The biliby, the rabbit-bandicoot

Yesterday we took a peek at the bandicoot (genus: Perameles). Today we’ll look at its rabbit-eared sister, the biliby (genus: Macrotis, Fig. 1).

Figure 1. Macrotis skeleton and invivo.

Figure 1. Macrotis skeleton and invivo. No wonder they call the biliby the rabbit-bandicoot.

Macrotis and Perameles are basal marsupials with a skull similar to the Late Cretaceous Cronopio (South America) one of the most basal mammals and most basal prototheres.

Figure 1. Macrotis, the Australian biliby (rabbit-bandicoot) compared to the Late Cretaceous Cronopio (South Ametica).

Figure 2. Macrotis, the Australian biliby (rabbit-bandicoot) compared to the very much smaller Late Cretaceous Cronopio (South Ametica), a basal protothere and one of the most basal mammals.

That’s about it for today.
These taxa are part of the changes we’ll talk about soon in the lineage of marsupials.

 

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