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Erismacanthus
Taxonomy
Erismacanthus was named by M'Coy (1848) [Sepkoski's age data: spine]. It is not extant. Its type is Erismacanthus jonesii.
It was assigned to Ichthyodorulites by Hay (1902); to Cochliodontidae by Eastman (1903); and to Holocephali by Sepkoski (2002).
It was assigned to Ichthyodorulites by Hay (1902); to Cochliodontidae by Eastman (1903); and to Holocephali by Sepkoski (2002).
Species
Synonymy list
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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. †Erismacanthus M'Coy 1848
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†Erismacanthus barbatus Eastman 1903
†Erismacanthus formosus Eastman 1902
†Erismacanthus jonesii M'Coy 1848
†Erismacanthus maccoyanus Stjohn and Worthen 1875
†Erismacanthus major Davis 1883
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Early/Lower Mississippian or 358.86000 to 346.70000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Mississippian | USA (Iowa) | E. barbatus (133258) | |
| Mississippian | United Kingdom | E. jonesi, E. major (137333) E. jonesii (132781) |