Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Nitanoceras
Taxonomy
Nitanoceras was named by McLearn (1937) [Sepkoski's age data: Tr Ladi-u Sepkoski's reference number: 302]. Its type is Arcestes selwyni.
It was assigned to Megaphyllitidae by Spath (1951), Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
It was assigned to Megaphyllitidae by Spath (1951), Tozer (1981) and Tozer (1994); and to Ceratitida by Sepkoski (2002).
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. | |
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shell height | 7 | 12.1 | 10.1 | 16.0 | 11.0 | 3.18 | |
shell diameter | 7 | 17.6 | 11.1 | 29.0 | 16.9 | 5.44 | |
shell inflation | 7 | 0.001 | 0.001 | 0.001 | 0.001 | - |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Longobardian or 242.00000 to 235.00000 Ma
Collections (11 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Longobardian | Canada (British Columbia) | N. compressum (138615 138616) N. selwyni (43791 137017 137020 137514 138619 138622 141743) N. selwyni, N. leve (137019) | |
Longobardian | USA (Nevada) | N. selwyni (48134) |