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Taxonomy
Penaphis circa was named by Lin (1980). Its type specimen is NIGP 38582, an exoskeleton, and it is a compression fossil. Its type locality is ZH47, Baishuiling, east Shouchang, which is in an Aptian terrestrial siliciclastic in the Shouchang Formation of China. It is the type species of Penaphis.
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Penaphis circa Lin p. 224 figs. Pl 5, fig 4; text-fig 11 |
| 1995 | Penaphis circa Lin p. 195 fig. 1.1 |
| 1998 | Penaphis circa Hong p. 16 |
| 2011 | Penaphis circa Heie and Wegierek p. 52 |
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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.
†Penaphis circa Lin 1980
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Bush and Bambach 2015, Kiessling 2004 | |||||
Age range: Early/Lower Aptian or 121.40000 to 119.57000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | China (Zhejiang) | Penaphis circa (type locality: 155603) |