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Maconiceras
Taxonomy
Maconiceras was named by Buckman (1926).
It was reranked as Harpoceras (Maconiceras) by Bécaud (2006); it was synonymized subjectively with Harpoceras by Howarth (2013).
It was assigned to Harpoceras by Bécaud (2006); and to Harpoceratinae by Benzaggagh et al. (2022).
It was reranked as Harpoceras (Maconiceras) by Bécaud (2006); it was synonymized subjectively with Harpoceras by Howarth (2013).
It was assigned to Harpoceras by Bécaud (2006); and to Harpoceratinae by Benzaggagh et al. (2022).
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1926 | Maconiceras Buckman |
2006 | Harpoceras (Maconiceras) Bécaud p. 65 |
2022 | Maconiceras Benzaggagh et al. p. 13 |
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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. †Maconiceras Buckman 1926
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†Maconiceras soloniacense Lissajous 1906
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Invalid names: Maconiceras vigoense Buckman 1926 [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell height | 2 | 16.9 | 15.0 | 19.0 | 17.0 | 2.83 | |
shell diameter | 2 | 35.8 | 32.0 | 40.0 | 36.0 | 5.66 | |
shell inflation | 2 | 9.26 | 7.80 | 11.0 | 9.40 | 2.26 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: base of the Falciferum to the top of the Middle Toarcian or 184.20000 to 180.40000 Ma
Collections (37 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Toarcian | Spain (Granda) | M. sp (201074 201075 201078) | |
Early/Lower Toarcian | Spain (Cantabria) | Harpoceras sp. (169632) | |
Falciferum | France | M. spp. (161637 161638) | |
Falciferum | France (Vendée) | Harpoceras soloniacense (147210) Harpoceras sp. A (147206) | |
Falciferum | France (Deux-Sevrès) | Harpoceras soloniacense (147151) | |
Falciferum | Spain | M. sp. (146895) | |
Falciferum | Morocco | M. soloniacense (228340 228341 228342 228343 228344 228345) | |
Toarcian | France | M. soloniaciense (210801 210814 210829 210830 210831 210832 210834) | |
Middle Toarcian | United Kingdom (Gloucestershire) | M. sp., M. soloniacense (204112) | |
Middle Toarcian | Spain (Murcia) | M. sp (201444 201453) | |
Bifrons | Morocco | M. soloniacense (228349) | |
Bifrons | France (Deux-Sevrès) | Harpoceras sp. (147157) | |
Bifrons | Spain | M. sp. (146925) | |
Bifrons | Tunisia | M. sp. (169176) | |
Bifrons | France | Harpoceras sp. (148780 148788) Harpoceras vigoense (148332) M. soloniacense (161639 161644 170448) M. spp. (161651) |