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Protencrinus
Taxonomy
Protencrinus was named by Jeakel (1918) [Sepkoski's age data: C Mosc-l P Leon]. It is not extant. It is the type genus of Protencrinidae.
It was assigned to Cladida by Sepkoski (2002); and to Protencrinidae by Webster (2012), Mao et al. (2018).
It was assigned to Cladida by Sepkoski (2002); and to Protencrinidae by Webster (2012), Mao et al. (2018).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Protencrinus Jeakel |
| 2002 | Protencrinus Sepkoski |
| 2012 | Protencrinus Webster p. 107 |
| 2018 | Protencrinus Mao et al. p. 1071 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Bashkirian to the top of the Artinskian or 323.40000 to 283.30000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bashkirian | USA (Oklahoma) | P. atoka (90798 90799) | |
| Asselian | China (Henan) | P. baliensis (197054) | |
| Asselian | Greece | P. baliensis (137662) | |
| Artinskian | Slovenia | P. baliensis (236360) |