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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Palaechthoninae
Taxonomy
Palaechthoninae was named by Gunnell (1989). It is not extant.
It was assigned to Palaechthonidae by Gunnell (1989).
It was assigned to Palaechthonidae by Gunnell (1989).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Palaechthoninae Gunnell p. 15 |
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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.
Subfm. †Palaechthoninae Gunnell 1989
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G. †Palenochtha Simpson 1935
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†Palenochtha minor Gidley 1923
†Palenochtha weissae Rigby, Jr. 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum | |||||
| References: Ji et al. 2002, Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Tiffanian to the top of the Torrejonian or 61.70000 to 60.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| To2 | Canada (Alberta) | Palenochtha minor (14894) | |
| Torrejonian | USA (Wyoming) | Palenochtha minor, Premnoides douglassi (14912) Palenochtha sp., Palenochtha minor (14898) Palenochtha weissae, Palenochtha minor (14886) | |
| Torrejonian | USA (Montana) | Palenochtha minor (14906) | |
| Tiffanian | USA (Wyoming) | Palenochtha minor (15067) |