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Schizophoria (Eoschizophoria)
Taxonomy
Schizophoria (Eoschizophoria) was named by Rong and Yang (1980) [Sepokoski: S (Ludl-u)-D (Sieg)? Ref# 881]. Its type is Schizophoria hesta.
It was reranked as Eoschizophoria by Williams et al. (2000) and Sepkoski (2002).
It was assigned to Schizophoriidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Schizophoria by Stigall Rode (2005).
It was reranked as Eoschizophoria by Williams et al. (2000) and Sepkoski (2002).
It was assigned to Schizophoriidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Schizophoria by Stigall Rode (2005).
Subtaxa
Species lacking formal opinion data
Schizophoria allani, Schizophoria athabaskensis, Schizophoria athabaskensis, Schizophoria athabaskiensis, Schizophoria bisinuata, Schizophoria compacta, Schizophoria connivens, Schizophoria fascicostella, Schizophoria fecunda, Schizophoria fossula, Schizophoria fragilis, Schizophoria latisulcata, Schizophoria lianghetangensis, Schizophoria mayesensis, Schizophoria mcfarlanei, Schizophoria multistriata, Schizophoria nevadensis, Schizophoria protonevadensis, Schizophoria runegatensis, Schizophoria shubarica, Schizophoria similis, Schizophoria striatula, Schizophoria texana
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Schizophoria (Eoschizophoria) Rong and Yang p. 286 |
| 2000 | Eoschizophoria Williams et al. p. 843 |
| 2002 | Eoschizophoria Sepkoski |
| 2005 | Schizophoria (Eoschizophoria) Stigall Rode p. 148 |
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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.
Subg. †Schizophoria (Eoschizophoria) Rong and Yang 1980
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†Schizophoria (Eoschizophoria) hesta Rong et al. 1974
†Schizophoria (Eoschizophoria) oriskania Schuchert 1913
†Schizophoria (Eoschizophoria) parafragilis Johnson 1970
†Schizophoria (Eoschizophoria) paraprima Stigall Rode 2005
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. L. Stigall Rode 2005 | Small, biconvex to dorsibiconvex valves; long, thin median ridge bisecting and extending through ventral muscle scar; dorsal interior with delicate cardinalia and narrowly divergent brachiophores (Rong & Yang 1980; Harper 2000). |
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 | |||||
Age range: base of the Ludlow to the top of the Lochkovian or 427.40000 to 410.80000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ludlow | China (Yunnan) | Eoschizophoria sp. (25818) Schizophoria hesta (27796) | |
| Ludlow - Pridoli | China (Yunnan) | Eoschizophoria hesta (25786 25787 25794 25821 25822 25823 25824 25825 25826 25827) | |
| Lochkovian | USA (Nevada) | Schizophoria parafragilis (164824) | |
| Siegen | USA (Nevada) | Schizophoria parafragilis (164726 164730) |