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Penetrigonias
Taxonomy
Penetrigonias was named by Tanner and Martin (1976). It is not extant. Its type is Caenopus dakotensis.
It was assigned to Rhinocerotidae by Tanner and Martin (1976), Carroll (1988), Prothero and Schoch (1989), Prothero (1998), Prothero (2005).
It was assigned to Rhinocerotidae by Tanner and Martin (1976), Carroll (1988), Prothero and Schoch (1989), Prothero (1998), Prothero (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Penetrigonias Tanner and Martin |
| 1988 | Penetrigonias Carroll |
| 1989 | Penetrigonias Prothero and Schoch p. 535 |
| 1998 | Penetrigonias Prothero p. 598 |
| 2005 | Penetrigonias Prothero pp. 29-30 |
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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.
G. †Penetrigonias Tanner and Martin 1976
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†Penetrigonias dakotensis Peterson 1920
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Invalid names: Penetrigonias hudsoni Tanner and Martin 1976 [synonym]
†Penetrigonias sagittatus Russell 1982
Diagnosis
No diagnoses are available