来自丹麦最北部马斯特里赫特地区的刺头类蛇

IF 1.2 4区地球科学 Q2 Earth and Planetary Sciences Bulletin of the Geological Society of Denmark Pub Date : 1998-09-25 DOI:10.37570/BGSD-1998-45-03

J. Jagt, B. Andersen, S. L. Jakobsen, J. Wm

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引用次数: 4

摘要

目前在Holtug (Stevns Klint, Sjaelland)的白粉笔上记录的小型、独特的藻虫类刺针类Gauthieria altema (Kutscher, 1985)构成了丹麦最新的马斯特里赫特刺针类动物群的一个值得注意的补充。虽然这两种标本都被压碎了，但总体上保存得比来自鲁根(德国东北部)上下马斯特里赫特的模式材料要好，并且可以更详细地描述该物种，该物种最初被置于Hemithylus Arnaud, 1896年，但在这里被转移到Gauthieria Lambert属，1888年。其中一个标本保留了一个半金字塔和灯笼的骨骺。

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THE ECHINOID GAUTHIERIA ALTERNA FROM THE UPPERMOST MAASTRICHTIAN OF DENMARK

The present record from the white chalk of Holtug (Stevns Klint, Sjaelland) of the smali, distinctive phymosomatid echinoid Gauthieria altema (Kutscher, 1985) constitutes a notable addition to the latest Maastrichtian echinoid faunas in Denmark. Although both specimens available are crushed, preservation on the whole is better than the type material from the upper Lower Maastrichtian of Rugen (northeast Germany), and enables a more detailed description of the species, which was originally placed in Hemithylus Arnaud, 1896 but which is here transferred to the genus Gauthieria Lambert, 1888. One of the specimens preserves a single demipyramid and epiphysis of the lantern.

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来源期刊

Bulletin of the Geological Society of Denmark GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Bulletin publishes contributions of international interest in all fields of geological sciences on results of new work on material from Denmark, the Faroes and Greenland. Contributions based on other material may also be submitted to the Bulletin if the subject is of relevance for the geology of the area of primary interest.