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Tannudiscus
Taxonomy
Tannudiscus was named by Pokrovskaya (1959) [Sepkoski's age data: Cm Tojo]. It is not extant.
It was assigned to Weymouthiidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was assigned to Weymouthiidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1959 | Tannudiscus Pokrovskaya |
| 1997 | Tannudiscus Whittington et al. p. 398 |
| 2002 | Tannudiscus 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
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian - Botomian | Russian Federation (Gorny Altay) | T. altus (225164) | |
| Atdabanian - Toyonian | China (Gansu) | T. conicus (181359) | |
| Atdabanian - Duyunian | China (Gansu) | T. conicus (181358 181363) | |
| Branchian | United Kingdom (England) | T. balanus, T. altus (225078) | |
| Toyonian | Russian Federation (Tuva) | T. tannuolaicus (81474) | |
| Solvan | Russian Federation (Kemorovo) | T. extentus (57029) |