Pyrenomonas

Pyrenomonas is a genus of cryptomonad. It is a red alga with a bilobed chloroplast and a central pyrenoid, which has an invagination that houses a nucleomorph.
Pyrenomonas salina, the type species, was characterized in 1984 but has since been renamed to Rhodomonas salina. According to AlgaeBase, Pyrenomonas would only encompass two recognized species: Pyrenomonas helgolandii U.Santore and Pyrenomonas ovalis P.Kugrens, B.L.Clay & R.E.Lee, 1999. The following species are considered synonyms of the accepted names:Pyrenomonas abbreviata Santore, 1986. Synonym of: Rhodomonas ''abbreviata D.R.A.Hill & Wetherbee.Pyrenomonas heteromorpha Santore, 1986. Synonym of: Rhodomonas heteromorpha Butcher ex D.R.A.Hill & R.Wetherbee.Pyrenomonas maculata Santore, 1986. Synonym of: Rhodomonas maculata D.R.A.Hill & Wetherbee.Pyrenomonas reticulata U.J.Santore, 1986. Synonym of: Rhinomonas reticulata G.Novarino.Pyrenomonas salina Santore, 1984. Synonym of: Rhodomonas salina'' D.R.A.Hill & R.Wetherbee.