
Comparative postnatal ontogeny of the skull in the australidelphian metatherian Dasyurus albopunctatus (Marsupialia: Dasyuromorpha: Dasyuridae)
The cranial ontogeny of an australidelphian marsupial, Dasyurus albopunctatus, is described, using a combination of qualitative and quantitative approaches, and most of the growth trends observed are interpreted as linked to the predominantly carnivorous dietary habit of adult D. albipunctatus.