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Dirafinesquina antiqua
Taxonomy
Dirafinesquina antiqua was named by Popov and Cocks (2017). Its type specimen is BC 63736, a shell, and it is a 3D body fossil. Its type locality is GK-023, Gerd-Kuh Section, which is in a Dapingian carbonate siltstone in the Gerd-Kuh U15 Formation of Iran.
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Dirafinesquina antiqua Popov and Cocks pp. 5 - 7 figs. 3A-L, 4A |
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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.
†Dirafinesquina antiqua Popov and Cocks 2017
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. E. Popov and L. R. M. Cocks 2017 | Dirafinesquina with an evenly curved lateral profile of the ventral valve; a ventral median septum in the valve centre anteriorly of the muscle field which is itself suboval to diamond shape rather than subcircular; and cardinal process lobes more tubular and tending to extend posteriorly over the hinge line. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009 | |||||