New marsupial from the Fort Union Formation, Swain Quarry, Wyoming

Z. Johanson

1996

Article

Journal of Paleontology 70(6):1023-1031

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Taxa discussed in this work:

• Garatherium
• Swaindelphys
• Swaindelphys cifellii

Taxonomy:

• Swaindelphys cifellii belongs to Swaindelphys - Johanson (1996)
• Peratherium belongs to Herpetotheriidae - Johanson (1996)
• Amphiperatherium belongs to Herpetotheriidae - Johanson (1996)