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Fig. 7 in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 7. Ophioculina hoybergia Rousseau & Thuy gen. et sp. nov., paratypes. A–B. Paratype PMO 218.001c. A. Nearly complete specimen (outlined) preserving five arms and the ventral side of the disc, on a concretion slab with an accumulation of specimens. B. Detail view of arm section. C. Paratype PMO 218.048. Articulated ventral disc preserving good details of the oral plates, the second oral tentacle pores and the rows of papillae bordering the genital slit. D–E. Paratype PMO 218.010b. D. Articulated specimen preserving the basal portion of five arms and showing details of the dorsal disc. E. Detail view of arm section. Abbreviations: aos = adoral shield; lap = lateral arm plate; os = oral shield; rs = radial shield; sart = spine articulation; tp = tentacle pore; vap = ventral arm plate; 2otp = second oral tentacle pore.

Fig. 4 in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 4. Ophiogaleus sp. PMO 217.899a. A. Specimen preserving the ventral side of the disc area, two nearly complete arms and proximal area of a third arm. B. Detail view of the disc area. C. Drawing detail of the area shown in B. D. Detail view of a proximal section of arm. Abbreviations: abgp = abradial genital plate; adgp = adradial genital plate; ds = disc spine; lopa = lateral oral papillae; op = oral plate; sart = spine articulation; v = vertebra.

Fig. 6 in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 6. Ophioculina hoybergia Rousseau & Thuy gen. et sp. nov., holotype PMO 217.930. A. Specimen preserving the ventral side of about half of the disc area and the proximal section of three arms. B. Drawing detail of the oral region, from D. C. Detail view of the base of an arm showing the arm comb. D. Detail view of the oral region. Abbreviations: abgp = abradial genital plate; adgp = adradial genital plate; aopa = apical oral papilla; as = arm spine; gpa = genital papilla; lap = lateral arm plate; lopa = lateral oral papilla; op = oral plate; os = oral shield; v = vertebra; 2opa = papilla of the second oral tentacle pore.

Fig. 2 in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 2. Polarasterias janusensis Rousseau & Gale gen. et sp. nov. A–C. Holotype PMO 218.011a. A. Nearly complete specimen preserved in a cut-through fashion. B. Drawing detail from ambulacral groove showing ambulacrals, adambulacrals, adambulacral spines and scattered valves of forcipulate pedicellariae. C. Portion of arm illustrated in B, basal pieces of straight pedicellariae visible in cross section. D. Paratype PMO 217.982, oral region in actinal view. E. Paratype PMO 217.936, Arm tip showing terminal ossicle. F–G. Paratype PMO 218.069. F. Obliquely compressed radius showing adambulacrals, marginals, and columns of abactinal ossicles. G. Drawing detail from F. Abbreviations: abact = abactinal ossicle; adamb sp = adambulacral spine; adamb = adambulacral; amb = ambulacral; im = inferomarginal; ped bp = basal piece of pedicellariae; sm = superomarginal; sp = spine.

Fig. 5 in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 5. Ophiogaleus sp. A–E. PMO 218.060, specimen preserving the ventral side of the disc area and the base of all five arms. The specimen has been split through a horizontal plane and is visible as part (A) and counterpart (B). Photographs in A and B by H.A. Nakrem. C. Drawing detail of the oral and interradial area. D. Detail view of proximal arm segments with articulated spines. E. Detail view of distal arm segment. F. PMO 218.053a, partly disarticulated arm portion composed of three median segments showing details of the ventral side of the arms. Abbreviations: abgp = abradial genital plate; adgp = adradial genital plate; as = arm spine; cs = arm in cross section; dp = dental plate; ds = disc spine; lap = lateral arm plate; op = oral plate; rs = radial shield; vap = ventral arm plate.

Fig. 1. A in New articulated asteroids (Echinodermata, Asteroidea) and ophiuroids (Echinodermata, Ophiuroidea) from the Late Jurassic (Volgian / Tithonian) of central Spitsbergen

Fig. 1. A. Simplified geological map of the study area in Sassenfjorden, central Spitsbergen, with location of the Janusfjellet (1), Konusdalen (2) and Knorringfjellet (3) collection sites. Redrawn and adapted from Dallmann et al. (2001) by H.A. Nakrem, used with permission. B. Chrono- and lithostratigraphic correlation for the Late Jurassic-Earliest Cretaceous interval of central Spistbergen. The Slottsmøya Member is indicated by a star. Modified with permission from Dalseg et al. (2016). C. Janusfjellet locality, 78°20′35.4″ N, 15°49′85.2″ E, surface outcrop. D. Konusdalen locality, 78°19′97.1″ N, 15°52′15.5″ E, in situ layer. E. Knorringfjellet locality, N 78° 18' 04.4" E 16° 16' 02.0", surface outcrop.

FIG. 9 in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 9. — Pie charts showing the relative abundances of the crustacean communities from: A, Sainte-Scolasse-sur-Sarthe (late Callovian, Normandy, France; after Chény et al. 2023); B, Haute-Saône (early Oxfordian, east France; after Charbonnier et al. 2012); and C, Cricqueboeuf (late Oxfordian, Normandy, France; present work).

FIG. 8 in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 8. — Eryma ventrosum (Meyer, 1835) from the late Oxfordian of Cricqueboeuf, Normandy: A-C, subcomplete specimen MPV 2013.1.288.61, right lateral, dorsal, and ventral views; D-F, specimen MPV 2013.1.288.56, cephalic region showing the eyes, dorsal view (D), close-up of stalked-eye (E), close-up of ommatidia network (F); G, specimen MPV 2013.1.288.8, P1 chela, outer view; H, specimen MPV 2013.1.288.39, P1 chela, index and propodus, inner view; I, J, isolated pleon MPV 2013.1.288.50, dorsal and right lateral views; K, specimen MPV 2013.1.288.60, close-up of tail fan. Abbreviations: ip, intercalated plate; o, eye; os, orbital spine; r, rostrum. Photographs: L. Cazes, except (E-F): D. Audo. Scale bars: A-C, G-K, 1 cm; D, 5 mm; E, 1 mm; F, 200 μm.

FIG. 7 in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 7. — Eryma ventrosum (Meyer, 1835) from the late Oxfordian of Cricqueboeuf, Normandy: A, carapace MPV 2013.1.288.2, right lateral view; B, carapace MPV 2013.1.288.13, left lateral view; C, carapace MPV 2013.1.288.54, right lateral view; D, carapace MPV 2013.1.288.28, partially enclosed in carbonate nodule, right lateral view; E-G, carapace MPV 2013.1.288.57, interpretative line drawing, right lateral and ventral views; H, carapace MPV 2013.1.288.49, close-up of cephalic region, note the strong orbital and antennal spines; I, carapace MPV 2013.1.288.8, close-up of antennal-pterygostomial and ventral regions. Abbreviations: a, branchiocardiac groove; as, antennal spine; b, antennal groove; b1, hepatic groove; c, postcervical groove; d, gastro-orbital groove; ep, epistome; e1e, cervical groove; i, inferior groove; md, mandible; os, orbital spine; PoA, postorbital area; r, rostrum. Photographs: L. Cazes. Line drawings: S. Charbonnier. Scale bars: 5 mm.

FIG. 6. — Meyeria hurtrelleorum n in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 6. — Meyeria hurtrelleorum n. sp. from the late Oxfordian of Cricqueboeuf, Normandy: A-C, paratype MPV 2013.1.289.2, carapace and pleon in connection, dorsal and right lateral views, and interpretative line drawing; D, paratype MPV 2013.1.289.2, carapace and close-up of pleonal somites 2 and 3, right lateral view; E, F, paratype MPV 2013.1.289.4, fragment of carapace and P1 merus, left lateral and dorsal views; G, paratype MPV 2013.1.289.4, close-up of carapace, left lateral view; H, subcomplete specimen MPV 2013.1.289.18, almost totally enclosed in carbonate nodule showing yellowish quartz grains and ferrugineous oolites; I, J, specimen MPV 2013.1.289.58 always enclosed in enclosed in carbonate nodule showing large, yellowish quartz grains. Abbreviations: a, branchiocardiac groove; c, postcervical groove; cd, cardiac groove; dm, dorsal midline; e1e, cervical groove; oc, orbital carina; r, rostrum; sc, scaphocerite; s1-s3, pleonal somites 1 to 3. Photographs: L. Cazes. Line drawing: S. Charbonnier. Scale bars: 5 mm.

FIG. 4. — Meyeria hurtrelleorum n in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 4. — Meyeria hurtrelleorum n. sp. from the late Oxfordian of Cricqueboeuf, Normandy: A, holotype MPV 2013.1.289.1, dorsal view; B, C, paratype MPV 2013.1.289.11, carapace and pleon, right lateral view and interpretative line drawing; D, paratype MPV 2013.289.14, subcomplete specimen always enclosed into a carbonate concretion, left lateral view; E, paratype 2013.289.10, subcomplete specimen, left lateral view; F, paratype 2013.289.15, isolated carapace, left lateral view, note the coarse matrix with yellowish quartz grains; G-I, paratype 2013.289.15, carapace and pereiopods, right lateral and dorsal views, and interpretative line drawing, note the well-preserved subchelate pereiopod 2. Abbreviations: a, branchiocardiac groove; ac, antennal carina; b, antennal groove; b1, hepatic groove; c, postcervical groove; cd, cardiac groove; dm, dorsal midline; e1e, cervical groove; gc, gastro-orbital carina; i, inferior groove; oc, orbital carina; r, rostrum; sc, scaphocerite; s1-s5, pleonal somites 1 to 5. Photographs: L. Cazes. Line drawings: S. Charbonnier. Scale bars: 5 mm.

FIG. 5. — Meyeria hurtrelleorum n in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 5. — Meyeria hurtrelleorum n. sp. from the late Oxfordian of Cricqueboeuf, Normandy: A-C, paratype MPV 2013.1.289.5, subcomplete specimen showing carapace, pleon, and fragments of pereiopods, right lateral and left lateral views, and interpretative line drawing of pleon; D, E, paratype MPV 2013.1.289.74, carapace in right lateral and dorsal views; F, paratype MPV 2013.1.289.6, two specimens enclosed into the same nodule, dorsal view, note one large yellowish quartz grain (white arrow); G, paratype MPV 2013.1.289.9, subcomplete specimen, dorsal view; H-I, paratype IGR-PAL-153418, subcomplete specimen, dorsal view (H) and close-up of telson (I); J, paratype MPV 2013.1.289.12, close-up of telson, note epibiotic mollusc bivalve fixed on distal part (white arrow); K, paratype MPV 2013.1.289.16, carapace and pleon, left lateral view. Abbreviations: P1m, merus of first pereiopod; s1-s6, pleonal somites 1 to 6; t, telson. Photographs: L. Cazes, except: I, D. Gendry. Line drawing: S. Charbonnier. Scale bars: 5 mm.

FIG. 1 in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 1. — Geographic and geological settings: A, location of the Cricqueboeuf outcrop in Normandy;B, stratigraphic log of the upper Oxfordian- lower Kimmeridgian succession based on Guyader (1968) and modified after Devillez et al. (2018). The red arrow indicates the interval of beds yielding crustacean-bearing nodules.

FIG. 2 in The decapod crustacean fauna from the Late Jurassic of Cricqueboeuf, Normandy (France)

FIG. 2. — Glypheopsis trouvillensis Charbonnier, Garassino, Schweigert & Simpson, 2013 from the late Oxfordian of Cricqueboeuf, Normandy: A, B, carapace MPV 2023.1.146.5 and interpretative line drawing, left lateral view; C, carapace IGR-PAL-153416, right lateral view; D, carapace MPV 2013.1.146.3, right lateral view; E, carapace MPV 2013.1.146.4, left lateral view; F, carapace MPV 2013.1.146.6, right lateral view; G-I, carapace IGR-PAL-153417, right lateral, left lateral and dorsal views. Abbreviations: a, branchiocardiac groove; ac, antennal carina; b, antennal groove; b1, hepatic groove; c, postcervical groove; cd, cardiac groove; e1e, cervical groove; gc, gastro-orbital carina; i, inferior groove; ic, intercervical groove; oc, orbital carina; Photographs: L. Cazes, except (C): D. Gendry. Line drawing: S. Charbonnier. Scale bars: 5 mm.

Fig. 6 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 6. Dorsal vertebrae Ankylopollexia indet. from the Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian. A. Partial neural arch, ML 864 in anterior (A1), posterior (A2), lateral (A3), and dorsal (A4) views. B, C. Dorsal vertebrae, ML 452a, complete (B) and ML 452b, incomplete (C) specimens, in anterior (B1, C1), posterior (B2, C2), lateral (B3, C3), dorsal (B4, C4), and ventral (digitally modified) (B5, C5) views.

Fig. 4 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 4. Limb bones of Dryosauridae indet. from the Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian. A, B. Femur, ML 2055 (A), ML 563 (B), in anterior (A1, B1), lateral (A2, B2), medial (A3, B3), posterior (A4, B4), distal (A5, B5), and proximal (A6, B6) views. C, D. Tibia, ML 2055 associated to femur ML 2055 (C), ML 505 (D), in anterior (C1, D1), lateral (C2, D2), posterior (C3, D3), medial (C4, D4), proximal (D5), and distal (C5, D6) views.

Fig. 8 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 8. Ankylopollexian appendicular skeleton from the Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian. Coracoid ML 2206 (A), scapula ML 2042 (B), in lateral (A1, B1) and medial (A2, B2) views.

Fig. 7 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 7. Comparative dorsal vertebrae table of selected Ankylopollexians from the Late Jurassic and Early Cretaceous. A, B. Ankylopollexia indet. Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian. A. ML 452 in lateral view (A1, A2). B. ML 864 in right lateral view. C. "Uteodon" SHN.LPP 015 in left lateral view; Praia da corva, Torres Vedras Municipality, Portugal, Lourinhã Formation (Kimmeridgian–Tithonian). D. "Uteodon" aphanoecetes CM 11337 in left lateral view; East end of Carnegie Quarry at Dinosaur National Monument, Uintah County, Utah (USA), Morrison Formation (Kimmeridgian–Tithonian). E. Camptosaurus dispar (unnumbered specimen) in left lateral view; Bone Cabin Quarry, Wyoming USA), Morrison Formation (Kimmeridgian–Tithonian). F. "Cumnoria" prestwichii OUM. J.3303 in lateral view; Oxford, UK, Kimmeridge Clay Formation (Kimmeridgian–Tithonian). G. Hippodraco scutodens UMNH VP 20208 in left lateral view; Andrew's Site, Grand County, Utah; Upper Yellow Cat Memberof the Cedar Mountain Formation (upper Barremian–lowermost Aptian). H. Iguanacolossus fortis UMNH VP 20205 in right lateral view; Don's Ridge, Grand County, Utah, Lower Yellow Cat Member, Cedar Mountain Formation (?lower Barremian). I. Mantellisaurus atherfieldensis IRSNB 1551 in left lateral view; Isle of Wight, Wessex Formation (Barremian). J. Barilium dawsoni NHMUK R798 in left lateral view; Shornden, East Sussex, UK, Wadhurst Clay Formation (Valanginian). K. Hypselospinus fittoni NHMUK R604 in lateral view; Shornden Quarry, Hastings, UK, Wadhurst Clay Formation (Valanginian). L. Iguanodon bernissartensis IRSNB "Individu S" in left lateral view; Bernissart, Belgium, Sainte Barbe Clays Formation Barremian). Abbreviations: dia, diapophysis; par, parapophysis. Scale bars 100 mm. Re-drawn from: C, Escaso 2014: fig. 6.5; D, Carpenter and Wilson 2008: fig. 11; E, Carpenter and Galton 2018: fig. 22D; F, Galton and Powell 1980: fig. 4; G, McDonald 2010b: fig. 27; H, McDonald 2010b: fig. 10;, Norman 1980: fig. 37; J, Norman 2011: fig. 4; K, Norman 2015: fig. 22; L, Norman 1980: fig. 31).

Fig. 3 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 3. Axial skeleton elements of Dryosauridae indet. (A, B) from the Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian compared with of Dryosaurus altus (C), Camptosaurus ("Uteodon") aphanoecetes (D), and Mantellisaurus atherfieldensis (E). Dorsal vertebrae: ML 2321a (A) and ML 2321b (B), in dorsal (A1, B1), anterior (A2, B2), lateral (A3, A6, B3, B6), posterior (A4, B4), and ventral (A5, B5) views. Dorsal neural arches: YPM 1876 (C), CM 11337 (D), IRSNB 1551 (E), in dorsal view.

Fig. 2 in New information on ornithopod dinosaurs from the Late Jurassic of Portugal

Fig. 2. Cranial material of Dryosauridae indet. from the Lourinhã municipality, Portugal, Lourinhã Formation, Kimmeridgian–Tithonian. A. ML 1851, parietal in dorsal (A1, A3) and ventral (A2, A4) views. B. ML 768, dentary in lateral (B1), dashed frame indicates area with foramina, dorsal (B2), medial (B3) and ventral (B4) views, detail of dentary tooth (B5).