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Nehalemia delicata
Taxonomy
Nehalemia delicata was named by Blake (1973). It is not extant. Its type specimen is University of California Museum of Paleontology, Berkeley, UCMP A-5018, Holotype. Its type locality is Asteroidea, Keasey fm, Mist, which is in a Priabonian/Rupelian marine sandstone in the Keasey Formation of Oregon. It is the type species of Nehalemia.
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Nehalemia delicata Blake pp. 51-52 figs. 17.37, 18.38-48 |
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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.
†Nehalemia delicata Blake 1973
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Blake 1973 | Flat starfish with long, slender, gently tapering arms and small sub-pentagonal disc; paxillae extend at least 5 mm out arm of base width of about 8 mm; superomarginals probably occupy most of aboral surface in remainder of arms; marginals distinctly encroach on disc, marginals small, short, with rounded margins, large granule bases, spine bases apparently lacking; paxillae small, columnar, tabulae not greatly enlarged. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||
Age range: base of the Priabonian to the top of the Rupelian or 37.71000 to 27.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Priabonian - Rupelian | USA (Oregon) | Nehalemia delicata (type locality: 59920) |