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Choubertella
Taxonomy
Choubertella was named by Hupé (1953) [Sepkoski's age data: Cm Atda-l Sepkoski's reference number: 473]. Its type is Choubertella spinosa.
It was assigned to Daguinaspidinae by Palmer and Repina (1993), Geyer (1996); to Fallotaspididae by Whittington et al. (1997); and to Olenellida by Sepkoski (2002).
It was assigned to Daguinaspidinae by Palmer and Repina (1993), Geyer (1996); to Fallotaspididae by Whittington et al. (1997); and to Olenellida by Sepkoski (2002).
Species
C. crassioculata, C. spinosa (syn. C. lata) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Choubertella Hupé |
| 1993 | Choubertella Palmer and Repina p. 28 fig. 8.1 |
| 1996 | Choubertella Geyer p. 182 |
| 1997 | Choubertella Whittington et al. p. 422 |
| 2002 | Choubertella 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Palmer and L. N. Repina 1993 | Daguinaspididae with anterior margin of cephalon gently curved. Glabella moderately to strongly tapered forward. Width of interocular area opposite tip of ocular lobe nearly equal to basal glabellar width; width of extraocular area about equal to width of ocular lobe. Sag- ittal length of frontal area greater than that of occipital ring. Intergenal ridge well developed. | |
| G. Geyer 1996 | Daguinaspidinae with interocular area sub- horizontally or gently sloping laterally, subequal in width to occipital lobe; glabella clearly tapers forward, with narrow frontal lobe; anterior margin of cephalon gently curved; genal spine angle with rudimentary genal spine in !arge individuals. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 | |||||
Age range: Atdabanian or 521.00000 to 516.00000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Morocco | C. spinosa (232768 232769 232770 232771 232773 232774) |