Aulacoseira newjerseyana sp. 11 .(硅藻门):美国东北部淡水中心硅藻新种

IF 1.9 3区生物学 Q2 MARINE & FRESHWATER BIOLOGY

Diatom Research Pub Date : 2022-07-03 DOI:10.1080/0269249X.2022.2118834

M. Enache, Marina G. Potapova, Meredith Tyree Polaskey, S. Spaulding

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引用次数: 0

摘要

一个新的物种Aulacoseira Thwaites是从惊奇湖的沉积物中描述的，惊奇湖是一个位于新泽西高地的孤立湖泊。该物种的特征是（1）低地幔，（2）大小和形状不等的不均匀分布的地幔晕，以及（3）被圆形晕覆盖的阀瓣面。该新物种与Aulacoseira biseriata（Van Heurk的Grunow）Houk、R.Klee和H.Tanaka最为相似。这两个分类群都具有低的带覆盖层的截头体，具有不规则的全叶排或分散的乳晕。然而，这两个物种在乳晕的形状和模式、地幔壁的形状和结构、小环的形状和深度以及其他形态特征上有所不同。在这项研究中，我们展示了新物种的光学和扫描电子显微镜图像，并将其与最相似的分类群进行了比较。

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Aulacoseira newjerseyana sp. nov. (Bacillariophyta) a new freshwater centric diatom species from the northeastern USA

A new species of Aulacoseira Thwaites is described from sediment deposits of Surprise Lake, an isolated lake located in the New Jersey Highlands. The species is characterized by (1) a low mantle, (2) unevenly distributed mantle areolae of variable size and shape, and (3) a valve face covered by rounded areolae. The new species is most similar to Aulacoseira biseriata (Grunow in Van Heurk) Houk, R. Klee & H. Tanaka. Both taxa possess frustules with mantles that are low, with irregular pervalvar rows or scattered areolae. However, the two species differ in the shape and pattern of the areolae, the shape and structure of the mantle wall, the shape and depth of the ringleist, and other morphological features. In this study, we present light and scanning electron microscopic images of the new species and compare it to the most similar taxa.

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来源期刊

Diatom Research 生物-海洋与淡水生物学

CiteScore

2.70

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： Diatom Research is the journal of the International Society for Diatom Research. The journal is published quarterly, in March, June, September and December, and welcomes manuscripts on any aspect of diatom biology. In addition to full-length papers, short notes and reviews of recent literature are published which need not contain all the sections required for full-length papers; we see these as being necessary to record information which is of interest but which cannot be followed up in detail. Discursive “Opinion” papers are encouraged which would not necessarily follow the normal lay-out. If extremely long papers are to be offered, the author(s) should contact the editors first to discuss any problems. Book reviews, obituaries and meeting reports can be published. All papers will be subject to critical review by the editors and referees, as appropriate to their content. Papers will be accepted in English only.