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Line drawing of wing morphology and venation pattern of selected extant and all fossil species of Ceratopetalum. (A–C) Extant species. (A) C. gummiferum. (B) C. succirubrum. (C) C. virchowii. (D–H) Fossil species. (D) C. westermannii. (E) C. priscum. (F) C. wilkinsonii. (G) C. maslinensis. (H) C. edgardoromeroi. See Tables 1 and 2 for descriptions; (A–D) are redrawn from Barnes and Hill (1999). Scale bar = 1 cm.
