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Trochophyllum (Permia)
Taxonomy
Permia was named by Stuckenberg (1895). It is not extant.
It was synonymized subjectively with Trochophyllum by Hill (1956); it was reranked as Trochophyllum (Permia) by Easton et al. (1958).
It was assigned to Trochophyllum by Easton et al. (1958).
It was synonymized subjectively with Trochophyllum by Hill (1956); it was reranked as Trochophyllum (Permia) by Easton et al. (1958).
It was assigned to Trochophyllum by Easton et al. (1958).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Permia Stuckenberg |
| 1958 | Trochophyllum (Permia) Easton et al. pp. 18 - 19 |
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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.
Subg. †Trochophyllum (Permia) Stuckenberg 1895
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. H. Easton et al. 1958 | Trochophyllum with a nontabulate axial tube, two orders of septa, the cardinal fossula weakly or strongly developed and lying on the convex side of the coral when the coral is curved, outer tabulae in the loculi, septal grooves usually present, and the axial tube thickened with stereoplasm. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Kinderhookian to the top of the Chadian or 358.86000 to 339.90000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kinderhookian | USA (Montana) | Permia sp. (544) | |
| Arundian - Holkerian | Ireland | Permia cavernula (76517) | |
| Chadian | USA (Tennessee) | Permia sp. (6914) | |
| Chadian - Arundian | USA (Tennessee) | Permia sp. (6915 6916 6917 6923) |