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Binodaspis
Taxonomy
Binodaspis was named by Lermontova (1951) [Sepkoski's age data: Cm Boto-l Cm Tojo-u Sepkoski's reference number: 461,474,522]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychopariidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychopariidae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Binodaspis Lermontova |
| 1980 | Xilingxia Zhang et al. |
| 2002 | Binodaspis Jell and Adrain p. 349 |
| 2002 | Binodaspis Sepkoski |
| 2002 | Xilingxia Sepkoski |
| 2008 | Xilingxia Zhou and Zhen |
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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. †Binodaspis Lermontova 1951
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Invalid names: Xilingxia Zhang et al. 1980 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Atdabanian to the top of the Taijangian or 521.00000 to 504.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | Kazakhstan | B. curta (99357) | |
| Nangaoian - Duyunian | China (Guizhou) | Yuehsienszella ichangensis (107128) | |
| Botomian | Russian Federation | B. sp. (233054) | |
| Botomian | Russian Federation (Yakutia) | B. sp. (90438) | |
| Lenian | Russian Federation (Yakutia) | B. stabilis (10106) | |
| Duyunian | China (Hubei) | Xilingxia elongata (130256) | |
| Toyonian | Russian Federation (Krasnoyarskiy Kray) | B. rara (81441) | |
| Taijangian | China (Hunan) | Xilingxia ichangensis (49269) |