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Taxonomy
Ectenaspis burkhalteri was named by Amati (2014). Its type specimen is OU 11827, a cephalon/head (cranidium with left eye-stalk and palpebral lobe preserved), and it is a 3D body fossil. Its type locality is Hillside exposure and stream cut, about 2.5 km west of Nebo, OK, which is in a Maysvillian deep subtidal grainstone/rudstone in the Welling Formation of Oklahoma.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Ectenaspis burkhalteri Amati pp. 19 - 21 figs. Pls. 14, Fig. 2; 15, 16; Pl. 17, Figs. 1-4 |
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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.
†Ectenaspis burkhalteri Amati 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Amati 2014 | A species of Ectenaspis with border furrow of pygidium becoming obsolete through holaspid ontogeny. Weak axial rings and pleural furrows present. Cranidium wide anterior to palpebral lobes; facial sutures converge at base of proboscis. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Maysvillian or 450.20000 to 449.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maysvillian | USA (Oklahoma) | Ectenaspis burkhalteri (type locality: 164841) |