Journal
CONTRIBUTIONS TO ZOOLOGY
Volume 72, Issue 4, Pages 195-209Publisher
BRILL
DOI: 10.1163/18759866-07204001
Keywords
Hynobiidae; trunk vertebrae; costal grooves
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Ten species from five genera of the family Hynobiidae were studied. The number of trunk vertebrae varied between 14 and 2 1, and the count of costal grooves ranged from 10 to 15. Both the within-species variation and the within-population variation were recorded in some species. In both kinds the values of the coefficient of variation were quite low. In Salamandrella keyserlingii, the south-eastern samples markedly differed from remaining ones. Among the hynobiids, the genus Onychodactylus (both species) and Batrachuperus mustersi have higher number of vertebrae in the anterior part of trunk (5 and 4, respectively, versus 3), and, thus, demonstrated a distinct position. The relation between the number of trunk vertebrae and the count of costal grooves was studied. The variation in number of trunk vertebrae across urodelan families was discussed.
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