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Plocezyga (Plocezyga) varica
Taxonomy
Plocezyga (Plocezyga) varica was named by Pan and Erwin (2002). Its type specimen is USNM 127661, a shell, and it is not a trace fossil. Its type locality is Shizishan, ADL703, Luogu Lake, which is in a Changhsingian carbonate limestone/limestone in the Changhsing Formation of China.
Synonymy list
Year | Name and author |
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2002 | Plocezyga (Plocezyga) varica Pan and Erwin p. 27 figs. 13.11 - 13.14 |
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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.
†Plocezyga (Plocezyga) varica Pan and Erwin 2002
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Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 0.696 | 0.630 | 0.770 | 0.700 | 0.099 |
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Source: c = class | |||||
Reference: Kiessling 2004 |
Age range: Changhsingian or 254.17000 to 252.17000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Changhsingian | China (Yunnan) | Ploceozyga varica (type locality: 56943) |