Contributions to Zoology, 72 (4) (2003)

Variation in number of trunk vertebrae and in count of costal grooves in salamanders of the family Hynobiidae

S.N. Litvinchuk , L.J. Borkin

Institute of Cytology, Russian Academy of Sciences, Tikhoretsky pr. 4, 194064 St. Petersburg, Russia slitvinchuk@yahoo.com

Zoological Institute, Russian Academy of Sciences , Universitetskaya nab. 1, 199034 St. Petersburg, Russia borkin@spas.spb.su

Keywords: Hynobiidae, trunk vertebrae, costal grooves