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Cassiavellia nadkevnae
Taxonomy
Cassiavellia nadkevnae was named by Temkin and Pojeta (2010). Its type specimen is USNM 258965, a valve (Left valve), and it is a 3D body fossil. Its type locality is Locality E25, Merbah el Oussif East, Djebel Tebaga, which is in a Wordian marine shale/limestone in the Middle Shaly Facies Formation of Tunisia.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Cassiavellia nadkevnae Temkin and Pojeta p. 1164 fig. 17 |
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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.
†Cassiavellia nadkevnae Temkin and Pojeta 2010
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 6.80 |
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| Source: f = family, superf = superfamily, o = order, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926, Kiessling 2004 | |||||
Age range: base of the Wordian to the top of the Wuchiapingian or 266.90000 to 254.14000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Tunisia (Madanin) | Gervillia sp. (41836 type locality: 41862 41864) | |
| Wuchiapingian | China (Guangxi) | Cassiavellia nadkevnae (50022) |