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Pseudocalycoceras angolaense
Taxonomy
Protacanthoceras angolaense was named by Spath (1931).
It was recombined as Pseudocalycoceras angolaense by Cooper (1978), Cobban (1988) and Wilmsen and Nagm (2014).
It was recombined as Pseudocalycoceras angolaense by Cooper (1978), Cobban (1988) and Wilmsen and Nagm (2014).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Protacanthoceras angolaense Spath p. 316 |
| 1942 | Eucalycoceras dentonense Moreman p. 205 figs. Pl 33, figs 4,5; text-fig 2k |
| 1942 | Eucalycoceras indianense Moreman p. 206 figs. Pl 33, figs 9,10; text-fig 2l |
| 1942 | Eucalycoceras lewisvillense Moreman p. 206 figs. Pl 33, figs 6,7; text-figs 2n,u |
| 1963 | Eucalycoceras underwoodi Powell p. 315 figs. Pl 31, fig 17 |
| 1972 | Pseudocalycoceras dentonense Cobban and Scott p. 63 figs. pi. 13, figs. 11-29; pi. 15, figs. 1-7, 10-13. |
| 1978 | Pseudocalycoceras angolaense Cooper p. 96 figs. 4A-C,H-K, 6I,J, 10F,G, 14A, 18E,F, 19A,B, 23-25, 26F-K |
| 1988 | Pseudocalycoceras angolaense Cobban p. 12 figs. Pl 5; pl 6, figs 1,2,13,14,18,19; text-fig 10 |
| 2014 | Pseudocalycoceras angolaense Wilmsen and Nagm p. 214 |
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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.
†Pseudocalycoceras angolaense Spath 1931
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Invalid names: Eucalycoceras dentonense Moreman 1942 [synonym], Eucalycoceras indianense Moreman 1942 [synonym], Eucalycoceras lewisvillense Moreman 1942 [synonym], Eucalycoceras underwoodi Powell 1963 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 17.3 | 11.0 | 29.0 | 16.5 | 6.86 | |
| shell diameter | 6 | 41.3 | 22.0 | 70.0 | 39.0 | 16.9 | |
| shell inflation | 6 | 10.9 | 4.00 | 23.0 | 11.0 | 6.66 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Cenomanian or 99.60000 to 93.50000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | USA (Texas) | Pseudocalycoceras angolaense (177097 177098 230848) | |
| Late/Upper Cenomanian | Angola | Pseudocalycoceras angolaense (175545) | |
| Late/Upper Cenomanian | USA (New Mexico) | Pseudocalycoceras angolaense (175425 177094 177095 177096 230782) Pseudocalycoceras angolaense, Pseudocalycoceras dentonense (167817) | |
| Late/Upper Cenomanian | USA (Colorado) | Pseudocalycoceras angolaense (176980) Pseudocalycoceras dentonense (78164) | |
| Late/Upper Cenomanian | USA (Arizona) | Pseudocalycoceras angolaense (53505 54154 55436 55816) | |
| Late/Upper Cenomanian | Germany (Sachsen) | Pseudocalycoceras angolaense (172055 172057) |