D. delairi Evans and Kemp, 1976 (type) D. typocardium (Seeley, 1869) D. bueckebergensis (Karl, Groning, Brauckmann, and Reich, 2012) Pleurosternon typocardium Seeley, 1869 Thalassemys ruetimeyeri Lydekker, 1889 Ballerstedtia Karl, Groning, Brauckmann, and Reich, 2012 Dorsetochelys is an extinct genus of turtle from the Early Cretaceous of southern England and northwestern Germany.

The type species, Dorsetochelys delairi, was described on the basis of DORCM G.23, a complete skull from the Early Cretaceous (Berriasian) Purbeck Group of Dorset, England.

[2] However, a cladistic analysis conducted in 2013 recovered that species as a member of Baenidae, sister to Uluops.

[3] In 2012, pleurosternid remains were described from the Early Cretaceous (Berriasian) Bückeberg Formation of Lower Saxony, northwestern Germany, and this prompted a re-assessment of the problematic species "Pleurosternon" typocardium, which had been tentatively referred to Glyptops by Milner (2004).

[4] The new genus Ballerstedtia was coined for "P." typocardium, and the remains from Lower Saxony were named B.