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Sphenacanthus
Taxonomy
Sphenacanthus was named by Agassiz (1837) [Sepkoski's age data: C Ms P]. It is the type genus of Sphenacanthidae.
It was assigned to Cestraciontidae by Woodward (1889); to Heterodontidae by Jordan (1963); to Ctenacanthida by Sepkoski (2002); and to Sphenacanthidae by Ivanov (1999), Pauliv et al. (2012), Ivanov et al. (2013) and Ivanov (2017).
It was assigned to Cestraciontidae by Woodward (1889); to Heterodontidae by Jordan (1963); to Ctenacanthida by Sepkoski (2002); and to Sphenacanthidae by Ivanov (1999), Pauliv et al. (2012), Ivanov et al. (2013) and Ivanov (2017).
Synonymy list
Year | Name and author |
---|---|
1837 | Sphenacanthus Agassiz p. 23 |
1889 | Sphenacanthus Woodward p. 241 |
1963 | Sphenacanthus Jordan p. 595 |
1999 | Sphenacanthus Ivanov p. 278 |
2002 | Sphenacanthus Sepkoski |
2012 | Sphenacanthus Pauliv et al. p. 244 |
2013 | Sphenacanthus Ivanov et al. p. 154 |
2017 | Sphenacanthus Ivanov p. 724 |
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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. †Sphenacanthus Agassiz 1837
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†Sphenacanthus aequistriatus Davis 1879
†Sphenacanthus costellatus Traquair 1884
†Sphenacanthus hybodioides Agassiz 1843
†Sphenacanthus hybodoides Newberry 1873
†Sphenacanthus marshi Newberry 1873
†Sphenacanthus riorastoensis Pauliv et al. 2012
†Sphenacanthus sanpauloensis Chahud et al. 2010
†Sphenacanthus serrulatus Agassiz 1837
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, subp = subphylum | |||||
References: Wagner 2023, Carroll 1988 |
Age range: base of the Famennian to the top of the Capitanian or 372.20000 to 259.90000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Famennian | Russian Federation | S. sp. (133361) | |
Arundian | United Kingdom (Scotland) | S. costellatus (90682) | |
Bashkirian | United Kingdom (England) | Ctenacanthus hybodioides (132670) | |
Kasimovian | USA (Illinois) | S. sp. (224241) | |
Artinskian | Russian Federation | S. sp. (184256) | |
Kungurian | Brazil | S. sanpauloensis (51070) | |
Roadian | USA (Texas) | S. sp. (132079) | |
Capitanian | Brazil (ParanĂ¡) | S. riorastoensis (138449) |