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Cyclostomiceras
Taxonomy
Cyclostomiceras was named by Hyatt (1900) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 524]. Its type is Gomphoceras cassinense.
It was assigned to Ellesmeroceratidae by Teichert et al. (1964), Crick (1981); and to Cyclostomiceratidae by Flower (1925), Ulrich et al. (1943), King (1998), Kröger and Landing (2009), Kröger and Evans (2011).
It was assigned to Ellesmeroceratidae by Teichert et al. (1964), Crick (1981); and to Cyclostomiceratidae by Flower (1925), Ulrich et al. (1943), King (1998), Kröger and Landing (2009), Kröger and Evans (2011).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Cyclostomiceras Hyatt p. 530 |
| 1925 | Cyclostomiceras Flower |
| 1936 | Amphoroceras Ulrich and Foerste |
| 1943 | Cyclostomiceras Ulrich et al. |
| 1964 | Cyclostomiceras Teichert et al. p. 140 |
| 1981 | Cyclostomiceras Crick p. 227 |
| 1998 | Cyclostomiceras King |
| 2009 | Cyclostomiceras Kröger and Landing |
| 2011 | Cyclostomiceras Kröger and Evans |
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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. †Cyclostomiceras Hyatt 1900
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†Cyclostomiceras cassinense Whitfield 1886
†Cyclostomiceras depressius Cecioni 1953
†Cyclostomiceras depressum Ulrich et al. 1943
†Cyclostomiceras minimum Whitfield 1886
†Cyclostomiceras thorali Kröger and Evans 2011
†Cyclostomiceras vasiforme Dwight 1884
Invalid names: Amphoroceras Ulrich and Foerste 1936 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | France (Languedoc-Roussillon) | C. thorali (101704) | |
| Tremadocian | USA (New York) | C. vasiforme (189287) | |
| Tremadoc | China (Hunan) | C. sp. (7695 7703) | |
| Cassinian | Canada (Quebec) | C. cassinense (99224) | |
| Cassinian | USA (New York) | C. cassinense (90082) | |
| Cassinian | USA (Vermont) | C. cassinense, C. minimum (42793) | |
| Floian | USA (Arkansas) | C. depressum (99119 99877) | |
| Arenig | China (Hunan) | C. sp. (7701) | |
| Arenig | Argentina | C. sp. (9030) | |
| Caradoc | USA (Georgia) | C. cassinense (33182 33186 33188) |