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Isolated decapod crustacean fingers from the Miocene (Langhian) of the Vienna and Carpathian Foreland basins (Czech Republic)

机译:来自维也纳和喀尔巴阡山脉南部盆地的内科(朗莲)的孤立的甲板甲壳动物手指(捷克共和国)

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摘要

From Czech middle Miocene (Langhian; Badenian) localities a number of isolated cheliped fingers of decapod crustaceans were identified. Material was collected from Kienberg in the northern Vienna Basin and Hluchov in the south-eastern Carpathian Foreland Basin. In the present contribution cheliped fingers from these localities are documented by SEM and were identified as snapping shrimps of the genus Alpheus (Decapoda: Caridea: Alphcidae). Numerous additional fragmentary specimens represent several morphotypes of brachyuran claws of uncertain identities. Snapping shrimp claw fingertips exhibit two morphotypes, possibly reflecting sexual dimorphism. The novel occurrence at Hluchov is the second formal report of fossil alpheid shrimps from the Czech Republic.
机译:从捷克中间内部(朗莲; Badenian)地方发现了许多孤立的甲壳类动物甲壳类动物的孤立的螯合手指。 从维也纳北部北部喀尔巴阡山脉前陆盆地的北部河谷盆地和河谷夫收集了材料。 在目前的贡献中,通过SEM记录来自这些地方的啁啾手指,并被SEM记录并被鉴定为α-alpheus属的虾(Decapoda:caridea:alphcidae)。 许多额外的碎片样本代表了几种不确定身份的Brachyuran爪的Mor晶片。 捕捉虾爪指尖表现出两种情况,可能反映了性二态性。 Hluchov的小说发生是来自捷克共和国的化石α虾的第二次正式报告。

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