A new large Pliosaurid from the Barremian (Lower Cretaceous) of Sáchica, Boyacá, Colombia
نویسندگان
چکیده
منابع مشابه
Peculiar macrophagous adaptations in a new Cretaceous pliosaurid.
During the Middle and Late Jurassic, pliosaurid plesiosaurs evolved gigantic body size and a series of craniodental adaptations that have been linked to the occupation of an apex predator niche. Cretaceous pliosaurids (i.e. Brachaucheninae) depart from this morphology, being slightly smaller and lacking the macrophagous adaptations seen in earlier forms. However, the fossil record of Early Cret...
متن کاملParaclausastrea vorarlbergensis sp. nov.; a new coral from the Lower Cretaceous of western Austria (Scleractinia; upper Barremian-lower Aptian; Schrattenkalk Fm.; Vorarlberg).
The new taxon Paraclausastrea vorarlbergensis sp. nov. is described from the upper Barremian-lower Aptian (Schrattenkalk Fm.) of western Austria (Vorarlberg). It belongs to the montlivaltiids and is characterized by thamnasterioid to submeandroid corallite integration, diameters of corallites ranging between 3 and 6.5 mm, and septa that are generally developed in 4 incomplete cycles in 6 genera...
متن کاملThe first South American sandownid turtle from the Lower Cretaceous of Colombia
Sandownids are a group of Early Cretaceous-Paleocene turtles that for several decades have been only known by cranial and very fragmentary postcranial elements. Here I report and describe the most complete sandownid turtle known so far, including articulated skull, lower jaw and postcranial elements, from the Early Cretaceous (upper Barremian-lower Aptian, >120 Ma), Paja Formation, Villa de Ley...
متن کامل[The scale of disability in the Boyacá Department in Colombia].
OBJECTIVE This paper was aimed at ascertaining the magnitude of disability in the Boyacá Department by establishing its distribution and dependent relationships. MATERIALS AND METHODS This was a cross-sectional study which involved using the instrument proposed by DANE for recording, localizing and characterizing disability. The instrument's 89 questions were subjected to univariate and bivar...
متن کاملA new Lower Cretaceous bird from China and tooth reduction
publication. Citations to Advance online articles must include the digital object identifier (DOIs) and date of initial online articles are citable and establish publication priority; they are indexed by PubMed from initial publication. the paper journal (edited, typeset versions may be posted when available prior to final publication). Advance Advance online articles have been peer reviewed an...
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ژورنال
عنوان ژورنال: Earth Sciences Research Journal
سال: 2018
ISSN: 2339-3459,1794-6190
DOI: 10.15446/esrj.v22n4.69916