Scrotifera

Scrotifera ("scrotum bearers") is a clade of placental mammals that groups together grandorder Ferungulata, Chiroptera (bats), other extinct members and their common ancestors.

The clade Scrotifera is a sister group to the order Eulipotyphla (true insectivores) based on evidence from molecular phylogenetics,[1] and together they make superorder Laurasiatheria.

Peter Waddell, then of the Institute of Statistical Mathematics, explains the etymology of the clade's name as follows: The name comes from the word scrotum, a pouch in which the testes permanently reside in the adult male.

All members of the group have a postpenile scrotum, often prominently displayed, except for some aquatic forms and pangolin (which has the testes just below the skin).

[4][6] According to a 2022 study, two extinct species (Eosoricodon terrigena and "Wyonycteris" microtis) were identified as outside of the family Nyctitheriidae and more closely related mammals to bats.