Twenty strains of isolated from water are assigned to a new species in the genus on the basis of phenetic (numerical analysis) and genetic (deoxyribonucleic acid [DNA]-DNA hybridization) evidence. They are closely related to each other (75 to 91% DNA-DNA relatedness) and show 50% DNA relatedness with species of but only 20 to 30% relatedness with other members of the family . The strains are acetoin, gelatinase, and deoxyribonuclease negative, but lysine, ornithine decarboxylase, and Tween-esterase positive. They are metabolically very active, fermenting all the sugars and alcohols tested except melezitose, inulin and sorbose. The name is proposed for these strains. Strain 11 (= ATCC 29844) is the type strain of the species.


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