A Supposed Chelonian Carapace from the Permian
نویسندگان
چکیده
منابع مشابه
Palynology of the Permian succession from the Ajabshir area (Azerbaijan, Central Iran): a preliminary report
Permian stratigraphic sequences are widely distributed throughout Iranian, making this one of the best locations in the world to study15 this geological time interval. Nevertheless, some units lack detailed biostratigraphic characterization which is essential for16 palaeogeographic reconstructions. This preliminary study comprises a palynological assessment of a Permian stratigraphi...
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The aim of this study is to bridge a gap in the existence of Trilobites in the marine Permian successions of Iran by exploring a stratigraphic section of the Permian in Jamal Formation (Dizlu section). Based on comprehensive field studies and laboratory investigations three Trilobite specimens were identified in the study area including Pseudophillipsia (Carniphillipsia) dizluensis sp. nov., P...
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chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
15 صفحه اولChelonian Antipredator Strategies: Preliminary and Comparative Data from Tanzanian Pelusios
– Turtle carapaces clearly function as antipredator adaptations, but their varied structure has rarely been matched to differential predation pressure in nature. In addition, the role of antipredator behaviors, and how they interact with morphological defenses in turtles, is poorly understood. Here we show that a small turtle, Pelusios subniger, is found predominately in pools and watercourses ...
متن کاملThe armored carapace of the boxfish.
The boxfish (Lactoria cornuta) has a carapace consisting of dermal scutes with a highly mineralized surface plate and a compliant collagen base. This carapace must provide effective protection against predators as it comes at the high cost of reduced mobility and speed. The mineralized hydroxyapatite plates, predominantly hexagonal in shape, are reinforced with raised struts that extend from th...
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ژورنال
عنوان ژورنال: Geological Magazine
سال: 1939
ISSN: 0016-7568,1469-5081
DOI: 10.1017/s0016756800070862