A Systematic Revision of the Deep-Sea Subfamily Lipomerinæ of the Isopod Crustacean Family Munnopsidæ
A Systematic Revision of the Deep-Sea Subfamily Lipomerinæ of the Isopod Crustacean Family Munnopsidæ
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等足类甲壳类 Munnopsidæ 深海亚科 Lipomerinæ 的系统修订
DOI：
10.2307/1548354
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发表时间：
1989
影响因子：
0.6
通讯作者：
G. Wilson
中科院分区：
文献类型：
--
作者：
G. Wilson
亚尼罗亚目Asellota的完全天生科，即Sensu Lato，包括一组模糊了Ilyarachnidae和EuryCopidae之间区别的属。这项工作确定了类Iya achnid的EuryCopid的相互关系，并表明它们是一个单系群。在这样做的过程中，对褐足类的科级系统学进行了修订。记述了5个新属，其中4个为新记录。分类部分包括对脂肪亚科的诊断和超种分类的检索表。在每个超种分类群中有一个种被完整描述。哥白尼；哥白尼。主要分布在南半球，在南大西洋和南极大陆周围有几个物种。最像绣线类动物的属是Hapsidohedra n.Gen.，它可能具有世界性的分布。狮子座将军。是在南极水域发现的。泛大西洋属Lipomera Tattersall被进一步划分为三个新亚属。其中一个亚属L.(Tetracope)n.subgen.有卷曲的肠道，这在甲壳纲中是罕见的。世界性的Mimocopelates n.gen.由北大西洋物种群和赤道物种M.anchibraziliensis n.sp.组成。大多数芒属的特征分析显示了揭示分类群之间关系的特征。这些特征状态被赋予进化的两极，通过与推定的孟氏姐妹群、棘蜂科和其他Janiroide型家庭中的特征进行比较。计算机化的系统发育分析产生了没有完全分辨的分支图，但具有比基于先前分类的树明显更低的同源性。脂粉菌亚科是最重要的单系群，所有可能的分支图谱的共识树证实了脂粉菌亚科的单系性。由于以往对这些科的分类与最简略的支序图不一致，因此建议：将所有的浮游蝇科归入一个大科--浮游蝇科；应将浮游蝇科和浮游蝇科降级为亚科；保留浮游蝇科的现有亚科。这一新的分类承认了芒果蜂科内的脂粉亚科的单系性。讨论了这种分类的替代方案。支持正文的是说明和定义形态术语的附录。
The fully natatory families of the janiroidean Asellota, the munnopsids sensu lato, include a group of genera that blurs the distinction between the Ilyarachnidae and the Eurycopidae. This work determines the interrelationships of the ilyarachnid-like eurycopids, and shows that they are a monophyletic group. In so doing, the family-level systematics of the munnopsids is revised. The ilyarachnid-like eurycopids are assigned to a newly constituted subfamily, the Lipomerinae, and five genera are described, four of which are new. A diagnosis of the subfamily Lipomerinae with a key to the superspecific taxa is included in the taxonomic part. One species in each superspecific taxon is fully described. Coperonus n. gen. is a primarily Southern Hemisphere group with several species in the south Atlantic and around the Antarctic continent. The most ilyarachnid-like genus is Hapsidohedra n. gen., which may have a cosmopolitan distribution. Lionectes n. gen. is found in Antarctic waters. The pan-Atlantic genus Lipomera Tattersall is further divided into three new subgenera. One of these subgenera, L. (Tetracope) n. subgen., has a coiled gut, a rare occurrence among Crustacea. The cosmopolitan Mimocopelates n. gen.is represented by a North Atlantic species group based on the species M. longipes n. sp.,and an equatorial species M. anchibraziliensis n. sp. Character analyses of most munnopsid genera present the characters that reveal relationships between taxa. The character states were assigned evolutionary polarities by comparison with characters in a presumed munnopsid sister group, the Acanthaspidiidae, and other janiroidean families. Computerized phylogenetic analyses produced cladograms that were not fully resolved, but had significantly lower homoplasy values than a tree based on previous classifications. The Lipomerinae were the most significantly monophyletic group of the munnopsid taxa, and a consensus tree of all possible cladograms confirmed the monophyly of the Lipomerinae. Because the previous classifications of the families were not consistent with the most parsimonious cladograms, the following proposals are made: all munnopsid families should be placed into one large family, the Munnopsidae; the Ilyarachnidae and the Munnopsidae sensu stricto should be demoted to subfamilial status; and the current subfamilies of the Eurycopidae should be retained. This new classification recognizes the monophyly of the Lipomerinae within the Munnopsidae. Alternatives to this classification are discussed. Supporting the text are appendices illustrating and defining morphological terms.