Fig. 4. A. Borealestes serendipitus, attributed right upper molar BMNH J. 580 in Docodonts from the British Mesozoic

Fig. 4. A. Borealestes serendipitus, attributed right upper molar BMNH J. 580, in labial (A1), lingual (A2), anterior (A3), posterior (A4), and occlusal (A5) views. B. Borealestes mussetti sp. nov., attributed left upper molar BMNH J.404, in lingual (B1), anterior (B2), posterior (B3), and occlusal (B4) views. C. Borealestes sp., left upper molar BMNH J.455, in labial (C1), lingual (C2), anterior (C3), posterior (C4), and occlusal (C5) views. Scale bar 1 mm.