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Permocerithium nudum
Taxonomy
Permocerithium nudum was named by Nützel and Nakazawa (2012). Its type specimen is AMF-KG-230 and is a 3D body fossil. Its type locality is Ichihashi Quarry, Kinshozan, Akasaka, which is in a Capitanian shallow subtidal packstone in the Akasaka Formation of Japan. It is the type species of Permocerithium.
Synonymy list
Year | Name and author |
---|---|
2012 | Permocerithium nudum Nützel and Nakazawa p. 151 figs. 24E-K |
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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.
†Permocerithium nudum Nützel and Nakazawa 2012
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 3 | 2.69 | 1.70 | 3.70 | 3.10 | 1.03 | |
shell diameter | 3 | 1.23 | 1.20 | 1.30 | 1.20 | 0.058 |
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Source: subo = suborder, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: Capitanian or 264.28000 to 259.51000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Capitanian | Japan | Permocerithium nudum (type locality: 109667) |