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Palaeozygopleura vaneki
Taxonomy
Palaeozygopleura vaneki was named by Frýda et al. (2008). Its type specimen is JF 851, a shell, and it is not a trace fossil. Its type locality is Čeřinka hillside, section south of Bubovice, which is in an Emsian carbonate limestone in the Zlíchov Formation of the Czech Republic.
Synonymy list
Year | Name and author |
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2008 | Palaeozygopleura vaneki Frýda et al. pp. 94 – 95 figs. 1F-H |
2013 | Palaeozygopleura vaneki Fryda et al. pp. 482 - 483 |
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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.
†Palaeozygopleura vaneki Frýda et al. 2008
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Diagnosis
Reference | Diagnosis | |
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J. Frýda et al. 2008 | Species with markedly convex whorl profile; whorls ornamented by rounded fine costae with triangular profile; about 50 to 60 asymmetrical curved costae per volution on adult whorls; costae contain an angle about 60 degrees with the lower suture and meet the upper suture in an opisthocline direction.
Palaeozygopleura vaneki has a small high-spired, dextrally coiled shell with slightly convex sides; the pleural angle is about 18 degrees. The whorls are slightly adpressed on preceding whorls (Fig. 1F); the whorl profile is markedly convex and the sutures relatively deep. The shell base is smooth and anomphalous; the whorls are ornamented by fine rounded costae with a triangular profile (Fig. 1G, H); the width of the costae is smaller than their distance of separation; there are about 50 to 60 asymmetrical curved costae per volution on adult whorls; the costae run almost straight in a prosocline direction to the middle of whorl and contain an angle of about 60 degrees with the lower suture; costae above the middle of the whorl curve in an opisthocline direction and meet the upper suture at an angle of about 80 degrees (Fig. 1G); the costae disappear slightly below the lower suture. |
Measurements
No measurements are available
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Source: superf = superfamily, o = order | |||||
Reference: Bambach et al. 2007 |
Age range: base of the Emsian to the top of the Early/Lower Emsian or 407.60000 to 402.50000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Emsian | Morocco | Palaeozygopleura vaneki (150580) | |
Emsian | Czech Republic (Praha) | Palaeozygopleura vaneki (153845) | |
Emsian | Czech Republic (Prague Basin) | Palaeozygopleura vaneki (type locality: 80182) | |
Emsian | Czech Republic | Palaeozygopleura vaneki (153842) |