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Ptilozamites
Taxonomy
Ptilozamites was named by Nathorst (1878). It is not extant.
It was assigned to Cycadaceae by Knowlton (1919); to Cycadophyta by Andrews (1970); and to Umkomasiaceae by Meyen (1984).
It was assigned to Cycadaceae by Knowlton (1919); to Cycadophyta by Andrews (1970); and to Umkomasiaceae by Meyen (1984).
Species
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. †Ptilozamites Nathorst 1878
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†Ptilozamites davidovii Sixtel 1962
†Ptilozamites elegans Sixtel 1962
†Ptilozamites heeri Nathorst 1878
†Ptilozamites leckenbyi Bean 1864
†Ptilozamites nilssonii Nathorst 1878
†Ptilozamites sandbergeri Schenk 1866
†Ptilozamites tenuis Oishi 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Anisian to the top of the Middle Jurassic or 247.20000 to 161.50000 Ma
Collections (59 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pelsonian | Italy | P. sp. (154334) | |
| Anisian - Ladinian | China (Gansu) | P. sp. 1 (29705) | |
| Ladinian | Switzerland | P. sandbergeri (154420) | |
| Ladinian | Italy | P. sandbergeri (154329 154330) | |
| Ladinian - Carnian | Kyrgyzstan | P. sp. 1, P. sp. 2 (30273) | |
| Ladinian - Norian | Iran | P. sp. 1 (30190) | |
| Carnian | Austria | Pterophyllum sandbergeri (24680) | |
| Carnian | China (Hunan) | P. sp. 1 (29638) | |
| Carnian | Italy | P. sandbergeri (154456) P. sp., P. sandbergeri (154455) | |
| Carnian | Ukraine | P. sp. 1 (30953) | |
| Carnian - Norian | China (Jilin) | P. sp. 1 (29589) | |
| Late/Upper Triassic | Greenland | P. nilssoni (23380 23448 23452 23467 23476 23937 23938 23941 23943) P. schenki (23456) | |
| Carnian - Rhaetian | China (Anhui) | P. sp. 1, P. sp. 2 (29701) | |
| Carnian - Rhaetian | China (Qinghai) | P. sp. 1 (30096) | |
| Carnian - Rhaetian | China (Guangdong) | P. sp. 1 (29887 29892) P. sp. 1, P. sp. 2 (29890) | |
| Norian | China (Hunan) | P. sp. 1 (29636) P. sp. 1, P. sp. 2 (29585 29983) | |
| Norian | Ukraine | P. sp. 1 (30952) | |
| Norian | China (Yunnan) | P. sp. 1 (29862) | |
| Norian | China (Sichuan) | P. sp. 1 (30045 30076) | |
| Norian - Rhaetian | Tajikistan | P. sp. 1 (30898) | |
| Norian - Rhaetian | Ukraine | P. sp. 1 (30954) | |
| Norian - Rhaetian | China (Fujian) | P. sp. 1 (29785) P. sp. 1, P. sp. 2 (29782) | |
| Norian - Rhaetian | China (Jiangxi) | P. sp. 1, P. sp. 2 (29536 29568 29689) | |
| Norian - Rhaetian | China (Sichuan) | P. sp. 1 (29764 29936 29995 30028) P. sp. 1, P. sp. 2 (30052) | |
| Norian - Rhaetian | Japan | P. sp. 1, P. sp. 2 (30205) | |
| Rhaetian | Sweden | P. nilssoni (31176 31179) | |
| Rhaetian | Ukraine | P. sp. 1 (30957) | |
| Rhaetian | China (Sichuan) | P. sp. 1 (30044) | |
| Rhaetian | Germany | P. blasii (24837) | |
| Rhaetian | Greenland | P. nilssonii (154459) | |
| Rhaetian - Liasicus | Sweden | P. blasii, P. heeri, P. nilssonii (154457) | |
| Rhaetian - Liasicus | Germany | P. heeri (154458) | |
| Rhaetian - Early/Lower Jurassic | Sweden (Scania) | P. blasii, P. carlsonii, P. heeri, P. nilssonii (25046) | |
| Early/Lower Jurassic | China (Guangdong) | P. sp. 1 (29519) | |
| Middle Jurassic | Russian Federation | P. sp. 1 (30609) |