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Cercidiphyllum genetrix
Taxonomy
Populus genetrix was named by Newberry (1868). It is a compression fossil.
It was recombined as Cercidiphyllum genetrix by Hickey (1977); it was recombined as Trochodendroides genetrix by Manchester (2014).
It was recombined as Cercidiphyllum genetrix by Hickey (1977); it was recombined as Trochodendroides genetrix by Manchester (2014).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1868 | Populus genetrix Newberry |
| 1919 | Populus genetrix Knowlton |
| 1977 | Cercidiphyllum genetrix Hickey |
| 2014 | Trochodendroides genetrix Manchester p. 167 figs. Text-figs. 7.1-7.3 |
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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.
†Cercidiphyllum genetrix Newberry 1868
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2009 | |||||
Age range: base of the Lancian to the top of the Graybullian or 72.20000 to 50.50000 Ma
Collections (86 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lancian | USA (North Dakota) | Cercidiphyllum genetrix (25437 25461 25476 25477 48224 48246 48267 48293) | |
| Puercan | USA (North Dakota) | Cercidiphyllum genetrix (25010 25012 25427 25440) | |
| Puercan | USA (Wyoming) | Cercidiphyllum genetrix (11334 11340 11359 11366 11368 11389 11401 14805) | |
| Early/Lower Paleocene | USA (Montana) | Cercidiphyllum genetrix (129028) | |
| Torrejonian | USA (Wyoming) | Cercidiphyllum genetrix (11332 11351 11367 11402) | |
| Torrejonian | USA (North Dakota) | Cercidiphyllum genetrix (24954 24957 24962 24965) | |
| Tiffanian | USA (Wyoming) | Cercidiphyllum genetrix (11331 11333 11341 11361 11362 11383 11403 11478) | |
| Late/Upper Paleocene | USA (Wyoming) | Cercidiphyllum genetrix (28656 64106 129222 129223 129224) | |
| Clarkforkian | USA (Wyoming) | Cercidiphyllum genetrix (11348 11352 11372 11373 11374 11376 11377 11378 11379 11380 11384 11386 11420 11445) | |
| Clarkforkian | USA (North Dakota) | Cercidiphyllum genetrix (10803 10805 10808 10809 10811 10968 10969 10970 10981 10983 10984) | |
| Graybullian | USA (Wyoming) | Cercidiphyllum genetrix (11336 11349 11350 11360 11370 11395 11396 11406 11436 11476 11477 11495 11496 11506) | |
| Lostcabinian | USA (Wyoming) | Cercidiphyllum genetrix (11358 11479 11484 11485) | |
| Wasatchian | USA (North Dakota) | Cercidiphyllum genetrix (10965) |