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Ctenodus cristatus
Taxonomy
Ctenodus cristatus was named by Agassiz (1838). It is a 3D body fossil. Its type locality is Mazon Creek (YPM collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.
It was recombined as Sagenodus cristatus by Sternberg (1841) and Eastman (1903).
It was recombined as Sagenodus cristatus by Sternberg (1841) and Eastman (1903).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1838 | Ctenodus cristatus Agassiz p. 137 figs. Pl 19, fig 16 |
| 1841 | Sagenodus cristatus Sternberg |
| 1868 | Ctenodus corrugatus Atthey |
| 1868 | Ctenodus tuberculatus Atthey |
| 1869 | Ctenodus concavus Barkas |
| 1869 | Ctenodus ovatus Barkus |
| 1891 | Sagenodus corrugatus Woodward |
| 1891 | Ctenodus cristatus Woodward p. 251 figs. pl. iv, fig. 1 |
| 1902 | Ctenodus cristatus Hay p. 353 |
| 1903 | Sagenodus cristatus Eastman p. 188 figs. pl. 3, fig. 30 |
| 2013 | Ctenodus cristatus Sharp and Clack |
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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.
†Ctenodus cristatus Agassiz 1838
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Invalid names: Ctenodus concavus Barkas 1869 [synonym], Ctenodus ovatus Barkus 1869 [synonym], Ctenodus tuberculatus Atthey 1868 [synonym], Sagenodus corrugatus Woodward 1891 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Collections
No collection or age range data are available