Maboko Island is a small island lying in the Winam Gulf

Winam Gulf

Winam Gulf is a significant extension of northeastern Lake Victoria into western Kenya.Formerly known as Kavirondo Gulf, Nyanza Gulf, and Lake Nyanza Gulf, it is a shallow inlet and is connected to the main lake by Rusinga Channel , which is partly masked from the main body of the lake by islands...

 of Lake Victoria

Lake Victoria

Lake Victoria is one of the African Great Lakes. The lake was named for Queen Victoria of the United Kingdom, by John Hanning Speke, the first European to discover this lake....

, in Nyanza Province

Nyanza Province

Nyanza Province of Kenya, is one of Kenya's eight administrative provinces. It is located in the southwest part of Kenya around Lake Victoria. Nyanza includes part of the eastern edge of Lake Victoria and is inhabited predominantly by the Luo. There are also Bantu-speaking tribes such as the...

 of western Kenya

Kenya

Kenya , officially known as the Republic of Kenya, is a country in East Africa that lies on the equator, with the Indian Ocean to its south-east...

. It is about 1.8 km long by 1 km wide. It is an important Middle

Middle Miocene

The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene....

 Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

 paleontological

Paleontology

Paleontology "old, ancient", ὄν, ὀντ- "being, creature", and λόγος "speech, thought") is the study of prehistoric life. It includes the study of fossils to determine organisms' evolution and interactions with each other and their environments...

 site with fossil

Fossil

Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

iferous deposits that were discovered in the 1930s. The age of the deposits is estimated to be 15-16 mya, and they are especially important for the abundance of primate

Primate

A primate is a mammal of the order Primates , which contains prosimians and simians. Primates arose from ancestors that lived in the trees of tropical forests; many primate characteristics represent adaptations to life in this challenging three-dimensional environment...

fossils they contain.