| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Calycoceras (Calycoceras)
Taxonomy
Calycoceras (Calycoceras) was named by Hyatt (1900). Its type is Ammonites navicularis.
It was assigned to Calycoceras by Cooper (1978), Kennedy and Simmons (1991), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy et al. (1996), Barroso-Barcenilla (2004), Guendouz et al. (2022).
It was assigned to Calycoceras by Cooper (1978), Kennedy and Simmons (1991), Kennedy (1994), Wright et al. (1996), Kennedy et al. (1996), Kennedy et al. (1996), Barroso-Barcenilla (2004), Guendouz et al. (2022).
Subtaxa
Calycoceras (Calycoceras) boreale, Calycoceras (Calycoceras) dromense, Calycoceras (Calycoceras) inflatum, Calycoceras (Calycoceras) naviculare (syn. Mantelliceras oregonense, Acanthoceras borgesi, Calycoceras obrieni, Calycoceras (Metacalycoceras) auspicium, Metacalycoceras grossouvrei, Calycoceras (Metacalycoceras) stoliczkai)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Calycoceras (Calycoceras) Hyatt |
| 1978 | Calycoceras (Calycoceras) Cooper p. 85 |
| 1991 | Calycoceras (Calycoceras) Kennedy and Simmons p. 136 |
| 1994 | Calycoceras (Calycoceras) Kennedy p. 227 |
| 1996 | Calycoceras (Calycoceras) Kennedy et al. p. 313 |
| 1996 | Calycoceras (Calycoceras) Kennedy et al. p. 3 |
| 1996 | Calycoceras (Calycoceras) Wright et al. p. 164 |
| 2004 | Calycoceras (Calycoceras) Barroso-Barcenilla p. 89 |
| 2022 | Calycoceras (Calycoceras) Guendouz et al. p. 2163 |
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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 (Calycoceras) Hyatt 1900
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†Calycoceras (Calycoceras) boreale Kennedy et al. 1996
†Calycoceras (Calycoceras) dromense Thomel 1972
†Calycoceras (Calycoceras) inflatum Cobban et al. 1989
†Calycoceras (Calycoceras) naviculare Mantell 1822
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Invalid names: Acanthoceras borgesi Douville 1931 [synonym], Calycoceras (Metacalycoceras) auspicium Anderson 1958 [synonym], Calycoceras (Metacalycoceras) stoliczkai Collignon 1937 [synonym], Calycoceras obrieni Young 1957 [synonym], Mantelliceras oregonense Anderson 1958 [synonym], Metacalycoceras grossouvrei Spath 1926 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | Medium-sized to large; whorl section normally depressed and may be polygonal; ribs more or less distant and coarse; all tubercles except umbilical normally absent in middle growth, but weak outer ventrolaterals may persist and be rejuvenated on body chamber. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 11 | 28.4 | 9.40 | 71.3 | 32.0 | 17.2 | |
| shell diameter | 11 | 67.2 | 21.0 | 176.1 | 78.0 | 43.0 | |
| shell inflation | 11 | 18.9 | 5.90 | 46.1 | 21.9 | 11.8 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Middle Cenomanian to the top of the Late/Upper Turonian or 100.50000 to 89.80000 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian - Early/Lower Cenomanian | USA (California) | Mantelliceras oregonense (83775) | |
| Cenomanian | United Kingdom (East Devon) | Ammonites navicularis (233957) | |
| Cenomanian | India | Calycoceras naviculare (217160) | |
| Cenomanian | USA (New Mexico) | Calycoceras obrieni, Calycoceras naviculare, Calycoceras inflatum (230799) | |
| Cenomanian | United Kingdom (England) | Ammonites navicularis (154013) | |
| Cenomanian - Late/Upper Cenomanian | USA (California) | Calycoceras stoliczkai (224917) | |
| Late/Upper Cenomanian | USA (Utah) | Calycoceras naviculare (44164) | |
| Late/Upper Cenomanian | USA (South Dakota) | Calycoceras boreale (77739) Calycoceras dromense (178549) Calycoceras sp., Calycoceras boreale, Calycoceras dromense (77738) | |
| Late/Upper Cenomanian | USA (Colorado) | Calycoceras naviculare (78164 176972 176973 176974 176975 176976 176977 176978 176979 176980 176981 176987 176988) | |
| Late/Upper Cenomanian | Algeria | Calycoceras naviculare (227882) | |
| Late/Upper Cenomanian | Japan (Hokkaido) | Calycoceras naviculare (94684) | |
| Late/Upper Cenomanian | USA (Arizona) | Calycoceras naviculare (53507 53924 53932 54164 55815 55816) Calycoceras obrieni (54118) | |
| Late/Upper Cenomanian | Spain | Calycoceras naviculare (186990) | |
| Late/Upper Cenomanian | France | Calycoceras naviculare (4064 59811 230781) Calycoceras sp. (82844) | |
| Late/Upper Cenomanian | Libya | Calycoceras naviculare (208631 208632) | |
| Late/Upper Cenomanian | USA (Oregon) | Mantelliceras oregonense (158126) | |
| Late/Upper Cenomanian | USA (Kansas) | Calycoceras naviculare (176989) | |
| Late/Upper Cenomanian | Germany (Sachsen) | Calycoceras naviculare (172055 172056) | |
| Late/Upper Cenomanian | Angola | Calycoceras naviculare (70955 175545) | |
| Late/Upper Cenomanian | Japan | Calycoceras naviculare (87021) | |
| Late/Upper Cenomanian | France (Normandy) | Calycoceras naviculare (4022) | |
| Late/Upper Cenomanian | USA (New Mexico) | Calycoceras naviculare (44284 230784) | |
| Middle Cenomanian | France (Pays de la Loire region) | Ammonites navicularis (233958) | |
| Middle Cenomanian | Papua New Guinea | Calycoceras sp. nov. (177071) | |
| Late/Upper Turonian | USA (Oregon) | Calycoceras auspicium (86813) |