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Laevitrigonia spissicostata
Taxonomy
Trigonia spissicostata was named by Kitchin (1903). It is not extant.
It was recombined as Laevitrigonia spissicostata by Cox (1952).
It was recombined as Laevitrigonia spissicostata by Cox (1952).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Trigonia spissicostata Kitchin |
| 1952 | Laevitrigonia spissicostata 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.
†Laevitrigonia spissicostata Kitchin 1903
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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 Oxfordian to the top of the Kimmeridgian or 163.50000 to 152.10000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian - Kimmeridgian | Somalia | Trigonia spissicostata (94528) |