An Atractosteus spatula[4] in uska species han Actinopterygii nga syahan ginhulagway ni Lacepède hadton 1803. An Atractosteus spatula in nahilalakip ha genus nga Atractosteus, ngan familia nga Lepisosteidae.[5][6] Waray hini subspecies nga nakalista.[5]
↑ 1.01.11.21.31.4McAllister, D.E. (1990) A working list of fishes of the world., Copies available from D.E. McAllister, Canadian Museum of Nature, P.O. Box 3443, Ottawa, Ontario K1P 6P4, Canada. 2661 p. plus 1270 p. Index.
↑Eschmeyer, W.N. (ed.) (1998) Catalog of fishes., Special Publication, California Academy of Sciences, San Francisco. 3 vols. 2905 p.
↑Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott (1991) Common and scientific names of fishes from the United States and Canada., Am. Fish. Soc. Spec. Pub. (20):183 p.
↑Etnier, D.A. and W.C. Starnes (1993) The fishes of Tennessee., The University of Tennessee Press, Knoxville, Tennessee, USA. (pls. check date).
↑ 5.05.1Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
↑FishBase. Froese R. & Pauly D. (eds), 14 Hunyo 2011