The forms collected in the Aquitaine Eocene are very similar to Bradleya approximata (BOSQUET) (1852, p. 88, pl. 4, ... [details]
This species has oblong-subtetragonal valves, rounded at the front and bordered by a fairly wide, smooth, ... [details]
This species has oblong-subtetragonal valves, rounded at the front and bordered by a fairly wide, smooth, ... [details]
This species, although very close to my Cythere (Cypridina) Koninckiana from the Maastricht chalk, is easily ... [details]
This species, although very close to my Cythere (Cypridina) Koninckiana from the Maastricht chalk, is easily ... [details]
Subspecies of Bradleya approximata (BOSQUET) characterized by its size smaller than that of the type species, by ... [details]