Raposo Marcos A, Dubois Alain, Kirwan Guy M, De Assis Claydson Pinto, HÖfling Elizabeth, Stopiglia Renata
Setor de Ornitologia, Departamento de Vertebrados, Museu Nacional/UFRJ, Quinta da Boa Vista s/n, Rio de Janeiro, RJ, 20940-040, Brazil..
Zootaxa. 2018 Dec 20;4532(4):561-566. doi: 10.11646/zootaxa.4532.4.7.
The polytypic Straight-billed Woodcreeper Dendroplex picus (J. F. Gmelin, 1788) is one of the most complex species-groups of Dendrocolaptidae (Aves: Passeriformes), from both the nomenclatural and morphological standpoints. Firstly, its alpha taxonomy is debatable. Virtually all recent works (e.g. Aleixo 2002; Marantz et al. 2003; del Hoyo Collar 2016) have recognized just two species in the group-Dendroplex picus and Zimmer's Woodcreeper Dendroplex kienerii (Des Murs, 1856)-although some of the other described taxa possess singular morphological characters and well-defined ranges somewhat isolated from their geographically closest relatives (e.g. Plain-throated Woodcreeper Dendroplex picirostris Lafresnaye, 1847). Secondly, the correct genus to which to allocate taxa presently included in this group (vide Aleixo 2002) has been controversial. There is a considerable confusion as to which nominal species should be regarded as the type of Dendroplex Swainson, 1827b. Three species are involved in the dispute (Cory Hellmayr 1925; Peters 1951; Aleixo et al. 2002; Marantz et al. 2003; Aleixo et al. 2007): Oriolus picus J. F. Gmelin, 1788; Dendrocolaptes guttatus M. H. C. Lichtenstein, 1818; and Dendrocolaptes ocellatus Spix, 1824. Here, we re-examine the nomenclatural issue and show that application of the nomen Dendroplex to the clade comprising the species-group D. picus (Aleixo et al. 2007) is based on a misunderstanding of the application of Article 70.3 of the Code (Anon. 1999) and that Dendrocolaptes ocellatus Spix, 1824, is its real type species. Consequently, the genus Dendroplex Swainson, 1827b, must be considered a junior synonym of Xiphorhynchus Swainson, 1827a. Because no generic nomen is currently available for them, we propose a new genus nomen to encompass the species originally described as Oriolus picus J. F. Gmelin, 1788, Dendroplex picirostris Lafresnaye, 1847, and Dendrornis kienerii Des Murs, 1856.
多型的直嘴砍林鸟Dendroplex picus（J. F. 格梅林，1788年），从命名法和形态学的角度来看，是砍林鸟科（雀形目：鸟类）中最复杂的物种群之一。首先，它的分类学存在争议。几乎所有近期的研究（如阿莱肖2002年；马兰茨等人2003年；德尔·霍约和科拉尔2016年）都只承认该物种群中的两个物种——直嘴砍林鸟Dendroplex picus和齐默砍林鸟Dendroplex kienerii（德米尔，1856年）——尽管其他一些已描述的分类单元具有独特的形态特征，且其分布范围与地理上最接近的亲属有些隔离（如纯色喉砍林鸟Dendroplex picirostris拉弗勒内，1847年）。其次，目前该物种群中分类单元应归属的正确属（见阿莱肖2002年）一直存在争议。对于哪些命名物种应被视为1827年斯温森所定的Dendroplex属的模式种，存在相当大的混淆。有三个物种卷入了这场争议（科里·赫尔迈尔1925年；彼得斯1951年；阿莱肖等人2002年；马兰茨等人2003年；阿莱肖等人2007年）：1788年的金黄鹂Oriolus picus J. F. 格梅林；1818年的斑点砍林鸟Dendrocolaptes guttatus M. H. C. 利希滕斯坦；以及1824年的眼斑砍林鸟Dendrocolaptes ocellatus斯皮克斯。在此，我们重新审视命名问题，并表明将Dendroplex这个名称应用于包含D. picus物种群的分支（阿莱肖等人2007年）是基于对《法规》第70.3条应用的误解，而1824年的眼斑砍林鸟Dendrocolaptes ocellatus斯皮克斯才是其真正的模式种。因此，1827年斯温森所定的Dendroplex属必须被视为1827年斯温森所定的Xiphorhynchus属的次异名。由于目前没有适用于它们的属名，我们提议一个新的属名来涵盖最初被描述为1788年的金黄鹂Oriolus picus J. F. 格梅林、1847年的纯色喉砍林鸟Dendroplex picirostris拉弗勒内以及1856年的基纳砍林鸟Dendrornis kienerii德米尔的物种。
