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首页> 外文期刊>Palaeogeography, Palaeoclimatology, Palaeoecology: An International Journal for the Geo-Sciences >Ghost shrimps (Decapoda: Axiidea: Callianassidae) as producers of an Upper Miocene trace fossil association from sublittoral deposits of Lake Pannon (Vienna Basin, Slovakia)
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Ghost shrimps (Decapoda: Axiidea: Callianassidae) as producers of an Upper Miocene trace fossil association from sublittoral deposits of Lake Pannon (Vienna Basin, Slovakia)

机译：幽灵虾（十足目：A蝶目：Callianassidae）作为中新世遗迹化石协会的生产者，来自潘农湖（斯洛伐克维也纳市）的近沿海沉积物

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Numerous trace fossils are described from the Late Miocene sediments of the Bzenec Formation exposed at the Gbely section (the Vienna Basin, Slovakia). During deposition of the sediments the area was part of the large, long-lived brackish to freshwater Lake Pannon. Most of the trace fossils are attributed herein to Egbellichnus jordidegiberti igen et ispec. nov. and are interpreted as burrows produced by decapod crustaceans, specifically by a ghost shrimp of the family Callianassidae. This interpretation is based on two independent lines of evidence: environmental requirements of large bioturbators and the burrow morphology itself. The new ichnotaxon is distinguished from other related ichnotaxa by a combination of typically inclined (roughly at an angle of 45 degrees) cylindrical burrows, absence of lining, and tunnels making loops or bends at approximately right angles. The burrow systems at Gbely document the survival of ghost shrimp long after the closure of all seaways and the origin of Lake Pannon. As today, no ghost shrimp are known from long-lived brackish lakes. Egbellichnus from Gbely is the only, although indirect, record of ghost shrimp from a brackish lake environment reported so far. (C) 2015 The Authors. Published by Elsevier B.V.
机译：从Gbely断面（斯洛伐克维也纳盆地）暴露的Bzenec组晚中新世沉积物中描述了许多微量化石。在沉积物沉积期间，该区域是淡水潘农湖中长寿的微咸咸水的一部分。大多数痕迹化石在本文中归因于Egbellichnus jordidegiberti igen等。十一月被解释为十足类甲壳类动物，特别是Callianassidae科的幽灵虾产生的洞穴。这种解释基于两条独立的证据线：大型生物扰动器的环境要求和洞穴形态本身。新的鱼鳞生物有别于其他相关的鱼鳞生物，其组合通常是倾斜的（大致成45度角）圆柱形洞穴，没有衬里和形成近似直角的环形或弯曲的隧道。格贝利（Gbely）的洞穴系统记录了幽灵虾在所有航道关闭和潘农湖（Lake Pannon）起源之后很久的生存。直到今天，从长寿的咸淡湖中都没有发现鬼虾。 Gbely的Egbellichnus是迄今为止报道的来自咸淡湖水环境的鬼虾的唯一（尽管是间接的）记录。 （C）2015作者。由Elsevier B.V.发布

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