Bos palaesondaicus

{{Short description|Extinct species of mammal}}

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{{Use dmy dates|date=April 2024}}

{{speciesbox

| fossil_range = Pleistocene

| image = Bos palaesondaicus.png

| image_caption = Bos palaesondaicus skull at the Bandung Geological Museum.

| image2 = Bibos palaesondaicus-Naturalis-PeterMaas.JPG

| image2_caption = Partial skull at Naturalis.

| genus = Bos

| species = palaesondaicus

| authority = (Dubois, 1908)

| range_map =

| range_map_caption =

| synonyms = Bibos palaesondaicus Dubois, 1908

| extinct = yes

}}

Bos palaesondaicus occurred on Pleistocene Java (Indonesia) and belongs to the Bovinae subfamily. It has been described by the Dutch paleoanthropologist Eugène Dubois in 1908.Dubois, E. (1908). Das Geologische Alter der Kendengoder TrinilFauna. Tijdschr. Kon. Ned. Aardr. Gen., ser. 2, vol. 25, pp. 12351270, pl. 39. The holotype of Bos palaesondaicus is a skull from Trinil. This species is the likely ancestor to the banteng (Bos javanicus).Hooijer, D.A. (1958a). Fossil Bovidae from the Malay archipelago and the Punjab, Zoologische Verhandelingen van de Museum Leiden 38:1–112.Hooijer, D. A. (1958b). Sexual differences in the skull of fossil and recent banteng. Mammalia 22:73–75.