Family Chelidae
                
                    33a. Four claws on forefeet.
                    
                                                                        Step 34
                                                                    
                    
                33b. Five claws on forefeet.
                    
                                                                        Step 46
                                                                    
                    
                45 possible taxa remaining show common names
- Acanthochelys macrocephala
 - Acanthochelys pallidipectoris
 - Acanthochelys radiolata
 - Acanthochelys spixii
 - Chelodina expansa
 - Chelodina longicollis
 - Chelodina mccordi
 - Chelodina novaeguineae
 - Chelodina oblonga
 - Chelodina parkeri
 - Chelodina pritchardi
 - Chelodina reimanni
 - Chelodina rugosa
 - Chelodina siebenrocki
 - Chelodina steindachneri
 - Chelus fimbriatus
 - Elseya dentata
 - Elseya latisternum
 - Elseya novaeguineae
 - Elusor macrurus
 - Emydura australis
 - Emydura krefftii
 - Emydura macquarrii
 - Emydura signata
 - Emydura subglobosa
 - Emydura victoriae
 - Hydromedusa maximiliani
 - Hydromedusa tectifera
 - Phrynops dahli
 - Phrynops geoffroanus geoffroanus
 - Phrynops geoffroanus tuberosus
 - Phrynops gibbus
 - Phrynops hilarii
 - Phrynops hogei
 - Phrynops nasutus
 - Phrynops raniceps
 - Phrynops rufipes
 - Phrynops tuberculatus
 - Phrynops vanderhaegei
 - Phrynops williamsi
 - Phrynops zuliae
 - Platemys platycephala melanonota
 - Platemys platycephala platycephala
 - Pseudemydura umbrina
 - Rheodytes leukops
 
Decision path