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Erismodus gracilis
Taxonomy
Pteroconus gracilis was named by Branson and Mehl (1933).
It was recombined as Ptiloconus gracilis by Sweet (1955); it was recombined as Erismodus gracilis by Andrews (1967), Barnes et al. (1979).
It was recombined as Ptiloconus gracilis by Sweet (1955); it was recombined as Erismodus gracilis by Andrews (1967), Barnes et al. (1979).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Pteroconus gracilis Branson and Mehl p. 111 figs. pl. 8, figs. 28, 30, 32, 35 |
| 1955 | Ptiloconus gracilis Sweet p. 246 figs. Plate 28, figures 6, 20 |
| 1967 | Erismodus gracilis Andrews pp. 893 - 894 figs. PI. 112, fig. 19 |
| 1979 | Erismodus gracilis Barnes et al. p. 151 |
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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.
†Erismodus gracilis Branson and Mehl 1933
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Aberhan 1992, Carroll 1988 | |||||
Age range: base of the Darriwilian to the top of the Richmondian or 469.40000 to 445.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Darriwilian | Russian Federation | Ptiloconus gracilis (235332) | |
| Darriwilian | Russian Federation (Siberia) | Ptiloconus gracilis (206301) | |
| Blackriveran - Richmondian | USA (Wyoming) | Pteroconus gracilis (10442) |