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Anematina
Taxonomy
Strophostylus (Anematina) was named by Knight (1933) [Sepkoski's age data: D Eife-l P Guad-l Sepkoski's reference number: 362,797,1004].
It was reranked as Anematina by Knight et al. (1960), Sepkoski (2002), Mazaev (2015).
It was assigned to Strophostylus by Knight (1933); to Archaeogastropoda by Sepkoski (2002); and to Elasmonematidae by Knight et al. (1960), Mazaev (2015).
It was reranked as Anematina by Knight et al. (1960), Sepkoski (2002), Mazaev (2015).
It was assigned to Strophostylus by Knight (1933); to Archaeogastropoda by Sepkoski (2002); and to Elasmonematidae by Knight et al. (1960), Mazaev (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Strophostylus (Anematina) Knight p. 36 |
| 1960 | Anematina Knight et al. p. 243 |
| 2002 | Anematina Sepkoski |
| 2015 | Anematina Mazaev p. 956 |
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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. †Anematina Knight 1933
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†Anematina conica Winchell 1863
†Anematina indiscreta Mazaev 2019
†Anematina micula Girty 1909
†Anematina nordhusiana Dietz 1911
†Anematina parva Nützel and Nakazawa 2012
†Anematina permiana Jakowlew 1899
†Anematina prisca Waagen 1880
†Anematina proutana Hall 1856
†Anematina rockymontanum Shimer 1926
†Anematina rugoza Mazaev 2015
†Anematina subconica Hall 1860
†Strophostylus (Anematina) minutissimus Knight 1933
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Knight 1933 | The species of this subgenus differ from those of the typical subgenus in that they consist of forms without ornamentation (or with revolving ornamentation on the base) and with very narrow umbilici. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 22 | 3.47 | 0.780 | 12.2 | 4.75 | 4.54 | |
| shell diameter | 22 | 1.59 | 0.860 | 6.00 | 0.970 | 1.86 |
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| Source: superf = superfamily, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range: base of the Kinderhookian to the top of the Changhsingian or 358.86000 to 251.90200 Ma
Collections (44 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kinderhookian | USA (Indiana) | A. sp. (6733) | |
| Kinderhookian | USA (Iowa) | A. conica (49823 49824 49825) | |
| Tournaisian | USA (Iowa) | Holopea conica (3309) | |
| Arundian - Holkerian | USA (Alaska) | A. rockymontanum (59942 59944 59948 59950 59951 59953) | |
| Visean | Canada (Nova Scotia) | A. proutana (239218) | |
| Meramecian | USA (Illinois) | Holopea proutana (129929) | |
| Meramecian | USA (California) | A. sp. (226242) | |
| Meramecian | Canada (Alberta) | A. proutana (62396) | |
| Meramecian | USA (Kentucky) | A. proutana (2711 2713) | |
| Meramecian | USA (Indiana) | Holopea proutana (129910 129912 129930) | |
| Chesterian | USA (Oklahoma) | Macrocheilus micula (584) | |
| Chesterian | USA (Iowa) | A. sp. (3296) | |
| Morrowan | USA (Wyoming) | A. sp. (5713) | |
| Moscovian | USA (Missouri) | Strophostylus minutissimus (69773) | |
| Desmoinesian | USA (Oklahoma) | A. sp. (111) | |
| Desmoinesian | USA (Kansas) | A. sp. (107) | |
| Missourian | USA (Kansas) | A. sp. (147) | |
| Virgilian | USA (New Mexico) | A. sp. (156695) | |
| Rusavkinian | Russian Federation (Moscow) | A. permiana (155804) | |
| Asselian | Russian Federation (Bashkortostan) | A. indiscreta (204134) | |
| Sakmarian | Russian Federation | A. permiana (205219 217206 217207) | |
| Kungurian | Malaysia (Perak) | A. sp. (62131) | |
| Roadian | Russian Federation (Kirov) | A. rugoza (126334 170190) | |
| Roadian | Russian Federation (Tatarstan) | A. nordhusiana (174711) | |
| Capitanian | Japan | A. parva (109667) | |
| Wuchiapingian | Pakistan | Margarita prisca (119685) | |
| Wuchiapingian | Germany | Soziolytes nordhusianus (208944) | |
| Wuchiapingian - Changhsingian | Pakistan | Anomphalus priscus (126982) | |
| Changhsingian | Pakistan | Anomphalus priscus (126896) Margarita prisca (119554 119659) |