hesperornithid

Etymology
From, from.

Noun

 * 1)  Any extinct avialan in the family.
 * 2) * 2020, Alan Feduccia, Romancing the Birds and Dinosaurs, (BrownWalker Press), page 83,
 * 9. Cretaceous foot-propelled divers, the hesperornithids, were grouped cladistically with loons (Eocene) and grebes (Miocene) as a clade, which would require re-evolution of teeth from an edentulous ancestor.
 * 1) * 2020, Alan Feduccia, Romancing the Birds and Dinosaurs, (BrownWalker Press), page 83,
 * 9. Cretaceous foot-propelled divers, the hesperornithids, were grouped cladistically with loons (Eocene) and grebes (Miocene) as a clade, which would require re-evolution of teeth from an edentulous ancestor.

Related terms

 * member of clade Hesperornithes
 * member of order Hesperornithiformes