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Poletaevella
Taxonomy
Poletaevella was named by Dalmatov and Repina (1971) [Sepkoski's age data: Cm Boto]. It is not extant. Its type is Poletaevella baljutica.
It was assigned to Redlichiida by Whittington et al. (1997); to Olenellina by Palmer and Repina (1993), Jell and Adrain (2002); and to Olenellida by Sepkoski (2002).
It was assigned to Redlichiida by Whittington et al. (1997); to Olenellina by Palmer and Repina (1993), Jell and Adrain (2002); and to Olenellida by Sepkoski (2002).
Species
P. baljutica (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Poletaevella Dalmatov and Repina |
| 1993 | Poletaevella Palmer and Repina p. 32 fig. 8.4 |
| 1997 | Poletaevella Whittington et al. p. 428 |
| 2002 | Poletaevella Jell and Adrain p. 428 |
| 2002 | Poletaevella Sepkoski |
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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. †Poletaevella Dalmatov and Repina 1971
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†Poletaevella baljutica Dalmatov and Repina 1971
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Olenellinid(?) with posterior margin of cephalon nearly straight. Glabella parallel-sided, bluntly rounded anteriorly; occipital ring unusually short. Pal- pebral lobes short, prominent, located about midway be- tween axial and lateral border furrows, and connected to posterior part of L4 by narrow ocular ridge; posterior tips of ocular lobes opposite L2. Preglabellar field longer
(sag.) than anterior border. Genal spines well developed; intergenal spines not indicated. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Russian Federation | P. baljutica (10170) |