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Aechmina
Taxonomy
Aechmina was named by Jones and Holl (1869) [Sepkoski's age data: O Aren D Fame-u Sepkoski's reference number: 855].
It was assigned to Palaeocopida by Sepkoski (2002); and to Aechminidae by Jones and Holl (1869), Benson et al. (1961), Tilman (1984), Crasquin-Soleau (1997), Schallreuter et al. (2007), Lajblová and Kraft (2018).
It was assigned to Palaeocopida by Sepkoski (2002); and to Aechminidae by Jones and Holl (1869), Benson et al. (1961), Tilman (1984), Crasquin-Soleau (1997), Schallreuter et al. (2007), Lajblová and Kraft (2018).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1869 | Aechmina Jones and Holl |
| 1961 | Aechmina Benson et al. |
| 1984 | Aechmina Tilman p. 238 |
| 1997 | Aechmina Crasquin-Soleau p. 44 |
| 2002 | Aechmina Sepkoski |
| 2007 | Aechmina Schallreuter et al. p. 264 |
| 2018 | Aechmina Lajblová and Kraft p. 222 |
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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. †Aechmina Jones and Holl 1869
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†Aechmina choanobasota Kesling 1953
†Aechmina crenulata Stewart 1936
†Aechmina equilateralis Bassler 1950
†Aechmina longioroidea Stewart 1950
†Aechmina reticulata Ferdinando 2001
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 0.730 |
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Age range: base of the Floian to the top of the Artinskian or 477.10000 to 283.30000 Ma
Collections (74 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Floian | Russian Federation (Siberia) | A. fallax (206298) | |
| Oretanian | Spain (Oviedo) | A. sp. (21094) | |
| Bohdalec | Czechia | A. kolihai (3874) | |
| Caradoc | China (ZheJiang) | A. sp. (7769) | |
| Kirkfieldian | USA (Iowa) | A. ionensis (23214 23215) | |
| Kirkfieldian - Shermanian | USA (Minnesota) | A. ionensis (23177) | |
| Rocklandian | USA (Iowa) | A. ionensis (23207) | |
| Rocklandian - Shermanian | USA (Minnesota) | A. ionensis (23174) | |
| Shermanian | USA (Iowa) | A. ionensis (23217) | |
| Shermanian - Maysvillian | Canada (Northwest Territories) | A. spp. (25345) | |
| Wildernessian | Canada (Northwest Territories) | A. sp. (26959 26961 26962 26964 26966 26967 26968) | |
| Actonian - Onnian | China (ZheJiang) | A. sp. (7768) | |
| Edenian - Maysvillian | USA (Minnesota) | A. cuspidata (23191) | |
| Maysvillian | USA (Iowa) | A. cuspidata, A. maquiketensis, A. taurea (23237) | |
| Richmondian | USA (Ohio) | A. richmondensis (5326) | |
| Richmondian | USA (Iowa) | A. cuspidata, A. maquiketensis, A. taurea (23238) | |
| Ashgill | Canada (Quebec) | A. sp. (56000) | |
| Rawtheyan - Hirnantian | China (Jiangxi) | A. sp. (27904) | |
| Silurian | USA (Oklahoma) | A. sp. (528) | |
| Aeronian | USA (Georgia) | A. sp. (192895) | |
| Telychian | Australia (Victoria) | A. aechmessa (8028) | |
| Wenlock | USA (New York) | A. sp. (469) | |
| Ludlow | Lithuania | A. molengraaffi (207443) | |
| Ludfordian | Germany | A. temperata (13836) | |
| Pridoli | Czechia | A. cuspidata (14157) | |
| Pridoli | Ukraine | A. molengraaffi (13873) | |
| Pridoli | Germany | A. molengraaffi (13838) A. temperata, A. molengraaffi (13837) | |
| Pridoli - Lochkovian | USA (Oklahoma) | A. geneae, A. longispina, A. truncata, A. spp. (26826) | |
| Lochkovian | USA (New York) | A. spp. (24815) | |
| Lochkovian | Ukraine | A. subcuspidata (23362) | |
| Couvinien | Australia (New South Wales) | A. sp. (188209) | |
| Eifelian | USA (Pennsylvania) | A. sp. (9523) | |
| Middle Devonian | USA (Ohio) | A. choanobasota, A. longioroidea (228293 228294 228295) | |
| Early/Lower Famennian | USA (Nevada) | A. sp. A (158171) | |
| Desmoinesian | USA (Missouri) | A. gibberosa (69770) | |
| Sakmarian | Australia (Western Australia) | A. reticulata (108208 108209 108210 108211 108213 108214 108220 108221 108229 108236 108238 108241 108242 108247 108277 108278 108287 108288 108289 108290 108291 108292 108293 108294 108295 108297 108298 108299) | |
| Artinskian | Canada (British Columbia) | A. sp. 1 (106670) |