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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Cyclidae was named by Packard (1885). It is not extant. Its type is Cyclus. It is the type family of Cycloidea.
It was assigned to Cycloidea by Goldring (1967), Glaessner (1969), Glaessner (1969); to Cycloidea by Schram et al. (1997); and to Cyclida by Sepkoski (2002), Schweitzer et al. (2020), Schram and Koenemann (2021).
It was assigned to Cycloidea by Goldring (1967), Glaessner (1969), Glaessner (1969); to Cycloidea by Schram et al. (1997); and to Cyclida by Sepkoski (2002), Schweitzer et al. (2020), Schram and Koenemann (2021).
Subtaxa
Ambocyclus, Apionicon, Carabicyclus, Chernyshevine, Cyclus (type genus), Litocyclus, Magnitocyclus, Prolatcyclus, Tazawacyclus, Uralocyclus
Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Cyclidae Packard |
| 1967 | Cyclidae Goldring p. 318 |
| 1969 | Cyclidae Glaessner p. R568 |
| 1997 | Cyclidae Schram et al. |
| 2002 | Cyclidae Sepkoski p. 247 |
| 2020 | Cyclidae Schweitzer et al. p. 247 |
| 2021 | Cyclidae Schram and Koenemann p. 230 |
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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. †Cyclidae Packard 1885
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G. †Ambocyclus Schweitzer et al. 2020
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†Ambocyclus capidulum Chernyshev 1935
†Ambocyclus minutus Rogers 1902
†Ambocyclus simulans Reed 1908
G. †Cyclus de Koninck 1841
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†Cyclus bilobatus Woodward 1870
†Cyclus johnsoni Woodward 1894
†Cyclus jonesianus Woodward 1870
†Cyclus laxus von Meyer 1847
†Cyclus limbatus Rogers 1902
†Cyclus minutus Rogers 1902
†Cyclus obesus Schram et al. 1997
†Cyclus permarginatus Rogers 1902
†Cyclus radialis Phillips 1836
†Cyclus rankini Woodward 1869
†Cyclus reussi Gemmellaro 1890
†Cyclus scotti Woodward 1894
†Cyclus testudo Peach 1883
†Cyclus torosus Woodward 1870
†Cyclus wrighti Woodward 1870
G. †Litocyclus Schweitzer et al. 2020
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†Litocyclus bilobatus Woodward 1870
†Litocyclus communis Rogers 1902
†Litocyclus jonesianus Woodward 1870
†Litocyclus permarginatus Rogers 1902
†Litocyclus torosus Woodward 1870
G. †Prolatcyclus Mychko et al. 2019
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†Prolatcyclus kindzadza Mychko et al. 2019
†Prolatcyclus martinensis Goldring 1967
G. †Uralocyclus M and Alekseev 2018
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†Uralocyclus feldmanni Mychko et al. 2025
†Uralocyclus harknessi Woodward 1870
†Uralocyclus miloradovitchi Kramarenko 1961
†Uralocyclus woodwardi Reed 1893
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Tournaisian to the top of the Fassanian or 358.86000 to 239.48000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tournaisian - Visean | Ireland | Cyclus radialis, Uralocyclus harknessi, Carabicyclus wrightii, Litocyclus torosus, Litocyclus jonesianus (232435) | |
| Westphalian A | United Kingdom (England) | Cyclus sp. (124367) | |
| Moscovian | USA (Illinois) | Apionicon apioides, Cyclus obesus (132078) | |
| Missourian | USA (Missouri) | Cyclus permarginatus, Cyclus limbatus, Cyclus minutus (71507) | |
| Wordian | Italy | Paraprosopon reussi (108673) | |
| Fassanian | Germany (Baden-Württemberg) | Halicyne laxa (226188) |