| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orthotrigonia gracilis
Taxonomy
Trigonia gracilis was named by Kitchin (1900).
It was recombined as Orthotrigonia gracilis by Cox (1952).
It was recombined as Orthotrigonia gracilis by Cox (1952).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Trigonia gracilis Kitchin |
| 1952 | Orthotrigonia gracilis 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.
†Orthotrigonia gracilis Kitchin 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Toarcian to the top of the Callovian or 184.20000 to 161.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | Egypt | Orthotrigonia gracilis (236518) | |
| Callovian | India | Vaugonia gracilis (61794 63075 67584 67623) | |
| Early/Lower Callovian | India | Vaugonia gracilis (61793 61816 61823) |