Tardigrades of North America: Oreella chugachii, a new species (Heterotardigrada, Echiniscoide, Oreellidae) from Alaska

被引：7

作者：

Calloway, Stephanie ^{[1
]}

Miller, William R. ^{[2
]}

Johansson, Carl ^{[1
]}

Whiting, Jeremy ^{[3
]}

机构：

[1] Fresno City Coll, Dept Biol, Fresno, CA 93726 USA

[2] Baker Univ, Dept Biol, Baldwin City, KS 66006 USA

[3] Brigham Young Univ, Dept Biol, Provo, UT 84602 USA

来源：

PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON | 2011年 / 124卷 / 01期

基金：

美国国家科学基金会;

关键词：

Alaska; Barcode; Genbank; water bears; PHYLUM; PHYLOGENY;

D O I：

10.2988/10-08.1

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A new species of tardigrade in the genus Oreella (Hetero-tardigrada, Echiniscoide, Oreellidae) is described from Girdwood, Alaska, U.S.A., North America. Oreella chugachii, new species, has single granulation, a short cirri A, and a small primary clava. The pharyngeal tube is long and flexible, eyes may be present, and the eggs have small pointed tips on their projections. In addition, a segment of the 18s rDNA gene is filed with GenBank as part of the description. The discovery in the northern hemisphere of a population of a new species of Oreella, a previously monotypic, Gondwanian genus, expands the biogeography of what is believed to be a foundation group for limno-terrestrial tardigrades.

引用

页码：28 / 39

页数：12

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