Results 101 to 110 of about 4,380,568 (306)
Abstract The Late Triassic–Early Jurassic fissures of the Bristol Channel area (southwest England and south Wales) are renowned for their diverse vertebrate faunas. These assemblages have yielded an array of predominantly small‐bodied forms that are crucial to our understanding of the early evolution of several major tetrapod clades.
Ewan H. Bodenham +4 more
wiley +1 more source
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 +8 more
wiley +1 more source
Redescription of the Triassic cynodont Cistecynodon parvus and reassessment of its phylogeny
Abstract Cynodontia is an important subclade of Therapsida that first occurred in the late Permian. It includes extinct subclades which are the non‐mammaliaform cynodonts and Mammaliaformes, with the latter ultimately giving rise to crown mammals. The systematics of non‐mammaliaform cynodonts has been extensively studied and is relatively well‐resolved,
Erin S. Lund +4 more
wiley +1 more source
Thin sections are fundamental tools in mineralogy, petrography, archaeometry, paleontology, and heritage science, allowing for the microscopic study of mineral assemblages, rock textures, ceramic fabrics, and fossil microstructures. Although thin-section
Evangelia Rentoumi +3 more
doaj +1 more source
Abstract Studies investigating paleopathologies in sauropods remain scarce despite their relative abundance in the fossil record. In this study we report new occurrence of paleopathological features, corresponding to a neoplasm found in a middle caudal vertebra (MCT.R.2120) of an advanced titanosaur from the Presidente Prudente Formation (Bauru Basin ...
Maria Luiza Peres Bertolossi +5 more
wiley +1 more source
A century of geology; the progress of historical geology in North America [PDF]
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openaire +2 more sources
IV.—Historical Geology of Cornwall [PDF]
The best description of St. Michael's Mount, as it now exists, that I can find, is by Mr. Wm. Pengelly, F.R.S.,1 as follows: “The Mount is an isolated mass of granite measuring about five furlongs in perimeter at its base. At high-water it plunges abruptly into the sea, except on the northern or landward side, where the granite comes in contact with ...
openaire +2 more sources
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo +5 more
wiley +1 more source
Kansas State Historical Society Annual Report, 2016
Covers Fiscal Year 2016 The Kansas State Historical Society, Inc., doing business as the Kansas Historical Foundation, is an IRS determined 501(c)(3) non-profit and serves as the fund raising, fund management, membership, and retail organization for the ...
Kansas State Historical Society
core
The largest silesaurid known from South America is described here, demonstrating that silesaurids reached large body sizes in southwestern Gondwana. This discovery further underscores the widespread geographic distribution and temporal persistence of large silesaurids across Pangea, despite faunal turnovers and environmental events such as the Carnian ...
Rodrigo Temp Müller
wiley +1 more source

