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Parahesperornis
Taxonomy
Parahesperornis was named by Martin (1984) [Sepkoski's age data: K Sant Sepkoski's reference number: 1066]. Its type is Parahesperornis alexi.
It was assigned to Hesperornidae by Martin (1984) and Carroll (1988); to Hesperornithiformes by Sepkoski (2002); to Ornithuromorpha by O'Connor and Zelenkov (2013), Wang et al. (2014) and O'Connor et al. (2014); to Hesperornithidae by Bell and Everhart (2009) and Bell and Chiappe (2016); and to Hesperornithidae by Bell and Chiappe (2020).
It was assigned to Hesperornidae by Martin (1984) and Carroll (1988); to Hesperornithiformes by Sepkoski (2002); to Ornithuromorpha by O'Connor and Zelenkov (2013), Wang et al. (2014) and O'Connor et al. (2014); to Hesperornithidae by Bell and Everhart (2009) and Bell and Chiappe (2016); and to Hesperornithidae by Bell and Chiappe (2020).
Species
P. alexi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Parahesperornis Martin p. 143 |
| 1988 | Parahesperornis Carroll |
| 2002 | Parahesperornis Sepkoski |
| 2009 | Parahesperornis Bell and Everhart |
| 2013 | Parahesperornis O'Connor and Zelenkov |
| 2014 | Parahesperornis O'Connor et al. |
| 2014 | Parahesperornis Wang et al. |
| 2016 | Parahesperornis Bell and Chiappe |
| 2020 | Parahesperornis Bell and Chiappe |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
No diagnoses are available