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Stereochia
Taxonomy
Stereochia was named by Grant (1976) [Sepkoski's age data: P Sakm P Leon-u Sepkoski's reference number: 963].
It was assigned to Strophomenida by Sepkoski (2002); to Dictyoclostinae by Williams et al. (2000), Shen et al. (2003); and to Latispiniferini by Williams et al. (2007).
It was assigned to Strophomenida by Sepkoski (2002); to Dictyoclostinae by Williams et al. (2000), Shen et al. (2003); and to Latispiniferini by Williams et al. (2007).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Stereochia Grant p. 150 |
| 2000 | Stereochia Williams et al. p. 496 |
| 2002 | Stereochia Sepkoski |
| 2003 | Stereochia Shen et al. p. 236 |
| 2007 | Stereochia Williams et al. p. 2648 |
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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.
G. †Stereochia Grant 1976
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†Productus sumatrensis cambodgiensis Mansuy 1913
†Stereochia chitichunensis Diener 1897
†Stereochia irianensis Archbold 1981
†Stereochia koyaoensis Waterhouse 1981
†Stereochia litostyla Grant 1976
†Stereochia ruani Chen 2004
†Stereochia sumatrensis Roemer 1880
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 34.7 | 22.9 | 63.7 | 31.6 | 18.1 | |
| valve height | 4 | 51.7 | 46.0 | 58.0 | 52.0 | 6.93 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Moscovian to the top of the Wuchiapingian or 315.20000 to 254.14000 Ma
Collections (30 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moscovian | Bolivia | S. sp. (140695) | |
| Asselian | Indonesia (Jambi) | S. irianensis (152887 152888) | |
| Asselian | Peru (Cusco) | Dictyoclostus sp. 1 (41338) | |
| Artinskian | China (Xinjiang) | S. ruani (35515) | |
| Artinskian | Thailand | S. kaoyaoensis (117766) | |
| Kungurian | China (Xizang) | S. litostyla (118916) | |
| Kungurian | Thailand | S. koyaoensis (117142 221705 221706 221707) | |
| Kungurian | Indonesia (Irian Jaya) | S. irianensis (81374 81375) | |
| Roadian | Thailand (Kanchanaburi) | S. litostyla (40856) | |
| Roadian | Thailand (Trang) | S. litostyla (40871 40873 40874 40875 40877 40878 40879 40894 40899) | |
| Roadian - Wordian | Indonesia (Sumatra) | Productus sumatrensis (121984) | |
| Wordian | Oman | S. sp. (97214) | |
| Wordian - Capitanian | Cambodia | Productus sumatrensis (125049) | |
| Wuchiapingian | China (Xizang) | Productus chitichunensis (89203 230327) S. sp. (24590) | |
| Lopingian | India | Productus chitichunensis (230328) |