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Protoskenidioides
Taxonomy
Protoskenidioides was named by Williams (1974). It is not extant. Its type is Protoskenidioides revelata.
It was assigned to Orthida by Sepkoski (2002); to Protorthida by Zhan and Jin (2005); and to Skenidiidae by Williams et al. (2000), Benedetto (2003) and Hansen and Holmer (2011).
It was assigned to Orthida by Sepkoski (2002); to Protorthida by Zhan and Jin (2005); and to Skenidiidae by Williams et al. (2000), Benedetto (2003) and Hansen and Holmer (2011).
Species
P. promontorium, P. revelata (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Protoskenidioides Williams |
| 2000 | Protoskenidioides Williams et al. p. 713 |
| 2002 | Protoskenidiodes Sepkoski |
| 2003 | Protoskenidioides Benedetto |
| 2005 | Protoskenidioides Zhan and Jin p. 375 |
| 2011 | Protoskenidioides Hansen and Holmer |
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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. †Protoskenidioides Williams 1974
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†Protoskenidioides promontorium Hansen and Holmer 2011
†Protoskenidioides revelata Williams 1974
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy et al. 2009 | |||||
Age range: base of the Blackhillsian to the top of the Arenig or 474.90000 to 466.00000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenigian | Argentina | P. revelata (115170 115181) | |
| Dawan | China (JiangSu) | Protoskenidiodes sp. (7933) | |
| Arenig | China (Hubei) | Protoskenidiodes sp. (4714 4715) | |
| Arenig | United Kingdom (Shropshire) | P. revelata (43918 43930 43931) | |
| Arenig | United Kingdom (England) | Protoskenidiodes sp. (3684) | |
| Floian | China (Hubei) | P. huanghuaensis (186117 186120) | |
| Blackhillsian | Norway (Spitsbergen) | P. promontorium (189896 189901 189911 189924 189929) | |
| Castlemainian - Yapeenian | Ireland | P. hibernicus (153922) | |
| Dapingian | China (Hubei) | P. huanghuaensis (186112 186122 186123 186124 186126) | |
| Darriwilian | China (Yunnan) | P. weixinensis (54187) | |
| Darriwilian | China (Hubei) | P. huanghuaensis (186128 186129 186130 186131 186133) |