Results 161 to 170 of about 963 (208)
A multiverse of trophic networks and coevolutionary trajectories among holoparasitic Orobanchaceae and their animal associates: a global perspective. [PDF]
PhytoKeysPiwowarczyk R +12 more
europepmc +1 more source
Larynx morphology and sound production in three species of Testudinidae [PDF]
Journal of Morphology, 2004 AbstractAlthough the ability to vocalize is widespread among tortoises, the mechanisms of sound production in chelonians remain undescribed. In this study, we analyze the morphology and histology of the larynx of three species of Testudinidae (Testudo hermanni, T. graeca, and T.
Roberto Sacchi +2 more
exaly +4 more sources
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The global Cenozoic diversification process of tortoises (Testudinidae)
The Anatomical Record, 2023AbstractGreat environmental changes may affect the survival capability of a variety of organisms. Testudinidae is the most diverse family of terrestrial chelonians within the whole order (Testudines). Interestingly, however, the number of extinct species overcome the extant ones.
Isabela Oliveira +3 more
openaire +2 more sources
Molecular Phylogenetics and Evolution, 2002 To test phylogenetic relationships within the genus Testudo (Testudines: Testudinidae), we have sequenced a fragment of the mitochondrial (mt) 12S rRNA gene of 98 tortoise specimens belonging to the genera Testudo, Indotestudo, and Geochelone.
Antoinette C Van Der Kuyl, John T Dekker
exaly +2 more sources
Morphological definition of Eurotestudo (Testudinidae, Chelonii): First part
Annales de Paléontologie, 2006Abstract This work details the morphological analysis upon which the creation of the testudinid genus Eurotestudo was based. The study is presented in two parts. The present first part includes an introduction to the subject, and the morphological data with illustrations, which formed the basis for the analysis.
de Lapparent de Broin, F. +2 more
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Chromosomal relationships of the tortoises (family Testudinidae)
Genetica, 1982Banded chromosomes of five species of testudinid turtles (Geochelone pardalis, G. elongata, G. elephantopus, Gopherus berlandieri, and G. polyphemus) reveal little variation within either genus, although there are differences in amount and distribution of heterochromatin between Geochelone pardalis and G. elongata.
R. C. Dowler, J. W. Bickham
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Checklist of fossil land tortoises (Testudinidae)
Bulletin of the Florida Museum of Natural History, 1974This checklist is based on the main literature pertaining to fossil tortoises and an examination of many important specimens in museums in North and South America, Europe, and India.2 Zoogeography and evolutionary trends are outlined and briefly discussed.
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Tortoises (Chelonii, Testudinidae)
2011Two species of tortoises are known from Pliocene sites on the Eyasi Plateau, including Laetoli. The most common species is a medium-sized tortoise, Stigmochelys brachygularis, which is well represented in the Laetolil Beds (∼3.6–4.4 Ma) and Upper Ndolanya Beds (∼2.66 Ma).
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RAPD variation in Mediterranean turtle Testudo graeca L. (Testudinidae)
Russian Journal of Genetics, 2004The polymerase chain reaction with arbitrary primers (RAPD-PCR) was used to study intraspecific variation in Mediterranean turtle Testudo graeca, which is represented by the Dagestan (T. g. pallasi) and Nikolskii (T. g. nikolskii) subspecies in Russia. To study the phylogenetic relationships, the RAPD variation was also compared in two other T.
S. K. Semyenova +6 more
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