Paleontologists have screened 24-million-year-old fossil flowers and bees from the Late Oligocene of Enspel, Germany, and identified a new species of linden, Tilia magnasepala, as well as two new bumblebee species, Bombus (Kronobombus) messegus and Bombus (Timebombus) palaeocrater. The presence of the same Tilia pollen in flowers and adhering to the exterior of the bumblebees provides direct evidence for their interaction and the role of Bombus as...
