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Grammatodon (Nanonavis) subcrenulatus
Taxonomy
Grammatodon (Nanonavis) subcrenulatus was named by Kendrick and Vartak (2007). Its type specimen is ARI G2762/2, 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 | Grammatodon (Nanonavis) subcrenulatus Kendrick and Vartak p. 20 figs. 3E-J |
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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.
†Grammatodon (Nanonavis) subcrenulatus 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 | 11.3 | 8.99 | 13.6 | 11.9 | 1.58 |
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Middle Cenomanian or 100.50000 to 93.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | India | Grammatodon subcrenulatus (type locality: 228245) | |
| Middle Cenomanian | India | Grammatodon subcrenulatus (228244 228246) |