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Prototomus secundarius
Taxonomy
Prototomus secundarius was named by Cope (1875).
It was recombined as Stypolophus secundarius by Cope (1877) and Hay (1902); it was recombined as Sinopa secundarius by Scott (1892); it was recombined as Sinopa secundaria by Matthew (1909) and Matthew and Granger (1915).
It was recombined as Stypolophus secundarius by Cope (1877) and Hay (1902); it was recombined as Sinopa secundarius by Scott (1892); it was recombined as Sinopa secundaria by Matthew (1909) and Matthew and Granger (1915).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Prototomus secundarius Cope p. 9–10 |
| 1877 | Stypolophus secundarius Cope |
| 1892 | Sinopa secundarius Scott p. 310 |
| 1902 | Stypolophus secundarius Hay p. 752 |
| 1909 | Sinopa secundaria Matthew |
| 1915 | Sinopa secundaria Matthew and Granger |
| 1989 | Prototomus secundarius Gingerich and Deutsch |
| 1996 | Prototomus secundarius Polly |
| 1998 | Prototomus secundarius Gunnell |
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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.
†Prototomus secundarius Cope 1875
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Diagnosis
No diagnoses are available