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Platychonia
Taxonomy
Platychonia was named by Zittel (1878) [Sepkoski's age data: J Plie T Mi]. It is not extant. It is the type genus of Platychoniidae.
It was assigned to Lithistida by Sepkoski (2002); and to Platychoniidae by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Platychoniidae by Finks et al. (2004).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Platychonia Zittel |
| 2002 | Platychonia Sepkoski |
| 2004 | Platychonia Finks et al. p. 294 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Whittington et al. 1997 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Lutetian or 168.20000 to 41.03000 Ma
Collections (75 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian | India (Gujarat) | P. schlotheimi (93561) | |
| Late/Upper Bathonian | France | P. magna (37510) | |
| Early/Lower Oxfordian | Poland | P. schlotheimi (114245 114257 114258 114269 114271 114274 114275 114276 114278 114281 114498 114504 114511 114512 114513 114514 114515 114518 114519 114520 114525 114527) | |
| Middle Oxfordian | Poland | P. schlotheimi (60807 60808 60809 60810 60811 60812 60813 60816 60817 60818 60821 60850 114242 114248 114249 114253 114255 114262 114263 114265 114505 114506 114507 114508 114509 114510) | |
| Middle Oxfordian | France | P. argoviana, P. auriformis, P. oppeli, P. ostreaformis, P. rotunda, P. tuberosa, P. vagans (68642) | |
| Middle Oxfordian | Germany | P. schlotheimi (74034) | |
| Middle Oxfordian - Late/Upper Oxfordian | Germany | P. schlotheimi (74036) P. sp. (68548) | |
| Late/Upper Oxfordian | Germany (Bavaria) | P. sp. (25411) | |
| Late/Upper Oxfordian | Portugal | P. auriformis (68215) | |
| Late/Upper Oxfordian | France | P. sp., P. argoviana, P. auriformis, P. oppeli, P. ostreaformis, P. rotunda, P. tuberosa, P. vagans (67975) | |
| Late/Upper Oxfordian | Poland | P. schlotheimi (60851 60852 60853 60854 60855 60856) | |
| Early/Lower Kimmeridgian | Germany (Bavaria) | P. sp. (25412) | |
| Early/Lower Kimmeridgian | Portugal | P. sp. (34663 68586 68594) | |
| Early/Lower Kimmeridgian | Germany | P. schlotheimi (74037) | |
| Kimmeridgian | Portugal | P. auriformis (68207) | |
| Kimmeridgian | Germany | P. schlotheimi (74050 74062 74063) | |
| Late/Upper Kimmeridgian | Germany | P. sp. (34650) | |
| Early/Lower Tithonian | Germany (Baden-Württemberg) | P. sp. (34398) | |
| Lutetian | Italy (Veneto) | P. sp. (110070) |