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Ptychodus decurrens
Taxonomy
Ptychodus decurrens was named by Agassiz (1838). Its type specimen is BMNH P.5449, a set of teeth, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1838 | Ptychodus decurrens Agassiz figs. Pl 25b, figs 1-8 |
| 1839 | Ptychodus decurrens Agassiz p. 154 |
| 1850 | Ptychodus depressus Dixon p. 363 |
| 1850 | Ptychodus oweni Dixon p. 364 |
| 1889 | Ptychodus decurrens Woodward p. 138 |
| 1889 | Ptychodus oweni Woodward p. 138 |
| 1889 | Ptychodus multistriatus Woodward p. 146 |
| 1902 | Ptychodus decurrens Hay p. 317 |
| 1935 | Ptychodus decurrens Dalinkevičius p. 262 |
| 1999 | Ptychodus decurrens Cappetta and Case p. 11 figs. Pl 2, figs 8-10 |
| 2006 | Ptychodus decurrens Shimada et al. p. 6 figs. 6.3, 6.4 |
| 2008 | Ptychodus decurrens Shimada and Martin p. 91 fig. 4B |
| 2010 | Ptychodus decurrens Underwood and Cumbaa p. 911 figs. Pl 3, figs 1-6 |
| 2019 | Ptychodus decurrens Amadori et al. p. 230 |
| 2020 | Ptychodus decurrens Amalfitano et al. p. 267 fig. 6 |
| 2023 | Ptychodus decurrens Amadori et al. p. 4 fig. 2B,D,L.M |
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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.
†Ptychodus decurrens Agassiz 1838
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Invalid names: Ptychodus depressus Dixon 1850 [synonym], Ptychodus multistriatus Woodward 1889 [synonym], Ptychodus oweni Dixon 1850 [synonym]
Diagnosis
No diagnoses are available