Results 81 to 90 of about 290 (172)

La situación de Podocnemis erythrocephala (spix, 1824) (Testudinata: Pelomedusidae), en Colombia

open access: yesCaldasia, 1997
The presence of Podocnemís erythrocephala in the blackwater strems of the departament of Guainía, Colombia, in the Orinoco basin is confirmed. The dimensions of 179 individuals and the basic statistical data according to the sex is presented. The maximum
Castaño Mora Olga Victoria
doaj  

Nesting environment may drive variation in eggshell structure and egg characteristics in the Testudinata

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, 2018
AbstractTestudines exhibit considerable variation in the degree of eggshell calcification, which affects eggshell conductance, water physiology of the embryos, and calcium metabolism of embryos. However, the underlying reason for different shell types has not been explored.
openaire   +3 more sources

A staurotypine skull from the Oligocene of South Dakota (Testudinata, Chelydridae)

open access: yes, 1952
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

The genome sequence of the Loggerhead sea turtle, Caretta caretta Linnaeus 1758. [PDF]

open access: yesF1000Res, 2023
Chang G   +20 more
europepmc   +1 more source

Serie normal del desarrollo morfológico embrionario de Podocnemis unifilis (Troschel, 1848) (Testudinata: Pelomedusidae)

open access: yesActa Biológica Colombiana, 1990
Embriologic development of Podocnemis unijilis on wild and laboratory conditions, from nesting, was monitored. Twenty eight phases, occurring in 95 days were identified, including embriogencsis as a normal series.
Nory A. Guzmán B.,   +1 more
doaj  

Cytogenetic characterization of the Savannah Sideneck Turtle Podocnemis vogli (Reptilia: Testudinata: Podocnemididae)

open access: yesActa Biológica Colombiana, 2005
Seven specimens of Podocnemis vogli were studied; three were collected at Puerto López and Puerto Gaitán in the Meta Department of Colombia, four lacks collecting data.
ML. Ortiz, PA. Rodríguez, ML. Bueno
doaj  

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