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Schizonema
Taxonomy
Schizonema is a genus. It is not extant. Its type is Hebertella (Schizonema) fissistriata.
It was assigned to Hesperorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
It was assigned to Hesperorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Schizoramma Foerste |
| 2000 | Schizonema Williams et al. p. 740 |
| 2002 | Schizonema Sepkoski |
| 2002 | Schizoramma Sepkoski |
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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. †Schizonema
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†Schizonema capillatum Temple 1970
†Schizonema fissistriata Foerste 1912
Invalid names: Schizoramma Foerste 1912 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Collections (69 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Costonian - Harnagian | Sweden | Schizoramma sp. (2765) | |
| Rawtheyan | United Kingdom (England) | S. sp. (3668) | |
| Hirnantian - Aeronian | Norway | S. subplicatum (14292) | |
| Silurian | USA (Oklahoma) | Schizoramma sp. (528) | |
| Rhuddanian | Norway (Oslo-Asker) | S. subplicatum (191021) | |
| Rhuddanian | United Kingdom (Wales) | S. capillatum (3459 3469 4964 4965 5048 5055 5060 5063 5075) S. sowerbyiana (3479) S. subplicatum, S. capillatum (5058 5059) | |
| Rhuddanian | Norway (Asker) | S. subplicatum (160113 191023 191025 191026 191029 191030) | |
| Rhuddanian - Aeronian | United Kingdom (Wales) | S. capillatum (4929 4933 4934 4942 4946 4949 4950 5012 5025 5027 5031 5032 5042) S. subplicatum (4939) S. subplicatum, S. capillatum (4961 5000) | |
| Llandovery | United Kingdom (Wales) | S. capillata (3207) | |
| Llandovery | USA (California) | Schizoramma nisis (79808 229638) | |
| Aeronian | United Kingdom (Scotland) | S. subplicatum (153465) | |
| Aeronian | Canada (Quebec) | S. sp. (158596) | |
| Telychian | United Kingdom (England) | Schizoramma valentica (72417) | |
| Telychian - Sheinwoodian | USA (Indiana) | Schizoramma sp. (26803) | |
| Jaani | Lithuania | S. walsallii (192581 192582) | |
| Sheinwoodian | USA (Indiana) | Schizoramma sp. (26805) | |
| Wenlock | Lithuania | S. sp. (207295) S. walsallii (13748) | |
| Wenlock | USA (New York) | Schizoramma sp. (541) | |
| Wenlock - Ludlow | USA (California) | Schizoramma sp. (226414) | |
| Wenlock - Silurian | USA (Wisconsin) | Schizoramma sp. (13040) | |
| Gorstian | USA (Oklahoma) | Schizoramma hami (170221) | |
| Ludlow | USA (Oklahoma) | Schizoramma hami (170246) | |
| Ludlow - Pridoli | USA (Oklahoma) | Schizoramma hami (170222 170228 170238 170240 170248) | |
| Ludfordian | USA (Oklahoma) | Schizoramma hami (170224) | |
| Pridoli | USA (Oklahoma) | Schizoramma hami (170234 170243 170244 170254 170262 170264) | |
| Pridoli | Kazakhstan | Schizoramma rigida (13973) |