Peraiocynodon inexpectatus Simpson, 1928

Sigogneau-Russell, Denise, 2003, Docodonts from the British Mesozoic, Acta Palaeontologica Polonica 48 (3), pp. 357-374 : 359

Peraiocynodon inexpectatus Simpson, 1928

Fig. 3C .

Holotype: BMNH M 48348 , a partial left lower jaw with two premolars and two molars, from the Purbeck Limestone Group; Berriasian.

New molariforms.—BMNH M 51817 (left), DORCM GS 619 (left), 620 (right), 968 (left posterior half),?800 (left),?916 (left).

Revised diagnosis.—Lower molars characterized by small size, a marked anterior indentation, the presence of an antero−basal crest and of a lingual ridge.

Figures

Fig. 3. A. Krusatodon kirtlingtonensis gen. et sp. nov., left lower molar BMNH J. 784, in lingual (A1), labial (A2), occlusal (A3), anterior (A4), and posterior (A5) views. B. Krusatodon kirtlingtonensis gen. et sp. nov., right lower molar BMNH J. 526, in occlusal view. C. Peraiocynodon inexpectatus, holotype lower molariforms BMNH M 48248, in lingual view, drawn from cast. D. Peraiocynodon major sp. nov. holotype left lower molariform BMNH J. 693 in lingual (D1), labial (D2), anterior (D3), posterior (D4), and occlusal (D5) views. Upper scale bar is for A–C, lower for D. Scale bars 1 mm.