Chroomonadaceae is a family of

cryptomonads The cryptomonads (or cryptophytes) are a superclass of algae, most of which have plastids. They are traditionally considered a division of algae among phycologists, under the name of Cryptophyta. They are common in freshwater, and also occur ...

first recognized by Clay et al in 1999 as including genera ''

Chroomonas ''Chroomonas'' is a genus of cryptophytes first described by Anton Hansgirg. It includes the species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can ...

'', '' Falcomonas'', and '' Komma''. Following a molecular phylogenic study in 2002,

Hemiselmis ''Hemiselmis'' is a genus of cryptomonads. History of discovery It was first described by English biologist Mary Parke in 1949. She also described the first species in this genus, ''Hemiselmis rufescens.'' Morphology ''Hemiselmis'' are typ ...

was also placed within the Chroomonadaceae. Today, the family is generally recognized as

sister A sister is a woman or a girl who shares parents or a parent with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a familial relationship, it is sometimes used endearingly to ref ...

to the Pyrenomonadaceae. They are one of only two groups of cryptomonads (alongside ''

Rhinomonas ''Rhinomonas'' is a genus of cryptophytes. It includes the species ''Rhinomonas pauca''. References Cryptista genera {{Cryptomonad-stub ...

'') to lack a rhizostyle. They are also distinguished by the lack of a

cleavage furrow In cell biology, the cleavage furrow is the indentation of the cell's surface that begins the progression of cleavage, by which animal and some algal cells undergo cytokinesis, the final splitting of the membrane, in the process of cell divisio ...

and the presence of several phycocyanins and phycoerythrins not observed in any other cryptomonad taxa.

Taxonomy

Laza-Martinez, 2012

References

{{Taxonbar, from=Q12620720 Cryptomonads Cryptista families