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Khetatheca cotuiensis
Taxonomy
Circotheca cotuiensis was named by Syssoiev (1959). Its type specimen is PIN 1343/7, a shell. It is the type species of Khetatheca.
It was recombined as Turcutheca cotuiensis by Rozanov et al. (1969); it was recombined as Khetatheca cotuiensis by Kouchinsky et al. (2017).
It was recombined as Turcutheca cotuiensis by Rozanov et al. (1969); it was recombined as Khetatheca cotuiensis by Kouchinsky et al. (2017).
Synonymy list
Year | Name and author |
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1959 | Circotheca cotuiensis Syssoiev p. 88 |
1969 | Turcutheca cotuiensis Rozanov et al. p. 129 figs. pl. 13 f. 6 |
2017 | Khetatheca cotuiensis Kouchinsky et al. p. 389 |
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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.
†Khetatheca cotuiensis Syssoiev 1959
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Hendy et al. 2009 |
Age range: Tommotian or 525.50000 to 521.00000 Ma
Collections (16 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Nemakit-Daldynian - Tommotian | Russian Federation (Sakha) | Khetatheca cotuiensis (99229) | |
Tommotian | Russian Federation (Yakutiya) | Turcutheca cotuiensis (96248 96395) | |
Tommotian | Russian Federation (Krasnoyarsk Krai) | Khetatheca cotuiensis (233166 233194 233198 233206) Turcutheca cotuiensis (50429 96392) | |
Tommotian | Russian Federation (Sakha) | Khetatheca cotuiensis (233167) | |
Tommotian | Russian Federation (Yakutia) | Turcutheca cotuiensis (45847 45849) | |
Tommotian | Russian Federation (Siberia) | Turcutheca cotuiensis (50428 50430 50431 50432) |