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Majatheca
Taxonomy
Majatheca was named by Rozanov et al. (1969) [Missarzhevsky in Rozanov et al. 1969; Sepkoski's age data: Cm Tomm-u Cm Boto Sepkoski's reference number: 268,522]. Its type is Majatheca tumefacta.
It was assigned to Allathecidae by Rozanov et al. (1969); and to Orthothecida by Sepkoski (2002).
It was assigned to Allathecidae by Rozanov et al. (1969); and to Orthothecida by Sepkoski (2002).
Species
M. tumefacta (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Majatheca Rozanov et al. pp. 141-142 |
| 2002 | Majatheca 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: p = phylum | |||||
| Reference: Hendy et al. 2009 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tommotian | Russian Federation (Yakutiya) | M. tumefacta (80950 80952) | |
| Tommotian | Russian Federation (Yakutia) | M. tumefacta (96393) | |
| Tommotian | Russian Federation (Siberia) | M. tumefacta (50432) | |
| Atdabanian | Russian Federation (Siberia) | M. tumefacta (174247 174257) | |
| Botomian | Russian Federation (Siberia) | M. tumefacta (174260) |