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Ptychoceratodus szechuanensis
Taxonomy
Ceratodus szechuanensis was named by Young (1942). Its type specimen is IVPP V.230. Its type locality is locality 47 (8b), Guangyuan, which is in a Tithonian fluvial-lacustrine horizon in China.
It was recombined as Ptychoceratodus szechuanensis by Martin (1982); it was recombined as Ferganoceratodus szechuanensis by Martin et al. (1997).
It was recombined as Ptychoceratodus szechuanensis by Martin (1982); it was recombined as Ferganoceratodus szechuanensis by Martin et al. (1997).
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Ceratodus szechuanensis Young pp. 294-295 figs. Pl. 1:2-5 |
| 1982 | Ptychoceratodus szechuanensis Martin p. 612 |
| 1997 | Ferganoceratodus szechuanensis Martin et al. |
| 2004 | Ceratodus szechuanensis Schultze p. 489 |
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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.
†Ptychoceratodus szechuanensis Young 1942
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Norian | Thailand (Chaiyaphum) | Ceratodontidae indet. (89992) | |
| Middle Jurassic | Thailand (Changwat Nakhon Si Thammarat) | Ferganoceratodus szechuanensis (137735) | |
| Tithonian | China (Sichuan) | Ceratodus szechuanensis (type locality: 47076 159590) |