一种与安哥拉近海冷水珊瑚有关的深海新双足虾物种，属于1900年的深海双足虾属道岑贝格双足虾（双足虾目，Calliopioidea总科，Pontogeneiidae科）。

A new amphipod species of the bathyal genus Dautzenbergia Chevreux, 1900 (Amphipoda, Calliopioidea, Pontogeneiidae) associated with cold-water corals off Angola.

作者信息

Zettler Michael L, Hendrycks Ed A, Freiwald André

机构信息

Leibniz Institute for Baltic Sea Research Warnemünde, Seestr. 15, D-18119 Rostock, Germany.

Canadian Museum of Nature, Research and Collections, P.O. Box 3443, Station D, Ottawa, K1P 6P4, Canada .

出版信息

Zootaxa. 2022 Nov 23;5213(1):49-63. doi: 10.11646/zootaxa.5213.1.3.

DOI:10.11646/zootaxa.5213.1.3

PMID:37044953

Abstract

A new species of pontogeneiid amphipod, Dautzenbergia concavipalma sp. nov., is described from cold-water corals off Angola. This is only the second observation of this genus in the South Atlantic. Important morphological characters in combination, which define the new species from its congeners, occur especially in the shape and size of gnathopod 1-2 propodus, the smooth pereopod dactyls, the shape of the basis of pereopod 7 and the telson shape with narrow cleft. The taxon is fully described and figured and is compared with known species of the genus. A key to Dautzenbergia species is also given.

摘要

描述了一种新的深海钩虾科（Pontogeneiid）端足目动物，凹掌道氏钩虾（Dautzenbergia concavipalma sp. nov.），该物种采自安哥拉附近的冷水珊瑚区域。这是该属在南大西洋的第二次记录。该新物种区别于同属其他物种的重要形态特征组合，尤其体现在第一、二颚足腕节的形状和大小、光滑的步足指节、第七步足基部的形状以及具狭窄裂缝的尾节形状上。对该分类单元进行了全面描述和绘图，并与该属已知物种进行了比较。还给出了道氏钩虾属物种检索表。