This study was carried out in the southern pro-namib desert to find out biodiversity of Camel horn (Acacia erioloba) trees. A number of 12 A. erioloba trees were sampled randomly, six of the trees were standing upright and the other 6 have fallen. Pitfall traps were set around the stem of each tree. A total of 58 species were recorded from the sampled area (3.5 km² ). It was found that most of this species were sampled from the fallen trees; however both growth forms had an average Shannon index score. The study shows that the fallen tree has an equally important role in the ecosystem as any other tree.