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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trochocyathus collignoni
Taxonomy
Paratrochocyathus collignoni was named by Alloiteau (1958). Its type locality is Ambarimaninga, which is in an Albian offshore marl in the Ambarimaninga Formation of Madagascar.
It was recombined as Trochocyathus collignoni by Kiessling (2014).
It was recombined as Trochocyathus collignoni by Kiessling (2014).
Sister species lacking formal opinion data
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.
†Trochocyathus collignoni Alloiteau 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Middle Albian to the top of the Albian or 109.00000 to 100.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian | Madagascar (Mahajanga) | Paratrochocyathus collignoni (type locality: 86497) | |
| Middle Albian - Late/Upper Albian | USA (New Mexico) | Paratrochocyathus collignoni (35095 35096) |