Results 61 to 70 of about 140,932 (287)

Geology of the Tehachapi Mountains, California [PDF]

, 1954
The San Joaquin-Sacramento Valley, also known as the Great Valley of California, separates the Coast Ranges on the west from the Sierra Nevada on the east. The southern part of this major physiographic and structural province is about 50 miles in average
Buwalda, John P.
core  

History of oceanic front development in the New Zealand sector of the Southern Ocean during the Cenozoic--a synthesis [PDF]

, 2001
The New Zealand sector of the Southern Ocean (NZSSO) has opened about the Indian-Pacific spreading ridge throughout the Cenozoic. Today the NZSSO is characterised by broad zonal belts of antarctic (cold), subantarctic (cool), and subtropical (warm ...
Abelmann A., Abreu V. S., Arnold A. J., Baldauf J. G., Baldauf J. G., Barker P. F., Barrera E., Berggren W. A., Beu A. G., Chaproniere G. C. H., Crux J. A., Devereux I., Edwards A. R., Edwards A. R., Fordyce R. E., Gordon A. L., Hampton M. A., Hanna E., Harwood D. M., Head P. S., Hollis C. J., Hornibrook N. de B., Hornibrook N. de B., Jaques A. L., Jenkins D. G., Keany J., Keller G., Kennett D. M., Kennett J. P., Kennett J. P., Kennett J. P., Kennett J. P., Kennett J. P., Kennett J. P., Kennett J. P., Kennett J. P., Lawver L. A., Lawver L. A., Lazarus D., Mackie J., Miller K. G., Murphy M. G., Nelson C. S., O'Connell S. B., Pearce F., Raymo M., Rohling E. J., Sancetta C., Sancetta C., Shackleton N. J., Shackleton N. J., Shafik S., Stott L. D., Sutherland F. L., Tsuchi R., Van Couvering J. A., Vella P., Wei W., Wise S. W., Wolfe J. A., Zachos J. C.   +60 more
core   +2 more sources

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

The Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto, João Felipe Leal Kaiuca, Adriana Itatí Olivares, William Corrêa Tavares   +3 more
wiley   +1 more source

A new Eliomys from the Upper Miocene of Spain and its implications for the phylogeny of genus [PDF]

, 2014
In this paper, we describe a previously unknown species of the glirid Eliomys from the Late Miocene and Early Pliocene Cabriel, Alcoy and Granada basins of southeastern Spain. Eliomys yevesi sp. nov.
Garcia-Alix Daroca, Antonio, Mansino, Samuel, Montoya, Plinio, Ruiz-Sánchez, Francisco   +3 more
core   +2 more sources

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

The Anatomical Record, EarlyView.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

Sedimentary responses of tectonic events in Miocene, western margin of South China Sea: a case study of Wan'an Basin

Shiyou shiyan dizhi, 2021
The Wan'an Basin is located on the southwestern margin of the South China Sea, and its unique tectonic position has made its filling evolution an important window to study the expansion of the southwest submarine basin and the strike-slip faults on the ...
Daojun ZHANG, Yunlong HE, Biyu LU, Yahui WANG, Juan LIU, Yunliu YANG, Hongyi XIAO   +6 more
doaj   +1 more source

Patterns of spinal motion, kinematic spaces and the land‐to‐sea transition in carnivorans

The Anatomical Record, EarlyView.
Using 3D reconstructions, we quantify intervertebral joint mobility to investigate how cervical, thoracic, and lumbar vertebral regions evolved distinct kinematic roles in pinnipeds. The findings reveal lineage‐specific adaptations for swimming and highlight the functional significance of vertebral joint flexibility in ecological transitions.
Juan Miguel Esteban, Alberto Martín‐Serra, Alejandro Pérez‐Ramos, Borja Figueirido   +3 more
wiley   +1 more source

Early Miocene aequipectininin bivalves of the Pirabas Formation of the Pará State, northeastern Brazil [PDF]

Acta Palaeontologica Polonica
A taxonomic revision of the Tribe Aequipectini from the upper Burdigalian, Lower Miocene Pirabas Formation in Brazil) resulted in an identification of Leptopecten daideleus comb.
María Belén Santelli, Claudia J. Del Río, Vladimir De Araújo Távora, Maria Inês Feijó Ramos   +3 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

The Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri, Humberto L. Andrelino, Sergio Bogan, José P. O'Gorman, Federico Agnolín, Brian L. Sidlauskas, Nahuel Vega, Agustín G. Martinelli, José L. Birindelli   +8 more
wiley   +1 more source

Oldest well‐preserved euprimate petrosal, from the early Eocene of India (Vastan Lignite Mine, Gujarat)

The Anatomical Record, EarlyView.
Abstract An exquisitely preserved, isolated partial petrosal with associated fragmentary stapes is described from the Vastan Lignite Mine (Gujarat, India), dated to the early Eocene (~54.5 Ma). Several anatomical traits (e.g., large petrosal plate; posterolateral entry of the internal carotid artery to the tympanic cavity; bony tubes surrounding the ...
Mary T. Silcox, Kenneth D. Rose, Rachel H. Dunn, Kishor Kumar, Rajendra S. Rana, Ashok Sahni, Lachham Singh, Thierry Smith, Jordan W. Crowell   +8 more
wiley   +1 more source