|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Testudines - Emydidae
It was synonymized subjectively with Chrysemys by Boulenger (1889).
It was assigned to Emydinae by Estes (1964), Bickham (1975), Holman (1985) and Seidel and Smith (1986); to Deirochelyinae by Parham et al. (2008) and van Dijk et al. (2014); and to Emydidae by Cope (1875), Holman et al. (1990), Frank and Ramus (1996) and Vlachos (2018).
|Year||Name and author|
|1856||Pseudemys Gray p. 33|
|1857||Ptychemys Agassiz p. 431|
|1857||Nectemys Agassiz p. 642|
|1875||Pseudemys Cope p. 52|
|1964||Pseudemys Estes p. 99|
|1975||Pseudemys Bickham p. 203|
|1986||Pseudemys Seidel and Smith p. 246|
|1990||Pseudemys Holman et al. p. 524|
|1996||Pseudemys Frank and Ramus|
|2008||Pseudemys Parham et al.|
|2014||Pseudemys van Dijk et al.|
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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.