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Trigonarca (Costelliarca) punctulata
Taxonomy
Trigonarca (Costelliarca) punctulata was named by Kendrick and Vartak (2007). Its type specimen is ARI G2777/1, a valve, and it is a 3D body fossil. Its type locality is Odiyam locality 2, which is in a Cenomanian marine sandstone in the Karai Formation of India.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Trigonarca (Costelliarca) punctulata Kendrick and Vartak p. 31 fig. 6A_H |
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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.
†Trigonarca (Costelliarca) punctulata Kendrick and Vartak 2007
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 8 | 26.6 | 15.4 | 38.8 | 26.0 | 7.37 |
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Mikkelsen and Bieler 2008 | |||||
Age range: Middle Cenomanian or 99.60000 to 93.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | India | Trigonarca punctulata (type locality: 228245) | |
| Middle Cenomanian | India | Trigonarca punctulata (228244 228246) |