Tetragonidiaceae
{{short description|Family of algae}}{{Automatic taxobox
| image_caption = Bjornbergiella hawaiiensis zoospores
| taxon = Tetragonidiaceae
| authority = Bourrelly ex Silva 1980
| subdivision_ranks = Genera
| subdivision = * Bjornbergiella
}}
Tetragonidiaceae is a family of cryptomonads which includes two genera. Members of Tetragonidiaceae are distinguished from other cryptomonads by reproduction occurring in a non-motile vegetative phase, as well as the formation of multicellular filaments unlike any other cryptomonad family.{{Citation |last=Novarino and Lucas |year=1993 |title=Some proposals for a new classification system of the Cryptophyceae |journal=Botanical Journal of the Linnean Society |volume=111 |issue=1 | pages=3–21 |doi=10.1006/bojl.1993.1002}}{{Citation |last=Bicudo |year=1965 |title=Bjornbergiella, a New Genus of Cryptophyceae from Hawaiian Soil |journal=Phycologia |volume=5 |issue=4 | pages=217–221 |doi=10.2216/i0031-8884-5-4-217.1}}
References
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{{Cryptista}}
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