| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Quadratotrigonia nodosa
Taxonomy
Trigonia nodosa was named by Sowerby (1830). It is not extant. It is the type species of Quadratotrigonia.
It was recombined as Quadratotrigonia nodosa by Cox (1952).
It was recombined as Quadratotrigonia nodosa by Cox (1952).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1830 | Trigonia nodosa Sowerby |
| 1952 | Quadratotrigonia nodosa Cox |
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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.
†Quadratotrigonia nodosa Sowerby 1830
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family | |||||
| References: Ros-Franch et al. 2014, Aberhan et al. 2004 | |||||
Age range: base of the Valanginian to the top of the Late/Upper Aptian or 137.05000 to 113.20000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | Ukraine (Crimea) | Quadratotrigonia nodosa (124740 124742 124867 124868) | |
| Hauterivian - Valanginian | Italy (Sardinia) | Quadratotrigonia nodosa (2089) | |
| Hauterivian | Ukraine (Crimea) | Quadratotrigonia nodosa (124749 124869) | |
| Early/Lower Aptian | United Kingdom (England) | Quadratotrigonia nodosa (235315) | |
| Late/Upper Aptian | France | Quadratotrigonia nodosa (56673 58865) |