Results 11 to 20 of about 183,005 (293)
A new Beneziphius beaked whale from the ocean floor off Galicia, Spain and biostratigraphic reassessment of the type species [PDF]
Although the fossil record of beaked whales (Cetacea, Odontoceti, Ziphiidae) is continuously improving, the geological age of new taxa is often poorly constrained.
Ismael Miján +2 more
doaj +1 more source
New postcranial remains of large toxodontian notoungulates from the late Oligocene of Mendoza, Argentina and their systematic implications [PDF]
During the last decade, the Deseadan (late Oligocene) Quebrada Fiera locality, Mendoza Province, Argentina, has provided a large amount of mammal remains.
Santiago Hernández Del Pino +2 more
doaj +1 more source
RESOLVING THE ANATOMY OF MATURE SCLERIFIED CONIFER SEED CONES: COMPLEMENTARITY AMONG THREE METHODS
Phylogenetic studies of conifers that involve morphology are hindered by gaps in the anatomical characterization of seed cones, a direct result of difficulties encountered in sectioning cones in mature stages, which are often hardened due to ...
Samar Riad El-Abdallah +4 more
doaj +1 more source
Frameworks for Dating Fossil Man By Kenneth P. Oakley. Second edition. Pp. x + 355. (London: Weidenfeld and Nicolson, 1966.) 45s. net.
openaire +1 more source
The endocranial anatomy of the stem turtle Naomichelys speciosa from the Early Cretaceous of North America [PDF]
Fossil turtles are one of the least studied clades in regard to endocranial anatomy. Recently, the use of non-invasive technologies, such as radiographic computed tomography (CT), increased the knowledge of the neuroanatomy of several extinct and extant ...
Ariana Paulina-Carabajal +2 more
doaj +1 more source
The first Permian centipedes from Russia [PDF]
While fossils of myriapods are well-known from the Devonian and Carboniferous, until recently sediments from the Permian have been largely devoid of the remains of this important group of terrestrial arthropods.
Alexander V. Khramov +3 more
doaj +1 more source
A new tealliocaridid crustacean from the Late Carboniferous of North China and its biogeographic implications [PDF]
A new tealliocaridid eumalacostracan is described from the Late Carboniferous Tupo Formation (Ningxia, China). Laevitealliocaris xiaheyanensis gen. et sp. nov.
Qiang Yang +4 more
doaj +1 more source
The Río Loro Formation (early Paleogene, Tucumán Province, northwestern Argentina) has yielded several endemic vertebrates, including turtles, crocodiles, and mammals.
Luis Sebastián Saade +4 more
doaj +1 more source

