多塞特郡下侏罗世锡尼穆尔期吸血鬼头足类颚部结构的首个证据

IF 0.9 4区地球科学 Q3 GEOLOGY Geological Quarterly Pub Date : 2024-04-04 DOI:10.7306/gq.1738

Gregory Price, Malcolm Hart, Chris Moore

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引用次数: 0

摘要

来自多塞特郡海岸查茅斯泥岩地层的一个新的鞘翅目标本被鉴定为 Loligosepia bucklandi (Voltz, 1840)。该标本包括角弓和下颌碎片，是同类中为数不多的记录之一，但头部区域、臂、钩和吸盘却无法辨认。该标本可与伦敦自然历史博物馆和加的夫威尔士国家博物馆的 J.F. 杰克逊藏品中的其他 L. bucklandi 化石进行比较。L. bucklandi 的分布范围被确定为从下新穆尔期的 Turneri 区、Brooki 亚区到 Obtusum 区、Stellare 亚区，新标本在地层学上比 J.F. Jackson 珍藏中的精确定位标本稍早一些。

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First evidence of vampyromorph cephalopod jaw structures from the Sinemurian, Lower Jurassic of Dorset

A new specimen of the Coleoidea from the Charmouth Mudstone Formation of the Dorset Coast has been identified as Loligosepia bucklandi (Voltz, 1840). The specimen includes the gladius and jaw fragments, which represent one of few records of its kind, but the head area, arms, hooks and suckers are not discernible. It can be favourably compared to other L. bucklandi fossils in the Natural History Museum in London and the J.F. Jackson Collection in the National Museum Wales in Cardiff. The range of L. bucklandi is determined to be from the Turneri Zone, Brooki Subzone to the Obtusum Zone, Stellare Subzone of the lower Sinemurian, with the new specimen stratigraphically a little older than the precisely located specimens in the J.F. Jackson Collection.

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来源期刊

Geological Quarterly 地学-地质学

CiteScore

2.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The policy of the Geological Quarterly is to publish significant contributions of information and geological insight relevant to an international readership. The journal has been issued since 1957 at the Polish Geological Institute - National Research Institute and, at present, is the leading Earth sciences journal in Poland. All aspects of Earth and related sciences, and universal and broad regional rather than locally oriented topics are covered. The journal is intended to be an international forum for the exchange of information and ideas, particularly on important geological topics of Central Europe.