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Ptychophyllum
Taxonomy
Ptychophyllum was named by Milne-Edwards and Haime (1850) [Sepkoski's age data: S Ldov S Ludl Sepkoski's reference number: 1240]. It is not extant.
It was assigned to Ptychophyllinae by Hill (1956); to Ptychophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Ptychophyllinae by Hill (1956); to Ptychophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species
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. †Ptychophyllum Milne-Edwards and Haime 1850
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†Ptychophyllum infundibulum Meek 1877
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Telychian to the top of the Late/Upper Frasnian or 438.50000 to 376.10000 Ma
Collections (32 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (California) | P. infundibulum (230235) | |
| Silurian | USA (Alaska) | P. sp. (111791 111812) | |
| Llandovery | Russian Federation (Siberia) | P. sibiricum (206313) | |
| Llandovery | Canada (Ontario) | P. sp. (461 513) | |
| Llandovery | Russian Federation (Yakutiya) | P. ortoseptatum (79513) P. sibiricum (79514) | |
| Llandovery - Wenlock | China (Xinjiang) | P. sp. (27816) | |
| Llandovery - Wenlock | USA (Nevada) | P. sp. (24787) | |
| Clinton | Canada (British Columbia) | P. sp. (5143 5145 5147 5151 5152 5153) | |
| Telychian | Canada (Quebec) | P. sp. (25250) | |
| Telychian | United Kingdom (England) | P. spp. (49638) | |
| Telychian | Canada (Ontario) | P. stokesi (184765) | |
| Telychian - Gorstian | Japan (Gokase) | P. sp. (140694) | |
| Wenlock | USA (Alaska) | P. sp. (100930) | |
| Wenlock | Russian Federation (Yakutiya) | P. ortoseptatum (79527) | |
| Wenlock | USA (Iowa) | P. sp. (25044) | |
| Wenlock | India | P. sp. (36257) | |
| Ludlow | Canada (Northwest Territories) | P. sp. (188872) | |
| Pragian | Vietnam | P. sibiricum (83248) | |
| Frasnian | Canada (Northwest Territories) | P. kindlei, P. whittakeri (40147) | |
| Frasnian | Canada (British Colombia-Alberta) | P. kindlei (40286) | |
| Frasnian | Canada (British Columbia) | P. kindlei (40288) P. kindlei, P. whittakeri (83798) | |
| Frasnian | Canada (British columbia) | P. kindlei (50031) | |
| Late/Upper Frasnian | Canada (Alberta) | P. kindlei (83730) |