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Schizophoria (Eoschizophoria) oriskania
Taxonomy
Schizophoria oriskania was named by Schuchert (1913) [Type designated by Stigall Rode (2005:148)]. Its type specimen is YPM S1413B, a shell, and it is a mold.
It was recombined as Schizophoria (Eoschizophoria) oriskania by Stigall Rode (2005).
It was recombined as Schizophoria (Eoschizophoria) oriskania by Stigall Rode (2005).
Sister species lacking formal opinion data
S. allani, S. athabaskensis, S. athabaskiensis, S. bisinuata, S. blankenheimensis, S. compacta, S. connivens, S. fascicostella, S. fecunda, S. fossula, S. fragilis, S. latisulcata, S. lianghetangensis, S. mayesensis, S. mcfarlanei, S. multistriata, S. nevadensis, S. protonevadensis, S. runegatensis, S. shubarica, S. similis, S. striatula, S. texana, S. athabaskensis
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Schizophoria oriskania Schuchert p. 307 figs. pl. 56 f. 9-12 |
| 2005 | Schizophoria (Eoschizophoria) oriskania Stigall Rode pp. 148 - 149 figs. 4.1a-b |
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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.
†Schizophoria (Eoschizophoria) oriskania Schuchert 1913
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Stigall Rode 2005 | Medium-sized, biconvex S. (Eoschizophoria);
hinge line short; cardinal extremities rounded; poorly developed fold and sulcus, onset distal; shell depth short; moderate to lowinflation of brachial and ventral valves; narrow dorsal and ventral umbonal angles; ventral cardinal area high, delthyrium narrow; ventral umbo extends further posteriorly than dorsal umbo, dorsal valve flanks dip steeply away from umbonal region; ventral muscle field bilobate, diductor tracks parallel; dental plates form low-relief ridge on lateral edges of ventral muscle field; ventral muscle field long and narrow; median septum continues beyond ventral muscle field; dorsal muscle field long and narrow. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections
No collection or age range data are available