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Nassichukites
Taxonomy
Nassichukites was named by Tozer (1979) [Sepkoski's age data: Tr Nori-u Sepkoski's reference number: 302]. Its type is Nassichukites dimidiatus.
It was assigned to Metasibiritidae by Tozer (1979), Tozer (1981); to Thetiditidae by Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was assigned to Metasibiritidae by Tozer (1979), Tozer (1981); to Thetiditidae by Tozer (1994); and to Ceratitida by Sepkoski (2002).
Species
N. dimidiatus (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.
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 5.90 | 5.90 | 5.90 | 5.90 | - | |
| shell diameter | 3 | 17.3 | 16.0 | 18.0 | 18.0 | 1.15 | |
| shell inflation | 3 | 5.15 | 4.50 | 5.90 | 5.20 | 0.990 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||