Normal Stages of Development of the Japanese Lungless Salamander, Onychodactylus japonicus (Houttuyn)
ハコネサンショウウオの発生段階図表

Hisaaki IWASAWA, Yoshio KERA
1980 Japanese journal of herpetology  
A table for the normal stages of the development of the Japanese lungless salamander, Onychodactylus japonicus, is presented. Adult males and females, collected in Hinoemata, Fukushima Prefecture, in the breeding season, were injected with frog pituitaries, and oviposition was induced. The number of eggs laid by one female was 11 on the average.
doi:10.5358/hsj1972.8.3_73 fatcat:fkjtraii6radzglchwgyxp2yl4