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Homotreta
Taxonomy
Homotreta was named by Bell (1941) [Sepkoski's age data: Cm Boto-u Cm mMid Sepkoski's reference number: 4,522].
It was assigned to Acrotretidae by Williams et al. (2000); and to Acrotretida by Bengtson (1992) and Sepkoski (2002).
It was assigned to Acrotretidae by Williams et al. (2000); and to Acrotretida by Bengtson (1992) and Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1941 | Homotreta Bell |
| 1992 | Homotreta Bengtson p. 1030 |
| 2000 | Homotreta Williams et al. p. 118 |
| 2002 | Homotreta 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.
G. †Homotreta Bell 1941
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Middle Cambrian to the top of the Arenig or 509.00000 to 466.00000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Duyunian - Taijangian | China (Guizhou) | H. sp. (107162 107164 107169 107173) | |
| Middle Cambrian | USA (Montana) | H. interrupta (155649 155650 155738) | |
| Mayan | Kazakhstan | H. captiosa (10030) | |
| Mayan | Kyrgyzstan | H. sp. (122858) | |
| Furongian | Kazakhstan | H. sp. (116483) | |
| Furongian | China (Hunan) | H. paiensis (124978) | |
| Trempealeauan | USA (Nevada) | H. eurekensis (233789) | |
| Arenig | China (GuangXi) | H. sp. (4670) |