Development of rostellar hooks in Paricterotaenia paradoxa(Cestoda:Cyclophyllidea)

Zdroj: Canadian Journal of Zoology; September 1969, Vol. 47 Issue: 5 p1011-1013, 3p
Abstrakt: Changes in the distribution and form of the hooks during development of larval Paricterotaenia paradoxaare described. The distribution changes from a rostellum covered with small hooks to a double crown and, finally, to a single crown of definitive hooks. These changes may be of phylogenetic significance.
Databáze: Supplemental Index