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Prismatophyllum
Taxonomy
Prismatophyllum was named by Simpson (1900) [Sepkoski's age data: D Emsi D Give]. It is not extant.
It was synonymized subjectively with Hexagonaria by Hill (1956).
It was assigned to Cylindrophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was synonymized subjectively with Hexagonaria by Hill (1956).
It was assigned to Cylindrophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
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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. †Prismatophyllum Simpson 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Australia (Victoria) | P. chalkii, P. stevensi (40360) | |
| Emsian | Spain (Asturias) | P. sp., P. ovoideum (25292) | |
| Emsian - Eifelian | Canada (Ontario) | P. subcinctum (40039) | |
| Emsian - Eifelian | Spain (Asturias) | P. ovoideum (5908 5909 5910) | |
| Eifelian | Canada (Manitoba) | P. annum (228073 228078) | |
| Early/Lower Givetian | Morocco | P. arcticum (62894) | |
| Givetian | USA (New York) | P. sp. (206793) | |
| Frasnian | Canada (Alberta) | P. sp. (631) |