. Early Devonian fishes from Utah : Arthrodira . Fig. 112. Right anterior ventro-lateral, antero-ventral, intero-lateral, and spinal plates of Arctolepida, the AVL's all reduced to the same area. A, genus from Spitsbergen related to Adinolepis, from cast, PF 1171 (X ); B, Actinolepis tuberculata, modified from Gross, 1940 (X ); C, Anarihraspis sp., restored from PF 262, 1525, 1528 (X ); D, Aethaspis major, restored from PF 939, 940, 983, 988-990 (X ); E, undetermined arctolepid from Utah, PF 923 (X ); F, Aethaspis utahe7isis, PF 321 (X ); G, Bryantolepis brachycephalus, resto
. Early Devonian fishes from Utah : Arthrodira . Fig. 112. Right anterior ventro-lateral, antero-ventral, intero-lateral, and spinal plates of Arctolepida, the AVL's all reduced to the same area. A, genus from Spitsbergen related to Adinolepis, from cast, PF 1171 (X ); B, Actinolepis tuberculata, modified from Gross, 1940 (X ); C, Anarihraspis sp., restored from PF 262, 1525, 1528 (X ); D, Aethaspis major, restored from PF 939, 940, 983, 988-990 (X ); E, undetermined arctolepid from Utah, PF 923 (X ); F, Aethaspis utahe7isis, PF 321 (X ); G, Bryantolepis brachycephalus, restored from PF 189, 194, 1543 (X ); H, Kujdanowiaspis sp., modified from Stensio, 1944 (X ); I, Arctaspis hoegi, interpreted from Heintz, 1929 (X ); J, Williamsaspis bedfordi, modified from White, 1952 (X ); K, Phlyctaenaspis acadica, after Heintz, 1933 (X ). AMV, anterior medio-ventral; AV, antero-ventral; AVL, anterior ventro- lateral; IL, intero-lateral; SP, spinal; pf, endoskeletal attachment for pectoral fin; s. AMV, s. PMV, s. PVL, extent of internal overlap areas for anterior and posterior medio-ventrals and posterior ventro-lateral; s. PL, internal overlap area, probably for posterior lateral; vp, transverse ventral pit line. 531
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Keywords: ., bookcentury1900, bookcollectionbiodiver, booksubjectfishesfossil
