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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Proplacenticeras
Taxonomy
Proplacenticeras is a genus. It is not extant.
It was assigned to Placenticeratidae by Parnes (1964); and to Ammonoidea by Sepkoski (2002).
It was assigned to Placenticeratidae by Parnes (1964); and to Ammonoidea by Sepkoski (2002).
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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. †Proplacenticeras
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†Proplacenticeras stantoni Hyatt 1903
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Invalid names: Placenticeras merenskyi Haughton 1930 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Late/Upper Albian to the top of the Middle Coniacian or 105.30000 to 85.80000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Madagascar (Antsiranana) | P. rerati (86507) | |
| Early/Lower Cenomanian - Late/Upper Albian | Spain | P. sp. (3832) | |
| Late/Upper Cenomanian | USA (Utah) | P. stantoni (88028) | |
| Late/Upper Cenomanian | Angola | P. stantoni (70955) | |
| Early/Lower Turonian | USSR | P. kharesmense (3801 3803) P. simakovi, P. kharesmense (3797) | |
| Early/Lower Turonian | USA (Alaska) | P. sp. (226969 226975) | |
| Late/Upper Turonian | USA (South Dakota) | P. stantoni (88005) | |
| Early/Lower Coniacian | Israel | P. sp. (69822) | |
| Middle Coniacian | South Africa | P. sp. (82440 82443 82455) | |
| Middle Coniacian | India (Tamil Nadu) | P. tamulicum (46503) |