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Leurocycloceratinae
Taxonomy
Leurocycloceratinae was named by Sweet (1964). It is not extant. Its type is Leurocycloceras.
It was considered an invalid subgroup of Cephalopoda by Kröger and Isakar (2006).
It was assigned to Orthoceratidae by Teichert et al. (1964), Chen et al. (1981).
It was considered an invalid subgroup of Cephalopoda by Kröger and Isakar (2006).
It was assigned to Orthoceratidae by Teichert et al. (1964), Chen et al. (1981).
Subtaxa
Bohemites, Euthyocycloceras, Leurocycloceras (type genus), Obliocycloceras, Obliocycloceroides, Xiaoxiangoceras
Synonymy list
| Year | Name and author |
|---|---|
| 1964 | Leurocycloceratinae Sweet p. 230 |
| 1964 | Leurocycloceratinae Teichert et al. p. K230 |
| 1981 | Leurocycloceratinae Chen et al. p. 24 |
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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.
Subfm. †Leurocycloceratinae Sweet 1964
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G. †Bohemites
G. †Euthyocycloceras Chen et al. 1981
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†Euthyocycloceras battlatum Chen et al. 1981
†Euthyocycloceras curvatum Chen et al. 1981
†Euthyocycloceras liaojiaoshanense Chen et al. 1981
†Euthyocycloceras qujingense Chen et al. 1981
G. †Leurocycloceras Foerste 1928
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†Leurocycloceras etheridgii Blake 1882
†Leurocycloceras raymondi Foerste 1928
†Leurocycloceras yiwagouense Chen et al. 1981
G. †Xiaoxiangoceras Chen et al. 1981
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†Xiaoxiangoceras pseudoseptatum Chen et al. 1981
†Xiaoxiangoceras xiaoxiangense Chen et al. 1981
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | Canada (Ontario) | Leurocycloceras sp. (461) | |
| Telychian | United Kingdom (Scotland) | Leurocycloceras etheridgii (159986) | |
| Wenlock - Silurian | USA (Wisconsin) | Leurocycloceras raymondi (13069 13075 13104 13107) | |
| Ludlow | United Kingdom (England) | Leurocycloceras whitcliffense (49658) | |
| Ludlow | Japan (Skikoku) | Leurocycloceras sp. (188691) | |
| Ludfordian | China | Euthyocycloceras sp., Obliocycloceras sp., Obliocycloceroides sp. (228661) | |
| Ludfordian | United Kingdom (England) | Leurocycloceras imbricatum (23193) Leurocycloceras sp. (8300 8304 8307 8309) | |
| Pridoli | China | Xiaoxiangoceras sp. (228662) |