Karyotypes of two rare species of hynobiid salamanders from Taiwan,Hynobius sonani (Maki) and Hynobius formosanus Maki (Urodela) |
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| Authors: | K. Iizuka J. Kezer T. Seto |
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| Affiliation: | (1) Shimura 5th Jr. High School, 2-1-20 Sakashita, Itabashi-ku, 174 Tokyo, Japan;(2) Dept of Biology, University of Oregon, 97403 Eugene, Oregon, USA;(3) Dept of Biology, Faculty of Education, Shimane University, 690 Matsue, Shimane, Japan;(4) 5-10-8 Sendagi, Bunkyo-ku, 113 Tokyo, Japan |
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| Abstract: | Two salamanders endemic to Taiwan, Hynobius sonani and Hynobius formosanus, are similar to Japanese hynobiids in having 2n = 58 chromosomes and by the absence of a medium-sized telocentric pair. H. sonani has 6 metacentric and 10 telocentric microchromosome pairs, while H. formosanus has 5 metacentric and 11 telocentric microchromosome pairs. The karyotype of H. sonani is nearly identical to that of the Japanese hynobiid salamander H. boulengeri. Karyophylogenetic relationships among forms of mountain-stream type hynobiids of Taiwan and Japan are discussed.This paper is dedicated to late Mr. Tadao Yamamoto who died on November 2, 1985. |
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