FIG. 9 in Asterolepis alticristata n. sp. (Antiarchi) from the Upper Devonian (Frasnian) of Nunavut, Canada, and a report on the antiarch diversity of the Fram Formation

FIG. 9. — Antiarchi material from Devonian deposits of Nunavut. A, Asterolepidoidei sp. indet. from NV0207, NUFV 1280, nuchal plate in dermal view; B, Asterolepis sp. indet. from NV0205, NUFV 1287, anterior median dorsal plate in dermal view; C, D, Bothriolepis sp. indet. from NV2K17, NUFV 847, anterior median dorsal plate in dermal (C) and visceral (D) views; E-J, Bothriolepididae sp. indet. from NV2K15, E, F, NUFV 1296, right lateral plate in dermal (E) and visceral (F) views; G, H, NUFV 1295, premedian plate in dermal (G) and visceral (H) views; I, J, NUFV 1302, nuchal plate in dermal (I) and visceral (J) views; K, L, Bothriolepididae sp. indet. from NV2K05, NUFV 1305, articulated partial cephalic skeleton in dermal (K, photograph; K', labeled illustration) and visceral (L, photograph; L', labeled illustration) views; M, N, Bothriolepidoidei sp. indet. from NV9913, NUFV 1308, premedian plate in dermal (M) and visceral (N) views; O-Q, Asterolepidoidei sp. indet. from NV9917, NUFV 1307, nuchal plate in dermal (O), visceral (P), and caudal (Q) views. Abbreviations: cpl, central pit-line groove; ifc1, principal section of infraorbital pit-line groove; L, lateral plate; Nu, nuchal plate; ood, otic-occipital depression; Pm, premedian plate; Pn, paranuchal plate; po.r, preorbital recess; Pp, postpineal plate. Scale bars: 1 cm.