92
Fig. 1.20 Embryo incubation, larval release and ancestrula in: ( A , B , D )
Cellaria aurorae ; ( C ) Puellina sp.; ( E ) Menipea roborata . ( A , B )
Brood sac of endotoichal ovicell with embryos at different stages of
development. ( C ) Ancestrula. ( D , E ) Release of larva from ovicell.
Abbreviations: bs brood sac (formed by modified ooecial vesicle),
е embryo, l larva, m muscle bundles of brood sac (ooecial vesicle),
ое ooecium, op operculum, os oral spine. Scale bars: A , 10 μm; B – E ,
100 μm
1 Reproductive Patterns of Gymnolaemate Bryozoa: General Overview and Comparative Analysis
Fig. 1.20 Embryo incubation, larval release and ancestrula in: ( A , B , D )
Cellaria aurorae ; ( C ) Puellina sp.; ( E ) Menipea roborata . ( A , B )
Brood sac of endotoichal ovicell with embryos at different stages of
development. ( C ) Ancestrula. ( D , E ) Release of larva from ovicell.
Abbreviations: bs brood sac (formed by modified ooecial vesicle),
е embryo, l larva, m muscle bundles of brood sac (ooecial vesicle),
ое ooecium, op operculum, os oral spine. Scale bars: A , 10 μm; B – E ,
100 μm
1 Reproductive Patterns of Gymnolaemate Bryozoa: General Overview and Comparative Analysis