no keel to sternum, [26];
no pygostyle, [6] n.;
quadrate bone, [26];
restoration, [46];
teeth, [12];
H. crassipes, [46];
H. regalis, [46]
Hesperornithes, [25];
structure, etc., [46] f.
Heteractitis incanus, [285]
no keel to sternum, [26];
no pygostyle, [6] n.;
quadrate bone, [26];
restoration, [46];
teeth, [12];
H. crassipes, [46];
H. regalis, [46]
Hesperornithes, [25];
structure, etc., [46] f.
Heteractitis incanus, [285]