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Pachystrophia devexa
Taxonomy
Euomphalus devexus was named by d'Eichwald (1859). It is not a trace fossil. It is the type species of Pachystrophia.
It was recombined as Lesueurilla devexa by Rõõmusoks (1970); it was recombined as Pachystrophia devexa by Perner (1903), Koken and Perner (1925), Knight (1941), Vostokova (1955), Rohr (1980), Wagner (1999), Rohr and Measures (2001) and Wagner (2023).
It was recombined as Lesueurilla devexa by Rõõmusoks (1970); it was recombined as Pachystrophia devexa by Perner (1903), Koken and Perner (1925), Knight (1941), Vostokova (1955), Rohr (1980), Wagner (1999), Rohr and Measures (2001) and Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Euomphalus devexus d'Eichwald p. 43 figs. pl. 43 f. 18a-b |
| 1903 | Pachystrophia devexa Perner figs. pl. 73 |
| 1925 | Euomphalus dissoluta Koken and Perner |
| 1925 | Pachystrophia devexa Koken and Perner p. 123 figs. pl. 15 f. 16-21 |
| 1941 | Pachystrophia devexa Knight p. 225 figs. pl. 74 f. 3a-b |
| 1955 | Pachystrophia devexa Vostokova p. 97 figs. pl. 4 f. 1 |
| 1970 | Lesueurilla devexa Rõõmusoks |
| 1980 | Pachystrophia devexa Rohr p. 164 figs. pl. 4 f. 6-9 |
| 1999 | Pachystrophia devexa Wagner |
| 2001 | Pachystrophia devexa Rohr and Measures p. 292 figs. f. 8.1-8.3 |
| 2023 | Pachystrophia devexa Wagner p. 989 |
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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.
†Pachystrophia devexa d'Eichwald 1859
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Invalid names: Pachystrophia dissoluta Koken and Perner 1925 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Knight et al. 1960, Kiessling 2004 | |||||
Age range: base of the Lasnamagi to the top of the Richmondian or 463.50000 to 445.50000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | Canada (Newfoundland and Labrador) | Pachystrophia devexa (56139) | |
| Lasnamagi | Estonia | Lesueurilla devexa (56210) | |
| Uhaku | Estonia (Harju) | Pachystrophia devexa (168478) | |
| Caradoc | USA (California) | Pachystrophia devexa (69223 69224 69228 69235) | |
| Kukruse | Estonia (Ida-Viru) | Pachystrophia devexa (154863) | |
| Johvi | Estonia | Pachystrophia devexa (155336) | |
| Rakvere | Estonia (Lääne-Virumaa) | Pachystrophia devexa (155682) | |
| Richmondian | USA (Alaska) | Pachystrophia devexa (49341) | |
| Pirgu | Norway (Ringerike) | Euomphalus dissoluta (154605) | |
| Ashgill | USA (California) | Pachystrophia devexa (69225) |