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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Mortoniceras (Angolaites)
Taxonomy
Angolaites was named by Spath (1932). Its type is Subschloenbachia gregoryi.
It was reranked as Mortoniceras (Angolaites) by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).
It was assigned to Mortoniceras by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).
It was reranked as Mortoniceras (Angolaites) by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).
It was assigned to Mortoniceras by Reyment (1955), Cooper and Kennedy (1979) and Kennedy et al. (1998).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Mortoniceras (Angolaites) Reyment p. 37 |
| 1957 | Drakeoceras Young p. 19 |
| 1979 | Praeangolaites Collignon p. 41 |
| 1979 | Mortoniceras (Angolaites) Cooper and Kennedy p. 283 |
| 1979 | Drakeoceras Cooper and Kennedy p. 293 |
| 1998 | Mortoniceras (Angolaites) Kennedy et al. p. 24 |
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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. †Mortoniceras (Angolaites) Spath 1932
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†Mortoniceras (Angolaites) drakei Young 1957
†Mortoniceras (Angolaites) gregoryi Spath 1922
†Mortoniceras (Angolaites) simplex Choffat 1905
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†Pervinquieria simplex tenuis Haas 1942
Invalid names: Pervinquieria vicina Haas 1942 [synonym]
†Mortoniceras (Angolaites) wintoni Adkins 1920
Invalid names: Drakeoceras Young 1957 [synonym], Pervinquieria vicina evoluta Haas 1942 [synonym], Praeangolaites Collignon 1979 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 32.4 | 16.0 | 49.5 | 35.8 | 11.1 | |
| shell diameter | 9 | 87.5 | 39.5 | 133.0 | 99.0 | 31.5 | |
| shell inflation | 9 | 30.0 | 12.5 | 50.5 | 34.0 | 13.4 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Albian or 105.30000 to 99.60000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Nigeria | Mortoniceras gregoryi (82735 82773) Mortoniceras wintoni (210701) | |
| Late/Upper Albian | Angola | Mortoniceras gregoryi, Mortoniceras simplex (232170) Pervinquieria simplex (83840) Schloenbachia inflata (210889) Schloenbachia simplex (210888) Subschloenbachia gregoryi (210842 210843) | |
| Late/Upper Albian | USA (Texas) | Mortoniceras drakei (82364 82366 82368 82370) Mortoniceras sp. (82369) Mortoniceras wintoni (82361) |