After Carpenter, 2001
<==o †Polacanthidae Wieland, 1911
|--+-- †Gargoyleosaurus parkpinorum Carpenter, Miles, & Cloward, 1998 [Gargoyleosaurus parkpini Carpenter, Miles, & Cloward, 1998]
| `--+-- †Hylaeosaurus armatus Mantell, 1833 [Synonyms]
| `-- †Mymoorapelta maysi Kirkland & Carpenter, 1994
`--+-- †Gastonia burgei Kirkland, 1998
`--+-- †Hoplitosaurus marshi (Lucas, 1901) Lucas, 1902a [Stegosaurus marshi Lucas, 1901; Polacanthus marshi (Lucas, 1901)]
`--o †Polacanthus Owen, 1865 non Huxley, 1867
|-- †P. foxii Owen, 1865 non Hulke, 1881
`-- †P. rudgwickensis Blows, 1996
Reference(s):
Carpenter, K., 2001: Phylogenetic analysis of the Ankylosauria. xv-526
in Carpenter, K., (ed.) 2001: The Armored Dinosaurs.
–Indiana University Press, Bloomington & Indianapolis, 2001, pp. xv-526
Carpenter, K., Miles, C. & Cloward, K., 1998: Skull of a Jurassic ankylosaur (Dinosauria).
–Nature: Vol. 393, 25 June, pp. 782-783
Coombs, W. P. Jr., & Marya´nska, T., 1990: Ankylosauria. 456-483
in Weishampel, D. B., Dodson, P., & Osmólska, H. (eds.), 1990: The Dinosauria.
–University of California Press, Berkley, Los Angeles, Oxford, 1990 xvi-733
Keesey, T. M., 1996-2001: The Dinosauricon
–iNet: The Dinosauricon: http://dinosauricon.com/
