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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Harpoceras (Harpoceras)
Taxonomy
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1869 | Harpoceras (Harpoceras) Waagen p. 245 |
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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. †Harpoceras (Harpoceras) Waagen 1869
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†Harpoceras (Harpoceras) kisslingi Hug 1898
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Invalid names: Glyptarpites glyptus Buckman 1927 [synonym]
†Harpoceras (Harpoceras) lassum Buckman 1927
†Harpoceras (Harpoceras) mediterraneum Pinna 1968
†Harpoceras (Harpoceras) rulleaui Bécaud 2006
†Harpoceras (Harpoceras) strangewaysi Sowerby 1820
†Harpoceras (Harpoceras) subexaratum Bonarelli 1899
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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height | 5 | 43.8 | 32.0 | 50.0 | 48.0 | 7.67 | |
diameter | 5 | 113.6 | 80.0 | 135.0 | 122.0 | 21.5 | |
inflation | 5 | 32.8 | 29.0 | 37.0 | 33.0 | 5.66 | |
shell height | 13 | 55.8 | 26.0 | 113.0 | 56.5 | 24.2 | |
shell diameter | 13 | 146.1 | 56.5 | 330.0 | 143.8 | 75.4 | |
shell inflation | 13 | 46.6 | 14.5 | 129.0 | 49.2 | 34.5 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: base of the Toarcian to the top of the Middle Toarcian or 182.70000 to 175.60000 Ma
Collections (69 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Toarcian | Spain (Cantabria) | Harpoceras strangewaysi (222262 222263 222265) | |
Early/Lower Toarcian | Somalia | Glyptarpites glyptus (179136) | |
Falciferum | France (Vendée) | Harpoceras rulleaui (140767 140769 140771 147200 147219) Harpoceras strangewaysi (140761 140762 140763 140764 140765 140766 140768 147199) Harpoceras strangewaysi, Harpoceras rulleaui (147206) | |
Falciferum | France (Deux-Sevrès) | Harpoceras kisslingi (140858) Harpoceras strangewaysi (140859 140860 147148 147149) | |
Falciferum | Hungary | Harpoceras mediterraneum (147271 148247 148258 148261 148265) Harpoceras strangewaysi (148267) Harpoceras subexaratum (147267 148232 148246 148259) Harpoceras subexaratum, Harpoceras mediterraneum (148244) | |
Falciferum | United Kingdom (Yorkshire) | Harpoceratoides strangewaysi (147833) | |
Falciferum | France | Harpoceras rulleaui (140741) Harpoceras sp. A (140861) | |
Tenuicostatum | France (Vendée) | Harpoceras sp. B (147217) | |
Toarcian | Argentina (San Juan) | Harpoceras subexaratum (33710) | |
Bifrons | France (Deux-Sevrès) | Harpoceras lassum (140867 147158 147159) Harpoceras sp. B (140865) Harpoceras sp. C, Harpoceras lassum (140866) Harpoceras sp., Harpoceras lassum (147157) | |
Bifrons | Hungary | Harpoceras mediterraneum (108050 108051 108087 108459 108462 108468 147241 147251 147254 148243 148255) Harpoceras subexaratum (108047 108054 108084 148242 148256) Harpoceras subexaratum, Harpoceras mediterraneum (108461) | |
Bifrons | Italy | Harpoceras mediterraneum (147026) Harpoceras subexaratum (147032 147043) Harpoceras subexaratum, Harpoceras mediterraneum (147034) | |
Bifrons | France (Vendée) | Harpoceras lassum (140787) Harpoceras sp. B (147221) | |
Middle Toarcian | Spain (Murcia) | Harpoceras mediterraneum (201444) |