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Taxonomy
Ectenaspis was named by Raymond (1920) [Sepkoski's age data: O Cara-u O Ashg-u Sepkoski's reference number: 795,1066]. It is not extant.
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Asaphidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1920 | Ectenaspis Raymond |
| 2002 | Ectenaspis Jell and Adrain pp. 369, 466 |
| 2002 | Ectenaspis Sepkoski |
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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. †Ectenaspis Raymond 1920
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†Ectenaspis beckeri Slocom 1913
†Ectenaspis burkhalteri Amati 2014
†Ectenaspis homalonotoides Walcott 1879
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Maysvillian to the top of the Richmondian or 450.20000 to 445.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maysvillian | USA (Oklahoma) | E. burkhalteri (164841) | |
| Richmondian | USA (Minnesota) | Megalaspis beckeri (164851) |