- according to Hottinger (2006):
POLYVALENT INDIVIDUALS - (polyvalent tests, twins or triplets) - individuals with two or more megalospheric embryos belonging probably to the same clone, with a common late growth stage. Accidental association, not related to gamontogamy.
Hottinger (2006), Illustrated glossary of terms used in foraminiferal research. Carnets de Géologie, Memoir 2, ISSN 1634-0744