Spirorbis incurvatus är en ringmaskart som beskrevs av Turton 1802. Spirorbis incurvatus ingår i släktet Spirorbis och familjen Serpulidae. Inga underarter finns listade i Catalogue of Life.

Källor Fauchald, Kristian (2007) World Register of Polychaeta, Hartman, O. (1959) Catalogue of the Polychaetous Annelids of the World. Occasional Papers of the Allan Hancock Foundation, 23: 628pp., Mörch, Otto A. L. (1863) Revisio critica Serpulidarum. Et Bidrag til Rørormenes Naturhistorie. Naturhistorisk Tidsskrift, København, Ser. 3, 1: 347-470., WoRMS Polychaeta: World List of Polychaeta. Read G. & Fauchald K., 2010-12-10 Johnston, George (1846) An index to the British Annelids. Annals and Magazine of Natural History, Ser. 1, 16(supplement): 433-462., Jeffreys J. G. (1862) 869). British Conchology. London, van Voorst : Vol. 1:, Turton W. (1802) A General System of Nature, through the three grand Kingdoms of Animals, Vegetables, and Minerals; systematicallydivided into their several classes, orders, genera, species, and varieties, with their habitations, manners, economy, structure,and peculiarit, Montagu, G. (1803) Testacea Britannica or Natural History of British Shells, Marine, Land, and Fresh-water, Including the Most Minute: Systematically Arranged and Embellished with Figures. J. White, London, Vol. 1, xxxvii + 291,

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