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Vietnamia nivalis
Taxonomy
Calymene nivalis was named by Salter (1865). Its type specimen is NHM I.13553, a pygidium, and it is a 3D body fossil.
It was recombined as Neseuretus nivalis by Dean (1967), Dean (1975) and Morris and Fortey (1985); it was recombined as Vietnamia nivalis by Turvey (2005).
It was recombined as Neseuretus nivalis by Dean (1967), Dean (1975) and Morris and Fortey (1985); it was recombined as Vietnamia nivalis by Turvey (2005).
Sister species lacking formal opinion data
Synonymy list
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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.
†Vietnamia nivalis Salter 1865
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. T. Turvey 2005 | Species of Vietnamia with only slightly laterally expanded L1; intermediate lobe poorly developed; preglabellar area 25–35 per cent cephalic length (sag.); pygidium with nine axial rings and five well-defined pleural furrows, sixth furrow poorly defined. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Collections
No collection or age range data are available