- 5), Lophopus, Cristatella, Pectinatella.
- The form of the colony may thus be a good generic character, or, on the contrary, a single genus or even species may assume a variety of different forms. While nearly all Polyzoa are permanently fixed to one spot, the colonies of Cristatella and Lophopus among the Phylactolaemata can crawl slowly from place to place.
- - Section of a Germinating Statoblast of Cristatella mucedo.
- Cristatella," Zeitschr.
- (8) Davenport, "Cristatella," Bull.