FIG. 39 in The anatomy of Euphanerops longaevus Woodward, 1900, an anaspid-like jawless vertebrate from the Upper Devonian of Miguasha, Quebec, Canada

FIG. 39. — Euphanerops longaevus Woodward, 1900; Escuminac Formation, lower Frasnian (Upper Devonian), Miguasha, Quebec, Canada; specimen MHNM 01-123: A, detail view of the middle part of the "white line" (left framed area in C); B, photograph (B1) and camera lucida drawing (B2) of the posterior extremity of the "white line" and the transition between the anterior and posterior "haemal series" (right framed area in C). Scale bars: A, 10 mm; B, 5 mm.