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Ptilophyllum arcticum
Taxonomy
No taxonomic data are available
Sister species
P. acutifolium (syn. Zamia theobaldii, Palaeozamia rigida, Palaeozamia acutifolium), P. amarjolense, P. antarcticum, P. cutchense (syn. Otozamites contiguus, P. brachyphyllum, Palaeozamia affinis, Palaeozamia cutchensis, Zamia indica), P. deodikarii, P. distanse, P. gladiatum, P. guptae, P. horridum, P. indicum, P. institacallum, P. jabalpurense, P. menendezii, P. muelleri (syn. Anomozamites muelleri), P. nipanica, P. oldhamii, P. pecten, P. pectiniformis, P. raghudevapurense, P. rarinervis, P. rewaensis, P. sahnii, P. sakrigaliensis, P. sparsifolium, P. tenerrimum, P. valvatum
Sister species lacking formal opinion data
Synonymy list
No taxonomic opinions are available
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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
No ecological data are available
Age range: Early/Lower Barremian or 130.00000 to 125.45000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Jurassic - Albian | Canada (British Columbia) | Ptilophyllum arcticum (24850) | |
| Neocomian - Barremian | Canada (British Columbia) | Ptilophyllum arcticum (24786 24855) | |
| Early/Lower Barremian | China | Ptilophyllum arcticum (235409) |