A new freshwater crab (Decapoda: Brachyura: Potamonautidae)\ud from the Paleogene of Tanzania, Africa

Abstract

Discovery of numerous fragmentary remains of freshwater crab in Paleogene, probably Oligocene, sediments in Tanzania, Africa, permits the description of a new genus and species,\ud Tanzanonautes tuerkai. The fossils represent the oldest freshwater crabs known