Concise hierarchy
(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Hesperornithiformes - (Family) Hesperornithidae
Original entries
Current position
Alternative positions
Historical positions
Ornithurae (Clade) Haeckel 1866 [Gauthier 1986] {Chiappe 1991} |
Ref:
J.K. O'Connor et al., 2010: fig. 9.
[rough position] |
†Hesperornithiformes ([unranked]) Sharpe, 1899 |
Ref:
K. Padian, 2004: table 11.1 (p. [215]), fig. 11.8.
|
Ornithurae (Clade) Haeckel 1866 [Gauthier 1986] {Chiappe 1991} |
Ref:
L.M. Chiappe, 2001: [126] (fig. 1).
|
†Archaeornithes (Subclass) Gadow, 1893 |
Ref:
C.M. Perrins, 1991 (1990): 16; 19.
[rough position] |
†Odontognathae (Superorder) Wetmore, 1930 |
Ref:
T.I. Storer et al., 1979
|
†Hesperornithidae (Family) Marsh, 1872 |
Ref:
P. Brodkorb, 1963: 191.
|
Number of Subtaxa