FIG. 6 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
Description
FIG. 6. — Asterolepis cf. radiata: A, B, NUFV 797, anterior median dorsal plate in dermal (A) and visceral (B, photograph; B', labeled illustration) views; C, D, NUFV 825, partial posterior median dorsal plate in dermal (C) and visceral (D, photograph; D', labeled illustration) views; E, NUFV 863, mixilateral in dermal view. Abbreviations: cd.ADL, area overlapped by the anterior dorsolateral plate; cd.AMD, area overlapped by the anterior median dorsal plate; cd.PMD, area overlapped by the posterior median dorsal plate; cv.ADL, area overlapping the anterior dorsolateral plate; cv.Mxl, area overlapping the mixilateral plate; lc, lateral corner; op.r, oblique posterolateral ridge; ps.d, parasagittal depressions; r.a, rough area; ta, tergal angle; v.p, visceral pit. Scale bar: 2 cm.
Notes
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