|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Reptilia - Testudines - Emydidae
It was assigned to Trionychidae by Lydekker (1889); to Testudinidae by Estes (1964), Estes and Tihen (1964), Melentis (1966) and Estes and Berberian (1970); and to Emydidae by Bickham (1975), Ernst and Barbour (1989), Holman (2002) and Bourque (2016).
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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.