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Platyostoma indica
Taxonomy
Platystoma indicum was named by Waagen (1880). It is a 3D body fossil. Its type locality is Chittawan Near Ghari, compact limestone, Middle Productus-limestone, Salt Range, which is in a Wuchiapingian carbonate limestone in the Wargal Formation of Pakistan.
It was recombined as Strophostylus indicus by Grabau (1931); it was recombined as Diaphorostoma indicum by Reed (1944); it was recombined as Platyostoma indica by Karczewski (1982).
It was recombined as Strophostylus indicus by Grabau (1931); it was recombined as Diaphorostoma indicum by Reed (1944); it was recombined as Platyostoma indica by Karczewski (1982).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Platystoma indicum Waagen p. 105 figs. Pl 11, fig 1 |
| 1931 | Strophostylus indicus Grabau p. 359 figs. Pl 35, figs 5,6 |
| 1944 | Diaphorostoma indicum Reed |
| 1982 | Platyostoma indica Karczewski p. 100 figs. Pl 34, figs 4,5 |
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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.
†Platyostoma indica Waagen 1880
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 31.1 | 26.0 | 40.0 | 29.0 | 7.37 | |
| shell diameter | 3 | 56.0 | - | - | 56.0 | - |
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Knight et al. 1960, Kiessling 2004, Batten 1984 | |||||
Age range: base of the Asselian to the top of the Wuchiapingian or 298.90000 to 254.14000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Sakmarian | Svalbard and Jan Mayen | Platyostoma indica (145696) | |
| Wordian | Pakistan | Diaphorostoma indicum (125843) | |
| Wordian | China (Nei Mongol) | Strophostylus indicus (109091 109209 109211 109257) | |
| Capitanian | Pakistan | Diaphorostoma indicum (125882 127032) | |
| Wuchiapingian | Pakistan | Diaphorostoma indicum (126302) Platystoma indicum (type locality: 95279) |