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Eurekablastus ninemilensis
Taxonomy
Eurekablastus ninemilensis was named by Sprinkle and Sumrall (2008). Its type specimen is TMM 1778TX14 and is a 3D body fossil. Its type locality is Narrows Section (WR-2 and WR-2A), which is in a Blackhillsian marine horizon in the Ninemile Formation of Nevada. It is the type species of Eurekablastus.
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Eurekablastus ninemilensis Sprinkle and Sumrall pp. 4 - 6 fig. 1–6 |
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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.
†Eurekablastus ninemilensis Sprinkle and Sumrall 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Sprinkle and C. D. Sumrall 2008 | Theca medium sized, slightly longer than wide, bibrachials and interradials medium sized, moderate number of interbrachials, mostly in one row, cataspire slits ~40%–50% of deltoid length, small raised node in upper center of deltoids, ambulacra moderately wide, uniserial cover plates over side food grooves versus large biserial set over main food groove, no ambulacral or fused oral crests, pelvis plates ornamented with low ridges and concentric bands. |
Measurements
No measurements are available
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| Source: o = order, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Blackhillsian or 475.30000 to 471.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackhillsian | USA (Nevada) | Eurekablastus ninemilensis (type locality: 180654 180655) |