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Gunnarites antarcticus
Taxonomy
Olcostephanus antarcticus was named by Weller (1903) [DISTRIBTUTION: Campanian; southern hemisphere.].
It was recombined as Kossmaticeras (Gunnarites) antarcticum by Kilian and Reboul (1909); it was recombined as Gunnarites antarcticus by Marshall (1926), Spath (1953), Lahsen and Charrier (1972), Kennedy and Klinger (1985) and Macellari (1986).
It was recombined as Kossmaticeras (Gunnarites) antarcticum by Kilian and Reboul (1909); it was recombined as Gunnarites antarcticus by Marshall (1926), Spath (1953), Lahsen and Charrier (1972), Kennedy and Klinger (1985) and Macellari (1986).
Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Olcostephanus antarcticus Weller p. 4 figs. pl. 2, figs. 1-2 |
| 1909 | Kossmaticeras (Gunnarites) antarcticum Kilian and Reboul p. 33 figs. pl. 15, fig. 2 |
| 1926 | Gunnarites antarcticus Marshall p. 162 figs. Pl 22, fig 3; pl 39, figs 3,4 |
| 1953 | Gunnarites antarcticus Spath p. 29 figs. Pl 3, fig 5; pl 4, fig 9; pl 6, figs 1-5; pl 7, fig 1; pl 8, fig 8; pl 11, fig 1 |
| 1972 | Gunnarites antarcticus Lahsen and Charrier p. 529 figs. Pl 1, figs 4-6 |
| 1985 | Gunnarites antarcticus Kennedy and Klinger p. 222 |
| 1986 | Gunnarites antarcticus Macellari p. 42 |
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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.
†Gunnarites antarcticus Weller 1903
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 48.4 | 35.0 | 71.1 | 45.5 | 18.6 | |
| shell diameter | 3 | 112.0 | 82.0 | 158.0 | 108.5 | 38.6 | |
| shell inflation | 3 | 35.1 | 25.0 | 47.4 | 36.5 | 11.2 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Campanian to the top of the Early/Lower Maastrichtian or 83.50000 to 66.00000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Campanian | Antarctica | Gunnarites antarcticus (166117 166135 166141 166142 166144 166149 166151 166152 166153 166168 166169 166174) | |
| Late/Upper Campanian | South Africa | Gunnarites antarcticus (82696) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | Gunnarites antarcticus (39620) | |
| Maastrichtian | South Africa | Gunnarites antarcticus (82695) | |
| Early/Lower Maastrichtian | Antarctica | Gunnarites antarcticus (83550) | |
| Late/Upper Maastrichtian | Chile | Gunnarites antarcticus (83613 83614) |