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Placotrochus
Taxonomy
Placotrochus was named by Milne-Edwards and Haime (1848) [Sepkoski's age data: T Than-l R Sepkoski's reference number: 86]. It is extant.
It was assigned to Flabellidae by Wells (1956) and Squires and Demetrion (1992); and to Scleractinia by Sepkoski (2002).
It was assigned to Flabellidae by Wells (1956) and Squires and Demetrion (1992); and to Scleractinia by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Placotrochus Milne-Edwards and Haime |
| 1956 | Placotrochus Wells |
| 1992 | Placotrochus Squires and Demetrion p. 24 |
| 2002 | Placotrochus Sepkoski |
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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. Placotrochus Milne-Edwards and Haime 1848
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†Placotrochus alveolus Duncan 1863
†Placotrochus lonsdalei Duncan 1863
†Placotrochus texanus Vaughan 1903
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Berriasian to the top of the Langhian or 145.00000 to 13.82000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Berriasian - Valanginian | China (Xizang) | P. texana (74251) | |
| Cenomanian | USA (Texas) | P. texanus (123262 123263) | |
| Ypresian | Mexico (Baja California Sur) | P. sp. (5496) | |
| Ypresian | Pakistan | P. tipperi (145130) | |
| Lutetian - Bartonian | North Atlantic (Saint Barthélemy) | P. clevei (71118) | |
| Chattian | France | P. sp. (163836) | |
| Burdigalian - Langhian | Australia (Western Australia) | P. sp. (34466) |