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Pionodema subaequata
Taxonomy
Orthis subaequata was named by Conrad (1843). It is a 3D body fossil.
It was recombined as Dalmanella subaequata by Hall and Clarke (1892); it was recombined as Pianodema subaequata by Wilson (1949); it was recombined as Pionodema subaequata by Cooper (1956) and Li and Copper (2006).
It was recombined as Dalmanella subaequata by Hall and Clarke (1892); it was recombined as Pianodema subaequata by Wilson (1949); it was recombined as Pionodema subaequata by Cooper (1956) and Li and Copper (2006).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1843 | Orthis subaequata Conrad p. 57 |
1892 | Dalmanella subaequata Hall and Clarke pp. 194, 207, 224 figs. pl. 5C, figs. 6-11 |
1949 | Pianodema subaequata Wilson |
1956 | Pionodema subaequata Cooper pp. 992 - 994 figs. Plate 154E figures 20-24; plate 155, C, figures 14-18; plate 156, A, figures 1-13; plate 157, D, fig |
2006 | Pionodema subaequata Li and Copper p. 57 |
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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.
†Pionodema subaequata Conrad 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
References: Williams et al. 2000, Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009 |
Age range: Turinian or 457.30000 to 453.80000 Ma
Collections (32 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Caradoc | USA (Virginia) | Pionodema subaequata (34247 34248 34249 34250 34251 34252) | |
Caradoc | USA (Georgia) | Pionodema subaequata (32779 32783 32787 32791 32798 32880 32881 32882 33065) | |
Turinian | Canada (Quebec) | Pianodema subaequata (174157) | |
Turinian | USA (Missouri) | Dalmanella subaequata (175724) Pionodema subaequata (181091) | |
Turinian | USA (Tennessee) | Pianodema subaequata (5347) | |
Ashbyan | USA (Tennessee) | Pianodema subaequata (5327) | |
Blackriveran | USA (Tennessee) | Pianodema subaequata (5328 5329 5331) | |
Blackriveran - Rocklandian | USA (Illinois, Iowa) | Pionodema subaequata (23795) | |
Kirkfieldian | USA (Illinois, Iowa) | Pionodema subaequata (23797 23798) | |
Rocklandian - Kirkfieldian | United Kingdom (Northern Ireland) | Pionodema subaequata (89157) | |
Rocklandian - Kirkfieldian | USA (Illinois, Iowa) | Pionodema subaequata (23796) | |
Rocklandian - Shermanian | USA (Minnesota) | Pionodema subaequata (23277 23290) | |
Shermanian | USA (Minnesota) | Pionodema subaequata (23278) | |
Shermanian | USA (Illinois, Iowa) | Pionodema subaequata (23799) |