| SN2000 author citation | : | |
Marsh, 1884 [Rowe & Gauthier, 1990] |
| Original name | : | |
Marsh, O.C. 1884. Nature 31: 69.
|
| Subsequent spelling | : | |
Marsh, O.C. 1895. Amer. J. Sci. (3) 50 (300): 494.
|
| Subsequent clade name (orig. spell.) | : | |
Rowe & Gauthier, 1990. |
| Original definition [PhyloCode] | : | |
Rowe & Gauthier, 1990. |