期刊
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 154, 期 4, 页码 651-675出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1096-3642.2008.00426.x
关键词
digestive gland; follicle; lymphoid organs; ovariuterus; reproduction; systematics
类别
资金
- AMNH
- Richard Lounsbery Foundation
- American Museum of Natural History (AMNH)
- US National Science Foundation [BIO-DEB 0413453, EAR 0228699, EAR 0313698]
- Stavros Niarchos Foundation
We present a review and reassessment of anatomical variation in the ovariuterus (and associated follicles), digestive gland, and lateral lymphoid organs of scorpions, and discuss the contribution of these character systems to the understanding of scorpion phylogeny. New data, obtained using light microscopy, are presented from an examination of 55 scorpion species, representing most scorpion families, and are collated with observations from the literature. Six distinct types of ovariuterine anatomy are identified: five in the family Buthidae and one in the remaining (nonbuthid) families. The buthid genera Lychas C.L. Koch, 1845 and Rhopalurus Thorell, 1876 are exceptional in possessing multiple types of ovariuterine anatomy among the congeneric species studied. The presence or absence of lateral lymphoid organs appears to be phylogenetically informative: the organ is absent in buthids, chaerilids and Pseudochactas Gromov, 1998. Embryo follicle morphology appears to be phylogenetically informative within the superfamily Scorpionoidea Latreille, 1802, where it supports the controversial sister-group relationship between Urodacus Peters, 1861 and Heteroscorpion Birula, 1903. The mesosomal anatomy of Microcharmus Lourenco, 1995 (Microcharmidae Lourenco, 1996) is consistent with that of Buthidae C.L. Koch, 1837, and we therefore propose the following new synonymy: Microcharmidae Lourenco, 1996 = Buthidae C.L. Koch, 1837. (C) 2008 The Linnean Society of London, Zoological Journal of the Linnean Society, 2008, 154, 651-675.
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