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Obtusicostites
Taxonomy
Obtusicostites is a genus. It is not extant. Its type is Perisphinctes obtusicosta.
It was assigned to Proplanulitinae by Arkell et al. (1957); to Ammonoidea by Sepkoski (2002); and to Sivajiceratinae by Dutta and Bardhan (2016) and Dutta et al. (2017).
It was assigned to Proplanulitinae by Arkell et al. (1957); to Ammonoidea by Sepkoski (2002); and to Sivajiceratinae by Dutta and Bardhan (2016) and Dutta et al. (2017).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Hubertoceras Arkell et al. p. L317 |
| 1957 | Obtusicostites Arkell et al. p. L317 |
| 2002 | Hubertoceras Sepkoski |
| 2002 | Obtusicostites Sepkoski |
| 2016 | Obtusicostites Dutta and Bardhan p. 35 |
| 2017 | Obtusicostites Dutta et al. p. 14 |
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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. †Obtusicostites
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†Obtusicostites ankoboensis Collignon 1958
†Obtusicostites obtusicosta Waagen 1875
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Invalid names: Kinkeliniceras crassiplanula Spath 1931 [synonym], Obtusicostites buckmani Spath 1931 [synonym], Obtusicostites ushas Spath 1931 [synonym], Obtusicostites waageni Spath 1931 [synonym], Perisphinctes dhosaensis Waagen 1875 [synonym], Perisphinctes omphalodes Waagen 1875 [synonym]
†Obtusicostites retrorsicostatus Collignon 1959
Invalid names: Hubertoceras [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Early/Lower Callovian to the top of the Albian or 164.70000 to 100.50000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian | India | Hubertoceras dhosaense (68663) Hubertoceras sp. (68660) Hubertoceras sp., Hubertoceras omphalodes, O. sp., O. obtusicosta, O. buckmani, O. ushas, Hubertoceras hubertus (68657) O. obtusicosta (68665) O. sp. (68653) | |
| Callovian - Oxfordian | India | Hubertoceras sp., Hubertoceras hubertus (68644) | |
| Early/Lower Callovian | Madagascar | O. waageni (98159) | |
| Late/Upper Callovian | Madagascar | Hubertoceras omphalodes, O. devi (98136) Kinkeliniceras crassiplanula (98174) | |
| Late/Upper Callovian | Madagascar (Boeny) | O. devi (234134) | |
| Middle Callovian | Madagascar (Atsimo-Andrefana ) | O. obtusicosta (234117) | |
| Middle Callovian | Madagascar (Boeny) | Hubertoceras hubertus, O. ankoboensis, Hubertoceras mutans, Hubertoceras ranaivoi (234115) O. ushas, Kinkeliniceras kinkelini (234113) | |
| Middle Callovian | India (Gujarat) | O. obtusicosta (167363 187434) | |
| Middle Callovian | Madagascar | Hubertoceras arcicosta, O. obtusicosta, O. waageni, O. devi (98183) Hubertoceras madagascariensis, Hubertoceras hubertus (98092) Hubertoceras omphalodes (98156) Hubertoceras omphalodes, O. obtusicosta, O. buckmani, O. ushas, Kinkeliniceras crassiplanula, O. devi, Hubertoceras mutans (98125) Hubertoceras sp., O. ushas (98154) O. bukmani, O. obtusicosta, O. ushas, Hubertoceras ranaivoi (98127) O. obtusicosta (98124 98139 98179) O. obtusicosta, O. buckmani, O. ushas, Hubertoceras hubertus, Hubertoceras mutans (98123) O. ranaivoi, O. ankobensis, O. ushas, Hubertoceras hubertus (98134) O. retrosicostatus, O. obtusicosta, O. ushas (98141) O. sp. (98132 98133 98157) O. sp., O. ushas (98173) | |
| Early/Lower Oxfordian | Madagascar | O. devi, O. retrorsicostatus (234136) O. retrosicostatus, O. debi, O. buckmani (98137) | |
| Albian | Madagascar (Boeny) | O. buckmani (234133) |