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Volganella
Taxonomy
Volganella was named by Sharapova and Mandelstam (1956) [Sepkoski's age data: P Tatr].
It was assigned to Palaeocopida by Sepkoski (2002); and to Volganellidae by Sharapova and Mandelstam (1956) and Voronkova (2014).
It was assigned to Palaeocopida by Sepkoski (2002); and to Volganellidae by Sharapova and Mandelstam (1956) and Voronkova (2014).
Synonymy list
Year | Name and author |
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1956 | Volganella Sharapova and Mandelstam p. 94 |
2002 | Volganella Sepkoski |
2014 | Volganella Voronkova p. 485 |
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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.
G. †Volganella Sharapova and Mandelstam 1956
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†Volganella angulata Mishina 1973
†Volganella concava Mishina 1973
†Volganella extensis Voronkova 2014
†Volganella gigantella Mishina 1973
†Volganella golubevi Voronkova 2014
†Volganella magna Spizharsky 1956
†Volganella recta Mishina 1973
†Volganella vjaznikovensis Voronkova 2014
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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valve height | 2 | 0.667 | 0.570 | 0.780 | 0.675 | 0.148 |
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Source: c = class | |||||
Reference: Kiessling 2004 |
Age range: base of the Wordian to the top of the Changhsingian or 266.90000 to 252.17000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Wordian | Russian Federation | V. magna (132367) | |
Capitanian | Russian Federation | V. laevigata, V. magna (197597) | |
Changhsingian | Russian Federation (Vladimir) | V. magna, V. golubevi, V. extensis, V. vjaznikovensis, V. recta, V. angulata, V. concava, V. gigantella (229834) |