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Timoceras
Taxonomy
Timoceras was named by Dagis and Ermakova (1988).
It was assigned to Olenikitidae by Dagis et al. (1996); and to Sibiritidae by Smyshlyaeva and Zakharov (2017).
It was assigned to Olenikitidae by Dagis et al. (1996); and to Sibiritidae by Smyshlyaeva and Zakharov (2017).
Synonymy list
Year | Name and author |
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1988 | Timoceras Dagis and Ermakova p. 66 |
1996 | Timoceras Dagis et al. p. 102 |
2017 | Timoceras Smyshlyaeva and Zakharov p. 731 |
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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. †Timoceras Dagis and Ermakova 1988
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†Timoceras glacialis Mojsisovics 1886
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Invalid names: Ceratites discretus Mojsisovics 1886 [synonym], Ceratites fissiplicatus Mojsisovics 1886 [synonym], Ceratites hyperboreus Mojsisovics 1886 [synonym], Ceratites multiplicatus Mojsisovics 1886 [synonym], Dinarites levis Mojsisovics 1886 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 13.4 | 12.1 | 15.0 | 13.2 | 1.46 | |
shell diameter | 3 | 41.0 | 34.3 | 45.0 | 44.5 | 6.04 | |
shell inflation | 3 | 16.7 | 13.0 | 19.8 | 18.0 | 3.52 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Olenekian or 251.20000 to 247.20000 Ma
Collections (13 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Spathian | Russian Federation | Ceratites discretus, Ceratites hyperboreus (212506) Dinarites glacialis, Dinarites levis, Ceratites fissiplicatus, Ceratites multiplicatus (212505) T. glacialis (107049 107190 123387 123505 123548) Xenoceltites glacialis (123495) | |
Olenekian | Russian Federation (Siberia) | T. glacialis (72347 72350) T. gracialis (72348) T. gracilis (72363) | |
Olenekian | Russian Federation | T. glacialis (124543) |