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Pronunciation varies by accent · noun
Any of the clade †Hesperornithes of extinct toothed birds..
Flight loss among marine divers started in the Cretaceous, among the hesperornithiforms and perhaps separately in the baptornithids.
This study presents a new taxon of hesperornithiform from the Smoky Hill Member, Fumicollis hoffmani, the holotype of which is among the more complete hesperornithiform skeletons.
Comprehensive studies of hesperornithiforms show how some of these birds independently evolved large sizes (at least twice) during their long evolutionary history.
Use hesperornithiform when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hesperornithiform means Any of the clade †Hesperornithes of extinct toothed birds..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Flight loss among marine divers started in the Cretaceous, among the hesperornithiforms and perhaps separately in the baptornithids.
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