First cytogenetic study of a member of the harvestman family Pettalidae (Opiliones: Cyphophthalmi)

被引：5
|
作者：
Stahlavsky, Frantisek [1 ]
Boyer, Sarah L. [2 ]
Harvey, Mark S. [3 ,4 ,5 ,6 ]
Giribet, Gonzalo [7 ]
机构：
[1] Charles Univ Prague, Fac Sci, Dept Zool, CZ-12844 Prague, Czech Republic
[2] Macalester Coll, Dept Biol, St Paul, MN 55105 USA
[3] Western Australian Museum, Dept Terr Zool, Welshpool Dc, WA 6986, Australia
[4] Amer Museum Nat Hist, Div Invertebrate Zool, New York, NY 10024 USA
[5] Calif Acad Sci, San Francisco, CA 94118 USA
[6] Univ Western Australia, Sch Anim Biol, Crawley, WA 6009, Australia
[7] Harvard Univ, Dept Organism & Evolutionary Biol, Museum Comparat Zool, Cambridge, MA 02138 USA
来源：
AUSTRALIAN JOURNAL OF ENTOMOLOGY | 2012年 / 51卷
关键词：
Australia; Austropurcellia; chromosome; harvestman; karyotype; meiosis; SEX-CHROMOSOME SYSTEMS; ARACHNIDS ARACHNIDA; SPIDERS ARANEAE; KARYOTYPE; PSEUDOSCORPIONS; EVOLUTION; BIOGEOGRAPHY; PHYLOGENY; POSITION; MEIOSIS;
D O I：
10.1111/j.1440-6055.2012.00870.x
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
We present the karyotype of the Australian harvestman Austropurcellia arcticosa (Cantrell, 1980) (Arachnida: Opiliones: Cyphophthalmi: Pettalidae), which represents the first cytogenetic analysis of Opiliones from the Australasian ecozone. The diploid complement comprised 30 chromosomes, as reported earlier for two other species of Cyphophthalmi in the family Sironidae, but with a predominance of biarmed chromosomes in A.?arcticosa. Morphologically differentiated sex chromosomes were not observed. The course of meiosis is described in the suborder Cyphophthalmi for the first time.
引用
收藏
页码：299 / 302
页数：4
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