Template:Riggs, 1933

• Riggs, E.S. 1933. Preliminary description of a new marsupial sabertooth from the Pliocene of Argentina. Field Museum of Natural History. Geological Series 6: 61–66. DOI: 10.5962/bhl.title.5427 BHL  
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Nomenclatural acts

• Date of publication: 11 December 1933

New names

• Thylacosmilus gen. nov. [p. 61]
• Thylacosmilus atrox sp. nov. [p. 62]
• Thylacosmilus lentis sp. nov. [p. 62]
• Thylacosmilinae (subfam. nov.) [p. 65]