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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Utegeniidae
Taxonomy
Utegeniidae was named by Ivachnenko (1987). It is not extant.
It was assigned to Kotlassioidea by Bulanov (2003).
It was assigned to Kotlassioidea by Bulanov (2003).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Utegeniidae Ivachnenko |
| 2003 | Utegeniidae Bulanov |
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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.
Fm. †Utegeniidae Ivachnenko 1987
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G. †Utegenia Kuznetsov and Ivakhnenko 1981
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†Utegenia shpinari Kuznetsov and Ivakhnenko 1981
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Invalid names: Urumqia liudaowanensis Zhang et al. 1984 [synonym]
Invalid names: Urumqia Zhang et al. 1984 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Asselian to the top of the Guadalupian or 298.90000 to 259.51000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Kungurian | Kazakhstan (Alma-Ata Region) | Utegenia shpinari (181085) | |
| Guadalupian | China (Xinjiang) | Urumqia liudaowanensis (189975) |