Results 61 to 70 of about 16,469 (254)
Sutural simplification in Physodoceratinae (Aspidoceratidae, Ammonitina)
Estudios Geologicos, 1987 El análisis estructural de la interrelación concha-septo en algunos ammonites del Jurásico superior lleva a concluir que las simplificaciones suturales aparecidas a lo largo de la filogenia fueron originadas por alteraciones ocurridas en la morfología ...
A. Checa
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La biozona Garantiana (Bajociense, Jurásico Medio) en la región de Tivenys-Sierra de Cardó (Tarragona) [PDF]
, 1982 Se describe y analiza la distribución de los ammonites de la biozona Garantiana en la rcgión de Tivenys-Sierra de Cardó. La zona es identificada en base a la fauna de Garantianinae. Las subzonas Dichotoma, Trauthi y Tetragona han sido reconocidas.
Fernández López, Sixto Rafael
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A bajocian (Middle jurassic) marine gastropod assemblage from the badamu formation, Central Iran [PDF]
, 2016 Nine species of gastropods are reported from the Bajocian (Middle Jurassic) part of the Badamu Formation of Central Iran. This is the first report of a gastropod assemblage of this age from the shelves of the Kimmerian Continent.
Binazadeh, Tayyeb +2 more
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Ecosphere, Volume 16, Issue 11, November 2025.Abstract Lepidoptera have long been known to feed on the tears of vertebrates as a presumed source of minerals or nutrients. While this unusual behavior has been observed in a variety of species, only a single previous record has been documented outside of the tropics. Here, we present the first documentation of moths visiting the eyes of a bull moose (
Laurence A. Clarfeld +2 more
wiley +1 more source
Carnets de Géologie, 2010 In central Tunisia near the village of Ellès is Wadi Ed Dam. There the Abiod Formation, underlain by the Kef marls and capped by the El Haria marls, crops out in an almost uninterrupted exposure about 286 m thick.
Robaszynski Francis, Mzoughi Moncef
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Geologica Carpathica, 2018 Calcareous nannofossil, calpionellid and ammonite occurrences have been directly constrained across the Jurassic–Cretaceous boundary interval in the section of Kopanitsa, SW Bulgaria.
Stoykova Kristalina +3 more
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A New Approach to the Accretive Growth of Surfaces Via Hyperbolical Kinematics
Mathematical Methods in the Applied Sciences, Volume 48, Issue 16, Page 15349-15363, 15 November 2025.ABSTRACT In the current work, we introduce the accretive growth of surfaces by using hyperbolical geometry. First, we describe hyperbolical kinematics along a generating curve to construct accretive surfaces having a hyperbolical cross‐section. The obtained surfaces are not only the ones having hyperbolical cross‐sections but also their material points
Gül Tuğ, Zehra Özdemir
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Oxfordian and Kimmeridgian "Aspidoceras" in the Mediterranean. A methodological approach
Estudios Geologicos, 1987 En el presente trabajo se lleva a cabo un análisis contrastador de la Hipótesis Nula establecida como base metodológica para la investigación evolutiva de los"Aspidoceras" mediterráneos (Checa & Olóriz, 1985).
A. Checa, F. Olóriz
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Systematic utility of the phytosaur post‐dentary mandibular region
Papers in Palaeontology, Volume 11, Issue 6, November/December 2025.Abstract Phytosaurs, crocodile‐like archosaurs from the Late Triassic, are known for their unique skull shape, whereas their mandibles are poorly studied. Two‐dimensional (2D) geometric morphometric (GM) analysis is commonly used on dinosaurs and mammals.
Víctor López‐Rojas +2 more
wiley +1 more source
Holostratigraphy of the Kahmah regional Series in Oman, Qatar, and the United Arab Emirates
Carnets de Géologie, 2008 The stratigraphic framework of the uppermost Jurassic - Lower Cretaceous interval of the Gulf area is revised using both historical and recently acquired paleontological (ammonites, calpionellids, foraminifers, 'calcareous' algae), sedimentological and ...
Granier Bruno
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