👉 Protrelloidea is a family in the order Protheroidea, which includes a diverse group of animals that have evolved from a single ancestral lineage. This family contains several groups with distinct characteristics and behaviors, including:
1.
Protheroidea
: A large group of animals found in the fossil record, including the majority of modern mammals.
2.
Protrelloidea
: One of the subfamilies within Protheroidea that includes a wide variety of extinct reptiles,