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Hemibarrandia
Taxonomy
Hemibarrandia was named by Prantl and Pribyl (1949) [Sepkoski's age data: O Trem-l O Trem-u Sepkoski's reference number: 1075]. It is not extant.
It was assigned to Panderiidae by Jell and Adrain (2002); to Asaphida by Sepkoski (2002); and to Hemibarrandiidae by Mergl and Kozak (2016).
It was assigned to Panderiidae by Jell and Adrain (2002); to Asaphida by Sepkoski (2002); and to Hemibarrandiidae by Mergl and Kozak (2016).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Hemibarrandia Prantl and Pribyl |
| 1951 | Pseudonileus Kobayashi |
| 2002 | Hemibarrandia Jell and Adrain p. 383 |
| 2002 | Hemibarrandia Sepkoski |
| 2016 | Hemibarrandia Mergl and Kozak |
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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. †Hemibarrandia Prantl and Pribyl 1949
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†Hemibarrandia holoubkovensis Ruzicka 1926
†Hemibarrandia klouceki Mergl 2006
Invalid names: Pseudonileus Kobayashi 1951 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Tremadoc or 486.40000 to 477.10000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Czechia | H. holoubkovensis (229958) | |
| Tremadoc | France (Montagne Noire) | H. sp. (20829 76571) | |
| Tremadoc | Czechia | H. holoubkovensis (3782 3837 192830 210165) H. klouceki (223845) |