Palaeothentidae
Palaeothentidae hija familja ta' mammiferi marsupjali estinti, eżattament dawk relatati fil-qrib mal-opossumi ġrieden jew l-opossumi firien, fil-klassi Mammalia, fis-sottoklassi Theria, fl-infraklassi Metatheria, fis-superordni Ameridelphia, fl-ordni Paucituberculata, fis-sottordni Caenolestoidea ma' bosta familji oħra estinti u familja waħda biss b'rapreżentanti ħajjin (il-Caenolestidae). Din il-familja hija maqsuma f'żewġ sottofamilji, †Acdestinae u †Palaeothentinae.

Lista ta' uħud mill-ispeċi

Familja †Palaeothentidae
Sottofamilja Incertae sedis
Ġeneru †Hondathentes (Bown & Dumont, 1993)
†Hondathentes cazador (Bown & Dumont, 1993)
Sottofamilja †Acdestinae				
Ġeneru †Acdestis (Ameghino, 1887)
†Acdestis columnaris				
†Acdestis gracilis				
†Acdestis lemairei	
†Acdestis ligatus
†Acdestis maddeni (Anaya-Daza & Goin & Kay & Sánchez-Villagra & Takai, 2003)
†Acdestis obusta
†Acdestis oweni
†Acdestis robustus				
†Acdestis spegazinii
Ġeneru †Acdestodon (Bown & Fleagle, 1993)
†Acdestodon bonapartei (Bown & Fleagle, 1993)
Ġeneru †Acdestoides (Bown & Fleagle, 1993)
†Acdestoides bonapartei				
†Acdestoides praecursor (Bown & Fleagle, 1993)
Ġeneru †Trelewthentes (Bown & Fleagle, 1993)
†Trelewthentes rothi (Bown & Fleagle, 1993)
Sottofamilja †Palaeothentinae
Ġeneru †Carlothentes (Bown & Fleagle, 1993)
†Carlothentes chubutensis (Bown & Fleagle, 1993)
Ġeneru †Palaeothentes (Ameghino, 1887)
†Palaeothentes aratae				
†Palaeothentes intermedius				
†Palaeothentes lemoinei
†Palaeothentes marshalli
†Palaeothentes migueli	
†Palaeothentes minutus				
†Palaeothentes pascuali				
†Palaeothentes primus				
Ġeneru †Pilchenia (Ameghino, 1903)
†Pilchenia lucina (Ameghino, 1903)
Ġeneru †Propalaeothentes (Bown & Fleagle, 1993)
†Propalaeothentes hatcheri				
†Propalaeothentes lepidus				
Ġeneru †Titanothentes (Bown & Fleagle & Rae, 1996)
†Titanothentes simpsoni (Bown & Fleagle & Rae, 1996)

† jindika estinzjoni

Referenzi
The Paleobiology Database.
Tassonomija tal-Mammiferi.

Paucituberculata