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Calycoceras (Hourcqiceras)
Taxonomy
Calycoceras (Hourcqiceras) was named by Collignon (1939). Its type is Calycoceras (Hourcqiceras) hourcqi.
It was reranked as Hourcqiceras by Wright and Kennedy (1981) and Gale et al. (2019).
It was assigned to Calycoceras by Wright et al. (1996); and to Euomphaloceratinae by Wright and Kennedy (1981) and Gale et al. (2019).
It was reranked as Hourcqiceras by Wright and Kennedy (1981) and Gale et al. (2019).
It was assigned to Calycoceras by Wright et al. (1996); and to Euomphaloceratinae by Wright and Kennedy (1981) and Gale et al. (2019).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Calycoceras (Hourcqiceras) Collignon |
| 1981 | Hourcqiceras Wright and Kennedy |
| 1996 | Calycoceras (Hourcqiceras) Wright et al. p. 164 |
| 2019 | Hourcqiceras Gale et al. p. 265 |
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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.
Subg. †Calycoceras (Hourcqiceras) Collignon 1939
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | More or less similar in form and ornament to C. (Gentoniceras) but with persistent constrictions and exceptionally thick shell. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Collections
No collection or age range data are available