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Perigeyerella fastigiata
Taxonomy
Perigeyerella fastigiata was named by Liao and Meng (1986). Its type specimen is NIGP 74166 and is a 3D body fossil. Its type locality is Dapaichong, Huatang, Chenxian County, which is in a Changhsingian shallow subtidal limestone in the Changxing Formation of China.
Synonyms
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Synonymy list
Year | Name and author |
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1986 | Perigeyerella fastigiata Liao and Meng |
1990 | Perigeyerella subpelargonatus Liang p. 128 figs. Pl 13, figs 6-10; text-fig 14 |
1994 | Perigeyerella altilosina Xu and Grant p. 26 figs. 14.10-14.14 |
2007 | Perigeyerella fastigiata Shen and Shi p. 26 figs. Pl 8, figs 17-30; pl 9, figs 1-11; pl 26, figs 13,18 |
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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.
†Perigeyerella fastigiata Liao and Meng 1986
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Invalid names: Perigeyerella altilosina Xu and Grant 1994 [synonym], Perigeyerella subpelargonatus Liang 1990 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 10 | 14.6 | 6.80 | 24.6 | 15.8 | 5.73 |
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Source: c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Capitanian to the top of the Changhsingian or 264.28000 to 252.17000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Capitanian | China (Zhejiang) | Perigeyerella subpelargonatus (95519) | |
Changhsingian | China (Chongqing) | Perigeyerella fastigiata (94984 138388) | |
Changhsingian | China (Shaanxi) | Perigeyerella altilosina (50034) | |
Changhsingian | China (Hunan) | Perigeyerella fastigiata (type locality: 105918 138548 138551) |