The Bornean shrew (''Crocidura foetida'') is a species of

mammal Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...

in the family Soricidae. It is found only on

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

, throughout most of the island; it may or may not be present in

Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi alphabet, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely sur ...

. Multilocus phylogenies reveal paraphyly in ''C. foetida''. Individuals from central, south and western Borneo, integrate a monophyletic clade, that diverged around 1 million years ago from a shallow clade which includes individuals from Sabah, plus the

Kinabalu shrew The Kinabalu shrew (''Crocidura baluensis'') is a species in the family Soricidae. It is endemic to the mountain Mount Kinabalu on Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At th ...

, ''C. baluensis'', and the black-footed shrew, ''C. nigripes'' (Sulawesi).Arlo Hinckley, Miguel Camacho-Sanchez, Manuel Ruedi, Melissa T R Hawkins, Madeleine Mullon, Anna Cornellas, Fred Tuh Yit Yuh, Jennifer A Leonard, Evolutionary history of Sundaland shrews (Eulipotyphla: Soricidae: Crocidura) with a focus on Borneo, Zoological Journal of the Linnean Society, 2021, https://doi.org/10.1093/zoolinnean/zlab045

References

Mammals described in 1870 Taxa named by Wilhelm Peters {{whitetoothed-shrew-stub