Statoblasts are a means to reproduce asexually by a method that is unique among bryozoans and enables a colony's lineage to survive the variable and uncertain conditions of freshwater environments. Statoblasts are masses of cells that function as "survival pods"rather like the gemmules of sponges.

Variability of the statoblast in Lophopodella carteri
Statoblast morphology and systematics of the freshwater bryozoan Hyali...
Francis,1977,J.Pal.limno. - bryozoan statoblast, Michigan sediments.pdf
Statoblast ultrastructure and genetic identity of Pectinatella magnifica population, based on COI gene, from three different watersh...
Comparison of radiosensitivity of dormant eggs, gemmules and statoblast of freshwater invertebrate forms
Three new species of plumatellid bryozoans (Ectoprocta:Phylactolaemata) defined by statoblast nodules
A review of Plumatella javanica Kraepelin 1906 (Ectoprocta) with a reassessment of statoblast morphology
Genetic changes within freshwater bryozoan populations suggest temporal gene flow from statoblast banks
Ultrastructural studies on the formation of yolk granules in the statoblast of a fresh‐water bryozoan, Pectinatella gelatinosa
Divergent dispersal strategies in the freshwater bryozoan Plumatella repens : ramet size effects on statoblast numbers