将栉水母形态学作为管栖海葵(Ceriantharia,刺丝胞动物)的分类工具

Oceans Pub Date : 2024-07-05 DOI:10.3390/oceans5030029
Anny C. Forero-Mejia, Laurent Duchatelet, Carina Östman
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引用次数: 0

摘要

刺丝胞体形态学似乎是无脊椎动物(八角目、角珊瑚目和六角目)分类的重要工具。Ceriantharia 网囊由 b-mastigophores、isorhizas、spirocysts 和 ptychocysts(包括不同亚型)组成。b-mastigophores 是对物种鉴定最有价值的 Ceriantharian cnidae。Ceriantharian b-mastigophore术语与 Carlgren 的 b-mastigophores、b-rhabdoids(包括 Schmidt 的 "faltstück")、螺旋体以及 den Hartog 的潜在青霉菌一致。顶端紧密折叠、倒置的 b 型桅杆轴("faltstück")因其形态各异而成为物种特有的重要特征。被称为 "craspedonemes"、"cnidorages "和 "acontioids "的中肠结构也具有很高的分类价值。水滴形的 b-mastigophores 可能是中肠的特征线胞。等距体的出现和子囊内囊壁上的条纹是其他物种的特征。螺旋体和青霉的形态与六棘藻中的 b-mastigophores 相似,因此将螺旋体和青霉分别命名为 b-mastigophores/spirulae 和 b-mastigophores/penicilli 亚型。螺旋体和青霉菌在形态上的细微差别将难以证明螺旋体亚门和青霉亚门的合理性。螺旋体存在于 Ceriantharia 和 Hexacorallia 中,表明 Ceriantharia 和 Hexacorallia 之间的关系比 Ceriantharia 和 Octocorallia 之间的关系更为密切。八带真菌是唯一没有螺旋体的无脊椎动物。这项工作强调了刺胞动物形态分析对分类鉴定和分类的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cnida Morphology as Taxonomic Tools within Tube-Dwelling Anemones (Ceriantharia, Cnidaria)
Cnidome morphology appears to be a valuable tool for anthozoan (Octocarallia, Ceriantharia, and Hexacorallia) taxonomy. Ceriantharian cnidomes consist of b-mastigophores, isorhizas, spirocysts, and ptychocysts, including different subtypes. The b-mastigophores are the most valuable ceriantharian cnidae for species identification. The Ceriantharian b-mastigophore terminology is congruent to the b-mastigophores of Carlgren, b-rhabdoids, including the “faltstück” of Schmidt, spirulae, and also potentially the penicilli of den Hartog. The apical tightly folded, inverted b-mastigophore shafts, the “faltstück”, are important species-specific characteristics due to their various patterns. The mesenterial structures known as craspedonemes, cnidorages, and acontioids also have high taxonomic value. Drop-shaped b-mastigophores might be characteristic nematocysts for mesenteries. The occurrence of isorhizas and striations on the inner ptychocyst capsule walls are other species’ characteristics. The morphological similarities of spirulae and penicilli to b-mastigophores within Hexacorallia are highlighted by naming spirulae and penicilli as b-mastigophores/spirulae and b-mastigophores/penicilli subtypes, respectively. The slight morphological distinction between spirulae and penicilli will doubtfully justify the suborders Spirularia and Penicillaria. The spirocysts presence in Ceriantharia and Hexacorallia indicates a closer relationship between Ceriantharia and Hexacorallia than between Ceriantharia and Octocorallia. Octocorallia are the only anthozoans without spirocysts. This work underlines the importance of cnidome morphological analysis for taxonomic identification and classification.
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