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Schizodus chesterensis
Taxonomy
Schizodus chesterensis was named by Meek and Worthen (1860). It is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Schizodus chesterensis Meek and Worthen p. 457 |
| 1866 | Schizodus chesterensis Meek and Worthen p. 301 figs. pl. 23 f. 6a-b |
| 1915 | Schizodus chesterensis Snider p. 107 |
| 1935 | Schizodus chesterensis Hernon p. 691 |
| 1942 | Schizodus chesterensis Easton p. 85 figs. pl. 9 f. 4 |
| 1957 | Schizodus chesterensis Elias p. 767 figs. pl. 96 f. 10; txt. f. 1.9–1.10 |
| 1989 | Schizodus chesterensis Hoare et al. p. 593–594 fig. 5.19–5.22 |
| 1993 | Schizodus chesterensis Hoare p. 386 figs. 5. 18 – 5.19 |
| 2007 | Schizodus chesterensis Hoare p. 71 fig. 5.16 |
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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.
†Schizodus chesterensis Meek and Worthen 1860
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. D. Hoare 1993 | Medium-sized Schizodus, longer than high; posterior margin truncated forming angle of about 145˚ with dorsal margin; anterior margin more strongly convex than ventral margin; beaks high, located about one-third length from anterior margin. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Chesterian to the top of the Serpukhovian or 335.50000 to 323.20000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian - Brigantian | USA (Ohio) | Schizodus chesterensis (85363) | |
| Chesterian | USA (Arizona) | Schizodus chesterensis (124256) | |
| Serpukhovian | USA (West Virginia) | Schizodus chesterensis (56142) | |
| Serpukhovian | USA (Oklahoma) | Schizodus chesterensis (5611) | |
| Serpukhovian | USA (Arkansas) | Schizodus chesterensis (5517 5518) |