FIGURE 1. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Skeleton in lateral view. Scale bar equals 200 mm.
FIGURE 2. Simplified stratigraphy of the Upper Jurassic in the eastern Franconian Jura, highlighting the fossil-bearing horizon (silhouette). The type locality within the Kelheim district is indicated by a black star.
FIGURE 3. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Skull in lateral view with illustration of the preserved elements. Abbreviations: an, angular; art, articular; cor, coronoid; d, dentary; en, external naris; fr, frontal; hy, hyoid; jug, jugal; lac, lacrimal; mx, maxilla; ns, nasal; pmx, premaxilla; po, postorbital; pof, preorbital fenestra; prf, prefrontal; ?qu, possible quadrate; sa, surangular; sdg, surangulodentary groove; sp, splenial; ?sq, squamosal or squamosal-postorbital fragment. Scale bar equals 50 mm.
FIGURE 4. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Close-ups of the dentition (A) and scleral ring (B). Scale bars equal 10 mm.
FIGURE 5. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Cervical (A); dorsal (B) and sacral vertebrae (C) in lateral view. Abbreviations: ans, axis neural spine; axp, axis postzygapophysis; axr, axis rib; cr, cervical rib; dia, diapophysis; ns, neural spine; pat, postzygapophysis of atlas; pp, parapophysis; sr, sacral rib; sv, sacral vertebra. Scale bars equal 30 mm.
FIGURE 6. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Caudal vertebrae in lateral view. (A) proximal caudals, (B) distal caudal series and tail bend. Abbreviations: ap, anterior process; ffc, first flexural caudal vertebra; hp, hemapophysis; hs, hemapophyseal lobe; ns, neural spine. Scale bars equal 50 mm.
FIGURE 7. Cricosaurus albersdoerferi sp. nov. (BMMS-BK 1-2) holotype, late Kimmeridgian of Painten (Southern Germany). Limbs and girdle elements. (A) front limbs and pectoral girdle, (B) hind limbs and pelvis. Abbreviations: ast, astragalus; cal, calcaneum; co, coracoid; dt, distal tarsal; fe, femur; fi, fibula; h, humerus; il, ilium; mc, metacarpal; mt, metatarsal; ph, phalanx; pub, pubis; r, radius; re, radiale; sc, scapula; ti, tibia; u, ulna. Scale bars equal 50 mm.
FIGURE 8. Strict consensus topologies of Metriorhynchinae found in the parsimony analyses. A, unweighted topology; B, strongly down-weighted topology (k=1); C, all other weighting analyses topology (k=3, 7, 10, 20, and 50).
FIGURE 9. Comparison of crania of Late Jurassic Cricosaurus specimens from southern Germany. (A) BMMS-BK 1-2, holotype of Cricosaurus albersdoerferi sp. nov.; (B) NKMB-P-Watt14/274, holotype of Cricosaurus bambergensis; (C) SNSB-BSPG AS I 504, holotype of Cricosaurus elegans; (D) SMNS 9808, lectotype of Cricosaurus suevicus; (E) GPIT-PV-31381, referred specimen of Cricosaurus suevicus and (F) SMNS 7322, referred specimen of Cricosaurus suevicus. Scale bars equal 50 mm.
FIGURE 10. Comparison of tail bends of Late Jurassic Cricosaurus specimens from southern Germany. (A) BMMS-BK 1-2, holotype of Cricosaurus albersdoerferi sp. nov.; (B) SMNS 9808, lectotype of Cricosaurus suevicus; (C) GPIT-PV-31381, referred specimen of Cricosaurus suevicus; (D) NKMB-P-Watt14/274, holotype of Cricosaurus bambergensis. No scale bars intended.
