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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Costamenjaites
Taxonomy
Costamenjaites was named by Sazonova (1971).
It was synonymized subjectively with Menjaites by Alsen (2006).
It was assigned to Tolliinae by Igolnikov and Sobolev (2025).
It was synonymized subjectively with Menjaites by Alsen (2006).
It was assigned to Tolliinae by Igolnikov and Sobolev (2025).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Costamenjaites Sazonova |
| 2025 | Costamenjaites Igolnikov and Sobolev p. 460 |
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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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 30.0 | |||||
| shell diameter | 1 | 65.0 | |||||
| shell inflation | 1 | 15.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Valanginian or 137.05000 to 132.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Valanginian | Russian Federation | C. grandiosus (241590) | |
| Valanginian | Canada (Northwest Territories) | Temnoptychites grandiosus (87564 87565) |