The southernmost occurrence of Ichthyosaurus from the Sinemurian of Portugal

IF 1.9 4区地球科学 Q1 PALEONTOLOGY

Fossil Record Pub Date : 2021-09-09 DOI:10.5194/fr-24-287-2021

J. Sousa, O. Mateus

引用次数: 0

Abstract

Abstract. The ichthyosaur fossil record of Portugal is composed of specimens from the localities of São Pedro de Moel, Alhadas, Cadima, Murtede, Casal do Combo, Condeixa, Alvaiázere and Tomar, within the confines of the Lusitanian Basin, ranging in age from the Sinemurian to the Aalenian. We reviewed the historical ichthyosaur finds in Portugal, and in this work we focus on the specimen IST-MDT 85, from the Sinemurian of Praia de Nossa Senhora da Vitória, central west coast of Portugal. The specimen was herein ascribed to Ichthyosaurus cf. communis, based on characters of the humerus in comparison with other specimens. This is the southernmost documented occurrence of Ichthyosaurus, widening the geographical range of the genus.

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鱼龙的最南端产自葡萄牙的Sinemurian

摘要葡萄牙的鱼龙化石记录由来自卢西塔尼亚盆地范围内的São Pedro de Moel、Alhadas、Cadima、Murtede、Casal do Combo、Condeixa、Alwaiázere和Tomar等地的物种组成，年龄从Sinemurian到Aalenian不等。我们回顾了在葡萄牙发现的历史鱼龙，在这项工作中，我们重点研究了来自葡萄牙中西部海岸Praia de NossaSenhora da Vitória的Sinemurian的IST-MDT 85标本。与其他标本相比，根据肱骨的特征，Washere标本被认为是鱼龙。这是有记录以来最南端的鱼龙，扩大了该属的地理范围。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Fossil Record PALEONTOLOGY-

CiteScore

3.60

自引率

7.10%

发文量

审稿时长

14 weeks

期刊介绍： Fossil Record (FR) is the palaeontological journal of the Museum für Naturkunde Berlin. This journal was founded in 1998 under the name Mitteilungen aus dem Museum für Naturkunde Berlin, Geowissenschaftliche Reihe and appears with two issues each year. Fossil Record publishes original papers in all areas of palaeontology including the taxonomy and systematics of fossil organisms, biostratigraphy, palaeoecology, and evolution. All taxonomic groups are treated, including invertebrates, microfossils, plants, and vertebrates.