Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Ornithischia
Current position
Alternative positions
Historical positions
| †Ceratopsia (Infraorder) Marsh, 1890 |
Ref:
M.J. Benton, 2005: 398.
|
| †Ceratopsia (Suborder) Marsh, 1890 |
Ref:
D. Lambert & the Diagram Group, 1991(1997): 109.
|
| †Ceratopsia (Suborder) Marsh, 1890 |
Ref:
P. Uetz, [1995-]1996: 30 Dec 1996.
|
| †Ceratopsia (Suborder) Marsh, 1890 |
Ref:
R.L. Carroll, 1988: 622.
|
| †Ceratopsoidea (Superfamily) Marsh, 1888 |
Ref:
P. Sereno, 1986: 252.
|
| †Ceratopsia (Suborder) Marsh, 1890 |
Ref:
H.-P. Schultze et al., 1985: 2, 50.
|
| †Ceratopsia (Suborder) Marsh, 1890 |
Ref:
B. Grzimek et al., 1973 (1971): 596.
|
Number of Subtaxa