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Nyctiphruretus
Taxonomy
Nyctiphruretus was named by Efremov (1938). It is not extant. Its type is Nyctiphruretus optabilis.
It was assigned to Nyctiphruretinae by Efremov (1938) and Colbert (1946); to Nyctiphruretia by Lee (1995); and to Nyctiphruretidae by Olson (1962), Carroll (1988), Lee (1997) and Ivakhnenko (2008).
It was assigned to Nyctiphruretinae by Efremov (1938) and Colbert (1946); to Nyctiphruretia by Lee (1995); and to Nyctiphruretidae by Olson (1962), Carroll (1988), Lee (1997) and Ivakhnenko (2008).
Species
N. acudens, N. optabilis (type species)
Synonymy list
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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. †Nyctiphruretus Efremov 1938
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†Nyctiphruretus acudens Efremov 1938
†Nyctiphruretus optabilis Bulanov 2002
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, Hendy et al. 2009 |
Age range: base of the Late/Upper Kazanian to the top of the Vyatkian or 272.50000 to 257.40000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Kazanian - Urzhumian | Russian Federation (Arkhangelsk) | N. acudens (79948 187646 187647 187648 187649 187650 187653) | |
Late/Upper Severodvinian - Vyatkian | Russian Federation (Orenburg) | N. optabilis (189495) |