Figure 5 in New species of mammaliaform and the cranium of Borealestes (Mammaliformes: Docodonta) from the Middle Jurassic of the British Isles

Figure 5. Diagnostic dental features of Borealestes species, and Dobunnodon. A1–4, Borealestes serendipitus: A1, NMS G.1992.47.121.1 left M3 (mirrored) in occlusal view alongside diagrammatic illustration; A2, holotype BRSUG 20570 right m2 (mirrored) in occlusal view, cusps only, alongside diagrammatic illustration; A3, BRSUG 20570 right m2 (mirrored) crests only; A4, BRSUG 20570 right m2 (mirrored) in lingual view alongside diagrammatic illustration. B1–4, Borealestes cuillinensis: B1, NMS G.2020.4.1.1 right M3 in occlusal view alongside diagrammatic illustration; B2, NHMUK PV M46871 left upper molar in occlusal view (mirrored) with cusps marked; B3, NMS G.2020.4.1.1 m2 in occlusal view; B4 NMS G.2020.4.1.1 m2 in lingual view with cusps alongside diagrammatic illustration. C1–4, Dobunnodon mussettae: C1, holotype NHMUK PV M46495 lower right molar in occlusal view with crests and diagrammatic illustration below; C2, holotype NHMUK PV M46495 mirrored for comparison and diagrammatic illustration below; C3, holotype NHMUK PV M46495 lingual view with crests and diagrammatic illustration below; C4, holotype NHMUK PV M46495 mirrored for comparison. A and C adapted from Panciroli et al. (2019). Darker grey areas indicate broken surfaces. Scale bars equal 1 mm.