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Melagathiceras
Taxonomy
Melagathiceras was named by Tozer (1971) [Sepkoski's age data: Tr Olen-l Sepkoski's reference number: 302].
It was assigned to Ceratitida by Sepkoski (2002); and to Melagathiceratidae by Tozer (1981), Tozer (1994), Brayard et al. (2009).
It was assigned to Ceratitida by Sepkoski (2002); and to Melagathiceratidae by Tozer (1981), Tozer (1994), Brayard et al. (2009).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Melagathiceras Tozer |
| 1981 | Melagathiceras Tozer p. 89 |
| 1994 | Melagathiceras Tozer p. 52 |
| 2002 | Melagathiceras Sepkoski |
| 2009 | Melagathiceras Brayard et al. pp. Appendix 2 |
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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. †Melagathiceras Tozer 1971
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†Melagathiceras crassum Tozer 1961
†Melagathiceras globosus Popov 1939
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 10.4 | 7.00 | 15.5 | 11.0 | 2.57 | |
| shell diameter | 9 | 20.5 | 13.0 | 29.5 | 20.8 | 5.09 | |
| shell inflation | 9 | 4.43 | 2.80 | 6.20 | 4.70 | 1.50 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Smithian or 249.90000 to 248.10000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Smithian | Russian Federation | M. globosum (107099 176997 177009) M. globosus (107043) Paranannites globosus (214724) | |
| Smithian | Canada (Nunavut) | M. crassum (43802 43848 61943 61947 137941) |