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Fig. 3 | Zoological Letters

Fig. 3

From: Mosaic of plesiomorphic and derived characters in an Eocene myliobatiform batomorph (Chondrichthyes, Elasmobranchii) from Italy defines a new, basal body plan in pelagic stingrays

Fig. 3

Promyliobatis gazolai from the Eocene of the Bolca Lagerstätte. a Detail of the head region of the holotype MCSNV VII.B.90/91. b Reconstruction. Scale bars = 10 mm. Abbreviations: bmp, basibranchial medial plate; cb, ceratobranchials; hyo, hyomandibula; mc, Meckel’s cartilage; mes, mesopterygium; met, metapterygium; nc, nasal capsules; pro, propterygium; ps, pseudohyoid; rr, rostral radials; sca, scapulocoracoid; shc, secondary hyomandibular cartilage; syn2, thoracolumbar synarcual. The arrows indicate the anterior-most propterygial radials, which are branched and do not present interradial joints, therefore excluding the presence of the compagibus laminam

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