FIG. 26 in The anatomy of Euphanerops longaevus Woodward, 1900, an anaspid-like jawless vertebrate from the Upper Devonian of Miguasha, Quebec, Canada

FIG. 26. — Euphanerops longaevus Woodward, 1900; Escuminac Formation, lower Frasnian (Upper Devonian), Miguasha, Quebec, Canada: A, attempted reconstruction of the branchial apparatus, showing the relations between the gill arches and the dorsal and ventral "copular elements", diagrammatically figured here as cu- bic; the "gill rods" are omitted; B, horizontal section of a gill unit, showing three possible reconstructions of the position of the "gill rods". Not to scale.Published as part of Janvier, Philippe & Arsenault, Marius, 2007, The anatomy of Euphanerops longaevus Woodward, 1900, an anaspid-like jawless vertebrate from the Upper Devonian of Miguasha, Quebec, Canada, pp. 143-216 in Geodiversitas 29 (1) on page 183, DOI: 10.5281/zenodo.537745