Titanosarcolites is a genus of giant rudist bivalve from the Cretaceous.

Its fossils have been found in Jamaica, Southeastern Mexico and the Southern US.

There were several species, including T. alatus, T. giganteus, T. macgillavryi and T.

[1][2] Titanosarcolites was rather large, perhaps being 2 meters in overall size at its largest.

This article about a prehistoric bivalve is a stub.