Spetsig knubbsjöstjärna (Pteraster militaris) är en sjöstjärneart som först beskrevs av Otto Friedrich Müller 1776. Spetsig knubbsjöstjärna ingår i släktet Pteraster och familjen knubbsjöstjärnor. Arten har ej påträffats i Sverige. Inga underarter finns listade i Catalogue of Life.
Källor Dyntaxa Pteraster militaris ITIS database, Trott, T.J. (2004) Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. Northeastern Naturalist (Special Issue 2): 261 - 324., Linkletter, L.E. (1977) A checklist of marine fauna and flora of the Bay of Fundy. Huntsman Marine Laboratory, St. Andrews, N.B. 68 p., Brunel, P., L. Bosse, and G. Lamarche. (1998) Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p., Clark, A.M. and M.E. Downey. (1992) Starfishes of the Atlantic. Chapman & Hall Identification Guides, 3. Chapman & Hall: London, UK. . xxvi, 794 pp., Pawson, D. L., D. J. Vance, C. G. Messing, F. A. Solis-Marin, and C. L. Mah. (2009) Echinodermata of the Gulf of Mexico,, Hansson, H.G. (2001) Echinodermata, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50:, Southward, E.C.; Campbell, A.C. (2006) [Echinoderms: keys and notes for the identification of British species]. Synopses of the British fauna (new series), 56. Field Studies Council: Shrewsbury, UK. . 272 pp., Agassiz, A. (1863) On the embryology of Asteracanthion berylinus Ag. and a species allied to A. rubens M.T. A. pallidus, Ag. Proc. Amer. Acad. April 14, 1-8, with a folding plate, Gosner, (1977) Gosner, 1977, WoRMS Asteroidea: World Asteroidea Database. Mah C.L., 2010-12-10
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