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Millkoninckioceras
Taxonomy
Millkoninckioceras was named by Kummel (1963) [Sepkoski's age data: C Vise P l Sepkoski's reference number: 1066].
It was assigned to Nautilida by Sepkoski (2002); and to Koninckioceratidae by Teichert et al. (1964), Dernov (2018), Korn (2025).
It was assigned to Nautilida by Sepkoski (2002); and to Koninckioceratidae by Teichert et al. (1964), Dernov (2018), Korn (2025).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by M. Clapham on 2015-07-26
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Koninckioceras Hyatt |
| 1947 | Koninckioceras Miller and Kemp |
| 1963 | Millkoninckioceras Kummel p. 329 |
| 1964 | Millkoninckioceras Teichert et al. p. 424 |
| 2002 | Millkoninckioceras Sepkoski |
| 2018 | Millkoninckioceras Dernov |
| 2025 | Millkoninckioceras Korn p. 30 |
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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. †Millkoninckioceras Kummel 1963
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†Millkoninckioceras bibbi Miller and Kemp 1947
Invalid names: Koninckioceras Hyatt 1883 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 91.0 | |||||
| shell diameter | 1 | 250.0 | |||||
| shell inflation | 1 | 97.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 274.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Russian Federation (Bashkortostan) | M. sp. (217205) | |
| Kungurian | USA (Texas) | Koninckioceras bibbi (81418) |