A revision of Laeliichthys ancestralis Santos, 1985 (Teleostei: Osteoglossomorpha) from the Lower Cretaceous of Brazil: Phylogenetic relationships and biogeographical implications
Fig 2
Laeliichthys ancestralis Santos, 1985 [1].
Holotype UERJ-DZ03. A, Complete specimen; B, photograph of the head region; C, anatomical interpretations. Abbreviations: Ang, angular; Cl, cleithrum; Cor, coracoid; D, dentary; Dsph, dermosphenotic; Ecp, ectopterygoid; Epo, epiotic; Enp, endopterygoid; Exs, extrascapular; Fr, frontal; gr.ot.sc, groove for otic sensory canal; gr.so.br, groove for supraorbital branch of otic sensory canal; gr.so.sc, groove for supraorbital sensory canal; Hy, hyomandibula; Io, infraorbital; L, lacrimal; Mst, mesethmoid; Mx, maxilla; Na, nasal; Op, opercle; Pa, parietal; Pm, premaxilla; Pop, preopercle; Psp, parasphenoid; Pto, pterotic; Pt, posttemporal; Q, quadrate; Rar, retroarticular; Sca, scapula; Scl, supracleithrum. Scale bar equals 15 mm.