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Stethacanthus
Taxonomy
Stethacanthus was named by Newberry (1889) [Sepkoski's age data: D Fame-m C Mosc-u Sepkoski's reference number: 451,898]. It is not extant. Its type is Physonemus altonensis.
It was assigned to Ichthyodorulites by Hay (1902); to Cochliodontidae by Eastman (1903); to Janassidae by Jordan (1963); to Stethacanthidae by Zangerl (1981), Williams (1985) and Lund (1985); to Symmoriida by Sepkoski (2002); and to Symmoriidae by Ginter et al. (2010), Ivanov and Lebedev (2014) and Ginter (2018).
It was assigned to Ichthyodorulites by Hay (1902); to Cochliodontidae by Eastman (1903); to Janassidae by Jordan (1963); to Stethacanthidae by Zangerl (1981), Williams (1985) and Lund (1985); to Symmoriida by Sepkoski (2002); and to Symmoriidae by Ginter et al. (2010), Ivanov and Lebedev (2014) and Ginter (2018).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Cladodus hibberti Agassiz p. 200 figs. Pl 22b, fig 25 |
| 1889 | Stethacanthus Newberry |
| 1902 | Stethacanthus Hay p. 333 |
| 1903 | Stethacanthus Eastman p. 213 |
| 1963 | Stethacanthus Jordan p. 593 |
| 1981 | Stethacanthus Zangerl p. 72 |
| 1985 | Stethacanthus Lund p. 2 |
| 1985 | Stethacanthus Williams p. 116 |
| 2002 | Stethacanthus Sepkoski |
| 2004 | Pinegia Minikh |
| 2006 | Pinegocaptus Minikh |
| 2010 | Stethacanthus Ginter et al. p. 61 |
| 2014 | Stethacanthus Ivanov and Lebedev p. 1031 |
| 2018 | Stethacanthus Ginter p. 394 |
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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. †Stethacanthus Newberry 1889
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†Stethacanthus altonensis St. John and Worthen 1875
†Stethacanthus compressus Newberry 1897
†Stethacanthus concavus Ginter 2018
†Stethacanthus depressus Stjohn and Worthen 1875
†Stethacanthus erectus Eastman 1903
†Stethacanthus exilis Hussakof 1913
†Stethacanthus gansuensis Wang et al. 2004
†Stethacanthus humilis Hussakof 1913
†Stethacanthus longipeniculus Zangerl 1990
†Stethacanthus praecursor Hussakof and Bryant 1918
†Stethacanthus productus Newberry 1897
†Stethacanthus tumidus Newberry 1889
Invalid names: Cladodus hibberti Agassiz 1843 [nomen dubium], Pinegocaptus Minikh 2006 [synonym]
Diagnosis
No diagnoses are available