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Calyptotheca
Taxonomy
Calyptotheca was named by Harmer (1957). It is extant.
It was assigned to Lanceoporidae by Rosso and Sanfilippo (2005), Berning (2006), Guha and Gopikrishna (2007), Guha (2013), Di Martino and Taylor (2015).
It was assigned to Lanceoporidae by Rosso and Sanfilippo (2005), Berning (2006), Guha and Gopikrishna (2007), Guha (2013), Di Martino and Taylor (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Calyptotheca Harmer |
| 2005 | Calyptotheca Rosso and Sanfilippo |
| 2006 | Calyptotheca Berning p. 93 |
| 2007 | Calyptotheca Guha and Gopikrishna |
| 2013 | Calyptotheca Guha |
| 2015 | Calyptotheca Di Martino and Taylor |
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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. Calyptotheca Harmer 1957
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†Calyptotheca aviculifera Guha and Gopikrishna 2007
†Calyptotheca subhexagonalis Guha and Gopikrishna 2007
†Calyptotheca subrectangulata Guha and Gopikrishna 2007
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Smith et al. 2006 | |||||
Age range: base of the Rupelian to the top of the Early/Lower Pleistocene or 33.90000 to 0.77400 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oligocene | India | C. subrectangulata (178701) | |
| Rupelian - Chattian | India (Gujarat) | C. subrectangulata (177174) | |
| Aquitanian | India (Gujarat) | C. aviculifera, C. subhexagonalis (177173) | |
| Early/Lower Miocene | India | C. aviculifera (178703) C. aviculifera, C. subhexagonalis (178702) | |
| Burdigalian | India (Gujarat) | C. aviculifera (177172) | |
| Burdigalian | Indonesia | C. sp. 1 (173651) | |
| Serravallian | Indonesia | C. sp. 1, C. sp. 2 (173647) | |
| Tortonian | Spain | C. sp. 1, C. sp. 2 (178465) | |
| Early/Lower Pleistocene | Italy | C. sp. (146291 146292) |