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Circulinidae
Taxonomy
Circulinidae was named by Neckaja (1966).
It was synonymized subjectively with Aechminidae by Schallreuter et al. (2007).
It was assigned to Binodicopa by Ghobadi Pour et al. (2006); to Binodicopina by Lajblová and Kraft (2014), Abushik (2015); and to Aechminacea by Lajblová and Kraft (2018).
It was synonymized subjectively with Aechminidae by Schallreuter et al. (2007).
It was assigned to Binodicopa by Ghobadi Pour et al. (2006); to Binodicopina by Lajblová and Kraft (2014), Abushik (2015); and to Aechminacea by Lajblová and Kraft (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Circulinidae Neckaja |
| 2006 | Circulinidae Ghobadi Pour et al. p. 556 |
| 2014 | Circulinidae Lajblová and Kraft p. 375 |
| 2015 | Circulinidae Abushik p. 492 |
| 2018 | Circulinidae Lajblová and Kraft p. 228 |
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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.
Fm. †Circulinidae Neckaja 1966
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G. †Easchmidtella Schallreuter 1967
G. †Orechina Krůta 1968
G. †Pedomphalella
G. †Pyxion
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician - Late/Upper Ordovician | USA (Minnesota) | Pedomphalella subovata (23183) | |
| Kunda | Russian Federation (Novgorod Oblast) | Easchmidtella ivantsovi (235857) | |
| Costonian - Harnagian | Sweden | Pyxion sp. (2769) | |
| Caradoc | Sweden (Vastergotland) | Pyxion carinatus, Pyxion kinnekullensis (76911) Pyxion kinnekullensis (77082 77083) | |
| Idavere | Latvia (Daugavpils) | Pedomphalella egregia, Pyxion nitidum (192983) | |
| Kirkfieldian | USA (Iowa) | Pedomphalella intermedia, Pedomphalella subovata (23214 23215) | |
| Kirkfieldian - Shermanian | USA (Minnesota) | Pedomphalella subovata (23177) | |
| Rocklandian | USA (Iowa) | Pedomphalella intermedia, Pedomphalella subovata (23207) Pedomphalella subovata (23203) | |
| Rocklandian | USA (Minnesota) | Pedomphalella subovata (23212) | |
| Rocklandian - Shermanian | USA (Minnesota) | Pedomphalella intermedia, Pedomphalella subovata (23174) | |
| Shermanian | USA (Iowa) | Pedomphalella subovata (23217 23219 23230 23231 23232) | |
| Keila | Latvia (Daugavpils) | Pedomphalella egregia, Pyxion nitidum (192985) | |
| Johvi | Latvia (Daugavpils) | Pedomphalella egregia, Pyxion nitidum (192984) | |
| Kralodvorian | Czechia (Prague) | Parapyxionella prunella (76478) |