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Atactotoechus
Taxonomy
Atactotoechus was named by Duncan (1939). Its type is Atactotoechus typicus. It is the type genus of Atactotoechidae.
It was assigned to Trepostomata by Boardman (1960); to Trepostomida by Sepkoski (2002); and to Atactotoechidae by Bassler (1953), Ross (1962), Tolokonnikova (2010).
It was assigned to Trepostomata by Boardman (1960); to Trepostomida by Sepkoski (2002); and to Atactotoechidae by Bassler (1953), Ross (1962), Tolokonnikova (2010).
Species
A. acritus, A. cartus, A. cellatus, A. fruticosus, A. hystricosus, A. inornatus, A. kayi, A. parallelus, A. typicus (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Atactotoechus Duncan |
| 1953 | Atactotoechus Bassler p. G99 |
| 1960 | Atactotoechus Boardman p. 51 |
| 1962 | Atactotoechus Ross |
| 2002 | Atactotoechus Sepkoski |
| 2010 | Atactotoechus Tolokonnikova |
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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. †Atactotoechus Duncan 1939
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†Atactotoechus acritus Boardman 1960
†Atactotoechus cartus cartus Boardman 1960
†Atactotoechus cellatus Tolokonnikova 2010
†Atactotoechus fruticosus Hall 1877
†Atactotoechus hystricosus Boardman 1960
†Atactotoechus inornatus Boardman 1960
†Atactotoechus kayi Ross 1962
†Atactotoechus parallelus Boardman 1960
†Atactotoechus typicus Duncan 1939
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Kiessling 2004, Smith et al. 2006, Nesnidal et al. 2013 | |||||
Age range: base of the Chazyan to the top of the Late/Upper Famennian or 471.30000 to 358.86000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chazyan | USA (New York) | A. kayi (172641 172675 172690 172698 172722) | |
| Llandovery | Russian Federation (Yakutiya) | A. siluricus (79513 79514) | |
| Ludlow | Mongolia | A. amplus, A. siluricus (79648) | |
| Pragian | Czechia | A. divulgatus (83394 144101 229068) | |
| Emsian | Spain | A. cartus (144336) | |
| Eifelian - Givetian | Morocco | A. sp. (226635) | |
| Givetian | Morocco | A. gaetulus (144324) | |
| Givetian | USA (New York) | A. acritus (167364) | |
| Late/Upper Givetian | Western Sahara | A. sp. (81292) | |
| Late/Upper Givetian | Morocco | A. gaetulus (144442 144587 144589) | |
| Early/Lower Frasnian | France | A. polygonius (38687) | |
| Middle Famennian - Late/Upper Famennian | Russian Federation (Kemerovo) | A. cellatus (158159) |