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Ptychodus martini
Taxonomy
Ptychodus martini was named by Williston (1900).
It was synonymized subjectively with Ptychodus polygyrus by Herman (1977).
It was synonymized subjectively with Ptychodus polygyrus by Herman (1977).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Ptychodus martini Williston |
| 1902 | Ptychodus martini Hay p. 318 |
| 1980 | Ptychodus connellyi MacLeod and Slaughter |
| 2004 | Ptychodus martini Hamm and Shimada p. 217 fig. 1 |
| 2011 | Ptychodus martini Hamm and Cicimurri p. 112 fig. 3F |
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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 martini Williston 1900
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Invalid names: Ptychodus connellyi MacLeod and Slaughter 1980 [synonym]
Diagnosis
No diagnoses are available