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肯尼亚二叠纪-三叠纪边界附近的首个非洲扁角石蝇科(昆虫纲:原襀翅目)

The first African Anthracoptilidae (Insecta: Paoliida) near the Permian--Triassic boundary in Kenya.

作者信息

Nel Andre, Garrouste Romain, Prokop Jakub

机构信息

CNRS UMR 7205, CP 50, Entomologie, Muséum National d'Histoire Naturelle, 45 rue Buffon, F-75005 Paris, France; Email:

CNRS UMR 7205, CP 50, Entomologie, Muséum National d'Histoire Naturelle, 45 rue Buffon, F-75005 Paris, France; Email: unknown.

出版信息

Zootaxa. 2015 Feb 26;3925(1):145-50. doi: 10.11646/zootaxa.3925.1.10.

Abstract

The first findings of Antracoptilidae (Paoliida) from the Late Permian/ Early Triassic of Africa, i.e. the new genus Afrocladus comprising A. pumilio sp. nov. and A. kenyaensis sp. nov., are described from the Mombasa Basin of Maji ya Chumvi Formation in Kenya (Duruma sandstones). Both diagnoses are based on wing venation pattern. Their occurrences close to the P-T boundary possibly indicate the last appearence date of the group being known since early Pennsylvanian. Moreover, their significantly smaller wing sizes compared to known taxa suggest adaptations to different habitats and environmental conditions or different life strategy.

摘要

非洲晚二叠世/早三叠世的炭疽翅目(Paoliida)的首次发现,即包含新物种矮小非洲翅脉蜓(Afrocladus pumilio sp. nov.)和肯尼亚非洲翅脉蜓(A. kenyaensis sp. nov.)的新属非洲翅脉蜓属,是从肯尼亚马吉亚丘姆维组蒙巴萨盆地(杜鲁马砂岩)描述的。两种诊断均基于翅脉模式。它们在二叠纪-三叠纪界线附近的出现可能表明该类群自宾夕法尼亚纪早期以来已知的最后出现日期。此外,与已知分类群相比,它们明显更小的翅尺寸表明其适应了不同的栖息地、环境条件或不同的生活策略。

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