Fig. 5 in The most complete amiid fish from the Coal Creek Member of the Eocene Kishenehn Formation in northwestern Montana

Fig. 5. Amiid fish Amia sp., USNM 618000, from the Spring Site, Montana, USA; the Kishenehn Formation's Coal Creek Member, 43.5 Ma (Eocene). Dentary in left anterolateral view; three-dimensional model (A1), illustration with elements labeled, coronoid teeth outlined and indicated by arrows (A2). The letter following the anatomical abbreviation denotes the left (-l) element. Abbreviations: d, dentary; dsp, dermosphenotic; fr, frontal; l, lacrimal; n, nasal; po1, postinfraorbital.