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Orthacanthidae
Taxonomy
Orthacanthidae was named by Heyler and Poplin (1989). Its type is Orthacanthus.
It was assigned to Xenacanthida by Heidtke (1998).
It was assigned to Xenacanthida by Heidtke (1998).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Orthacanthidae Heyler and Poplin p. 70 |
| 1998 | Orthacanthidae Heidtke p. 137 |
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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.
Fm. †Orthacanthidae Heyler and Poplin 1989
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G. †Orthacanthus Agassiz 1843
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†Orthacanthus buxieri Heyler and Poplin 1989
†Orthacanthus compressus Newberry 1856
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Invalid names: Diplodus latus Newberry 1856 [synonym], Diplodus penetrans Dawson 1868 [synonym]
†Orthacanthus donnelljohnsi Johnson and Thayer 2009
†Orthacanthus gibbosus Agassiz 1843
†Orthacanthus gracilis Giebel 1848
†Orthacanthus milleri Agassiz 1843
†Orthacanthus minor Agassiz 1843
†Orthacanthus platypternus Cope 1884
†Orthacanthus pustulosus Agassiz 1843
†Orthacanthus texensis Cope 1888
Invalid names: Chilodus Giebel 1847 [synonym], Didymodus Cope 1883 [synonym], Diplodus Agassiz 1843 [synonym], Dittodus Owen 1867 [synonym], Giebelodus Whitley 1940 [synonym]
Diagnosis
No diagnoses are available