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Platychoniidae
Taxonomy
Platychoniidae was named by Schrammen (1924). It is extant. Its type is Platychonia.
It was assigned to Rhizomorina by Finks et al. (2004).
It was assigned to Rhizomorina by Finks et al. (2004).
Subtaxa
Synonymy list
Year | Name and author |
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1924 | Platychoniidae Schrammen |
2004 | Platychoniidae 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.
Fm. Platychoniidae Schrammen 1924
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G. †Bothrolemma Schrammen 1924
G. †Chonellopsis Schrammen 1937
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†Chonellopsis folium Schrammen 1937
†Chonellopsis striata Schrammen 1937
G. †Hyaloderma
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Whittington et al. 1997, Kiessling 2004 |
Age range: base of the Late/Upper Bathonian to the top of the Lutetian or 168.20000 to 41.03000 Ma
Collections (79 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Bathonian | France | Platychonia magna (37510) | |
Late/Upper Bathonian | India (Gujarat) | Platychonia schlotheimi (93561) | |
Early/Lower Oxfordian | Poland | Platychonia 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 | Bothrolemma osculifera, Platychonia schlotheimi (60811 60818) Platychonia schlotheimi (60807 60808 60809 60810 60812 60813 60816 60817 60821 60850 114242 114248 114249 114253 114255 114262 114263 114265 114505 114506 114507 114508 114509 114510) | |
Middle Oxfordian | Germany | Platychonia schlotheimi, Platychonia striata (74034) | |
Middle Oxfordian | France | Platychonia argoviana, Platychonia auriformis, Platychonia oppeli, Platychonia ostreaformis, Platychonia rotunda, Platychonia tuberosa, Platychonia vagans (68642) | |
Middle Oxfordian - Late/Upper Oxfordian | Germany | Platychonia schlotheimi, Platychonia striata (74036) Platychonia sp. (68548) Platychonia striata (74033) | |
Late/Upper Oxfordian | Germany (Bavaria) | Chonellopsis sp., Platychonia sp. (25411) | |
Late/Upper Oxfordian | France | Platychonia sp., Platychonia argoviana, Platychonia auriformis, Platychonia oppeli, Platychonia ostreaformis, Platychonia rotunda, Platychonia tuberosa, Platychonia vagans (67975) | |
Late/Upper Oxfordian | Poland | Platychonia schlotheimi (60851 60852 60853 60854 60855 60856) | |
Late/Upper Oxfordian | Portugal | Platychonia auriformis (68215) | |
Early/Lower Kimmeridgian | Germany | Platychonia schlotheimi, Platychonia striata (74037) | |
Early/Lower Kimmeridgian | Portugal | Platychonia sp. (34663 68586 68594) | |
Early/Lower Kimmeridgian | Germany (Bavaria) | Chonellopsis sp., Platychonia sp. (25412) | |
Kimmeridgian | Germany | Platychonia schlotheimi (74062) Platychonia schlotheimi, Platychonia striata, Platychonia folium (74050) Platychonia schlotheimi, Platychonia striata, Platychonia folium, Amphibleptula jurassica (74063) | |
Kimmeridgian | Portugal | Platychonia auriformis (68207) | |
Late/Upper Kimmeridgian | Germany | Platychonia sp. (34650) Platychonia striata (74065 74099) Platychonia striata, Amphibleptula jurassica (74064) | |
Early/Lower Tithonian | Germany (Baden-Württemberg) | Platychonia sp. (34398) | |
Lutetian | Italy (Veneto) | Platychonia sp. (110070) |