Bistratiformes

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Bistratiformes are a subgroup of Arthrotheria which are often terrestrial or amphibious and have both an endoskeleton and an exoskeleton. The vast majority of species are ovoviviparous.

Subgroups

Family Bistratidae

Bistratiform Arthrotheres which retain the ancestral Arthrothere body form, only on land.

Family Mantitheriidae

Often quadrupedal, herbivorous Arthrotheres which resemble centaurs.

Family Arthrofelidae

Often predatory, superficially cat-like Arthrotheres.