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Protoentactinia gracilispinosa
Taxonomy
Protoentactinia gracilispinosa was named by Kozur et al. (1996). It is a 3D body fossil. Its type locality is USGS Loc. 11307-CO, Horse Heaven Mountain [Windfall Fm], which is in a Tremadoc slope limestone in the Windfall Formation of Nevada.
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Protoentactinia gracilispinosa Kozur |
| 1996 | Protoentactinia gracilispinosa Kozur et al. pp. 253-254 figs. pl. 2, figs. 2, 4, 5 |
| 2002 | Protoentactinia gracilispinosa Won and Iams p. 30 figs. figs. 4.14-4.16 |
| 2007 | Protoentactinia gracilispinosa Won et al. |
| 2008 | Protoentactinia gracilispinosa Maletz and Bruton p. 1186 |
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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.
†Protoentactinia gracilispinosa Kozur et al. 1996
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M.-Z. Won and W. J. Iams 2002 | A median bar-centered six-rayed spicular skeleton, the rays generally trifurcated one to five times but the number of trifurcations differing from ray to ray. |