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| | ADW: Metatheria: Information |
 | | It divides marsupials into two "Cohorts." The Cohort Ameridelphia contains two neotropical groups, the families Didelphidae and Caenolestidae, and in addition a number of extinct groups. |
 | | The Cohort Australidelphia contains 16 families of living (or in one case, Thylacinidae, probably recently extinct) families, several extinct groups, and one family, Microbiotheriidae, that is found only in the Andes of Argentina and Chile. |
 | | These 18 families are placed in 7 orders. |
| animaldiversity.ummz.umich.edu /chordata/mammalia/metatheria.html (1554 words) |
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