''Geminella'' is the scientific name for several genera of organisms and may refer to:
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''Geminella'' (alga), a genus of green algae
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''Geminella'' (bryozoan) Szczechura, 1994, a genus of fossil
bryozoans
Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies. Typically about long, they have a special feeding structure called a l ...
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''Geminella'' (hydrozoan) Billard, 1925, a genus of
hydrozoans
Hydrozoa (hydrozoans; ) are a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water. The colonies of the colonial species can be large, and in some cases the specialized ...
{{Genus disambiguation