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Blanfordiceras
Taxonomy
Blanfordiceras was named by Cossman (1907) [Sepkoski's age data: J Tith-u K Berr]. Its type is Ammonites wallichii.
It was assigned to Berriasellinae by Imlay and Jones (1970); and to Berriasellinae by Klein (2005) and Garrido et al. (2018).
It was assigned to Berriasellinae by Imlay and Jones (1970); and to Berriasellinae by Klein (2005) and Garrido et al. (2018).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Blanfordia Uhlig |
| 1907 | Blanfordiceras Cossman p. 64 |
| 1910 | Hoplites (Blanfordia) Uhlig |
| 1970 | Blanfordiceras Imlay and Jones p. B3 |
| 2005 | Blanfordiceras Klein p. 200 |
| 2018 | Blanfordiceras Garrido et al. p. 6 |
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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. †Blanfordiceras Cossman 1907
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Subg. †Blanfordiceras (Blanfordiceras) Cossmann 1907
†Blanfordiceras acuticosta Uhlig 1910
†Blanfordiceras applanatum Uhlig 1910
†Blanfordiceras boehmi Uhlig 1910
†Blanfordiceras californicum Imlay and Jones 1970
†Blanfordiceras cricki Uhlig 1910
†Blanfordiceras latidomus Uhlig 1910
†Blanfordiceras muktinathense Helmstaedt 1969
†Blanfordiceras rotundidoma Uhlig 1910
†Blanfordiceras subquadratum Uhlig 1910
†Blanfordiceras tenuicostatum Collignon 1960
†Blanfordiceras wallichi Gray 1832
Invalid names: Blanfordia Uhlig 1905 [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 15 | 30.1 | 23.0 | 40.0 | 30.0 | 5.67 | |
| shell diameter | 15 | 85.6 | 62.0 | 117.0 | 82.0 | 18.6 | |
| shell inflation | 15 | 32.3 | 21.5 | 48.0 | 31.0 | 8.70 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Kimmeridgian to the top of the Berriasian or 157.30000 to 139.80000 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Ethiopia | Hoplites cerebrant (94498) | |
| Tithonian | India | B. cricki (83609) | |
| Tithonian | USA (California) | B. sp., B. californicum (224818) | |
| Late/Upper Tithonian | Nepal | B. wallichi, B. applanatum, B. muktinathense, B. subquadratum, B. acuticosta, B. tenuicostatum, B. rotundidoma, B. cricki, B. latidomus, B. boehmi (142312) | |
| Late/Upper Tithonian | Antarctica | B. sp. (51830) B. wallichi (76467) | |
| Late/Upper Tithonian | India | B. cricki (65883) B. wallichi (65882) | |
| Late/Upper Tithonian | Iraq (Zakho) | B. sp. (192418) | |
| Late/Upper Tithonian | Argentina | B. wallichi (200703) | |
| Late/Upper Tithonian - Berriasian | Antarctica | B. sp. (51831) | |
| Berriasian | China | B. wallichi, B. applanatum (64825) |