Find research datasets worth reusing

Fig. 1 in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 1 PCA biplot for absolute morphometric descriptor values (scaling 1). Clustering results are overlaid and represented by grey lines. Colour/shapes represent a priori grouping to species level

Fig. 2 in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 2 PCA biplot for ratios of morphometric descriptor values (scaling 1). Clustering results are overlaid and represented by grey lines. Colour/shapes represent a priori grouping to species level

Fig. 9 Cenoceras rumelangense n in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 9 Cenoceras rumelangense n.sp., paratype (specimen SMNS 62245), Ostreenkalk Formation, Humphriesianum Zone, Gruibingen, Southwest Germany

Fig. 6 Cenoceras rumelangense n in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 6 Cenoceras rumelangense n.sp., paratype (specimen MNHNL BM383),'Marnes sableuses d'Audun-le-Tiche', Humphriesianum Zone, Rumelange, Luxembourg

Fig. 7 Cenoceras rumelangense n in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 7 Cenoceras rumelangense n.sp., paratype, inner whorl of a bigger specimen (specimen MNHNL BM783),'Marnes sableuses d'Audun-le-Tiche', Humphriesianum Zone, Berenskaul, Rumelange, Luxembourg

Fig. 4 in A new giant nautilid species from the Middle Jurassic of Luxembourg and Southwest Germany

Fig. 4 'Nautilus intermedius Sowerby', from the d'Orbigny collection (specimen MNHN-F-A02204); Toarcian of Avallon (photo: courtesy of Muséum national d'histoire naturelle, Paris)

Fig. 10 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 10. Comparative dimensional proportions of various species of Oecoptychius Neumayr, 1878. Shaded areas display the range of variation in dimensional proportions.

Fig. 8 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 8. Strigoceratid ammonoid Oecoptychius refractus (Reinecke, 1818) m], SMNS 63457/1, from Ornatenton Formation, Kosmoceras jason Zone, Neidlingen, SW Germany, middle Callovian, Middle Jurassic. Note the strigations, a character noted only in well-preserved specimens and reminiscent of species attributed to Phlycticeras polygonium (Zieten, 1831) var. waageni [M] and considered herein to represent macroconch of O. refractus Reinecke, 1818).

Fig. 6 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 6. Strigoceratid ammonoid Oecoptychius refractus (Reinecke, 1818) [m] from Ogrodzieniec quarry, Quenstedtoceras lamberti Zone, upper Callovian. A. GIUS 8-3657/12 in lateral (A1), dorsal (A2), and dorsal (A3, note the ribbing pattern) views. B. GIUS 8-3657/5 in lateral (B1) and ventral (B2, B3, note the ribbing pattern) views. C. GIUS 8-3657/3 11 in lateral (C1), opposite lateral (C2), and ventral (C3) views. D. GIUS 8-3657/4 in lateral (D1), opposite lateral (D2), and ventral (D3, D4, note the ribbing pattern) views.

Fig. 5 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 5. Strigoceratid ammonoid Oecoptychius refractus (Reinecke, 1818) [m] from Ogrodzieniec quarry, Quenstedtoceras lamberti Zone, upper Callovian. A. GIUS 8-3657/9 in lateral (A1), dorsal (A2), ventral (A3), and dorsal (A4, note the ribbing pattern) views. B. GIUS 8-3657/10 in ventral view. C. GIUS 8-3657/11 in lateral (C1), opposite lateral (C2), ventral (C3), and dorsal (C4) views. D. GIUS 8-3657/2 in lateral (D1), opposite lateral (D2), ventral (D3), and dorsal (D4) views.

Fig. 4 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 4. Strigoceratid ammonoid Oecoptychius refractus (Reinecke, 1818) [m] from Ogrodzieniec quarry, Quenstedtoceras lamberti Zone, upper Callovian. A. GIUS 8-3657/1 in lateral (A1), opposite lateral (A2), ventral (A3), and dorsal (A4) views. B. GIUS 8-3657/6 in lateral (B1) and ventral (B2) views. C. GIUS 8-3657/7 in lateral view (C1), detail showing the smooth umbilical region (C2), opposite lateral (C3) and dorsal (C4) views. D. GIUS 8-3657/8 in lateral (D1), opposite lateral (D2), ventral (D3), and dorsal (D4) views.

Fig. 2 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 2. Lithostratigraphy and biostratigraphy at the Ogrodzieniec quarry (modified after Dembicz et al. 2006). Arrow shows the occurrence of Oecoptychius refractus (Reinecke, 1818) within the general stratigraphy of the Ogrodzieniec quarry. Bed numbers (1, 1a, 2, 3, 18, and 37) after Dembicz et al. (2006).

Fig. 9 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 9. Dimensional proportions of Oecoptychius refractus (Reinecke, 1818) [m]. The French and Polish specimens are compared with a reference point of the lectotype. A. Whorl height vs. shell diameter. B. Whorl thickness vs. shell diameter. C. Umbilicus vs. shell diameter. D. Whorl thickness vs. coiling ratio. For all given dimensional proportions, the French and Polish specimens form different groups.

Fig. 1. Geological map and the abandoned Ogrodzieniec quarry. A in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 1. Geological map and the abandoned Ogrodzieniec quarry. A. Map showing the studied localities in Poland, western France, and Kachchh (western India). B. Map of France showing the position of St.-Laon and Montreuil-Bellay. C. Map of India showing the position of Kachchh. D. Map of Poland showing the the position of Ogrodzieniec. E. Detailed location of Ogrodzieniec quarry (modified after Jain and Mazur 2021). F. Geological map of the Polish Jura Chain showing the location of the studied Ogrodzieniec quarry. G. Aerial view of the Ogrodzieniec quarry; arrow marks the location of the studied section. H. Exposure of the studied section.

Fig. 3 in Morphological variations and geographic distribution of the rare Middle Jurassic ammonite Oecoptychius refractus

Fig. 3. Biostratigraphy of the studied section. A. Geological column, correlation of studied beds with these of Głowniak (2012) and the occurrence of specimens noted in the present study (modified after Jain and Salamon 2023). B. Field photo of the condensed bed where the studied specimens of Oecoptychius refractus (Reinecke, 1818) [m] were recorded. C. Close-up of the block with Quenstedtoceras lamberti (Q) and Hibolithes hastatus (H).

Fig. 5 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 5. Serpulid polychaetes from the Jurassic of Poland. A–C. Cementula spirolinites (Münster in Goldfuss, 1831), specimen encrusting: sponge fragment from the Oxfordian of Zalas (A, GIUS 8-3746/4; B, GIUS 8-3746/5; C, GIUS 8-3746/6). D. Cementula radwanskae sp. nov., holotype (GIUS 8-3589/7, arrow) encrusting a shell fragment from the Callovian of Zalas; partially encrusting another C. radwanskae, sabellid Glomerula gordialis (Schlotheim, 1820) (white arrowhead), and serpulid Metavermilia cf. striatissima (Fürsich, Palmer, and Goodyear, 1994) (black arrowhead). E–G. Cementula radwanskae sp. nov. encrusting shell fragments from the Callovian of Zalas (E, paratype, GIUS 8-3589/8; F, paratype, GIUS 8-3589/9; G, GIUS 8-3589/10).

Fig. 15 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 15. Representative hard substrates colonized by the Middle and Upper Jurassic tube-dwelling polychaetes from the Polish Basin. A. Upper Bathonian hiatus concretion from Ogrodzieniec; sabellid Glomerula gordialis (Schlotheim, 1820) (GIUS 8-3751), indicated by arrows. B. Bajocian–Bathonian oncoid from Ogrodzieniec-Świertowiec; the entire oncoid is intensively encrusted by serpulids and sabellids (GIUS 8-3750). C. Callovian bivalve Ctenostreon proboscideum (Sowerby, 1820) from hardground of Zalas; black arrow indicates sabellid Glomerula gordialis, white arrow indicates juvenile serpulid Propomatoceros lumbricalis (GIUS 8-3589). D. Lower Kimmeridgian oyster from oyster shell beds of Małogoszcz; an arrow indicates sabellid Glomerula gordialis (Schlotheim, 1820) (GIUS 8-3747). E. Middle Bathonian oyster from soft muddy substrates of Gnaszyn Dolny; serpulid Propomatoceros lumbricalis (Schlotheim, 1820) is exemplified by arrows (black and white). White arrows point the specimens infested by the hydroid Protulophila gestroi (Rovereto, 1901) (GIUS 8-3730). F. Oxfordian sponge from Zalas; an arrow indicates serpulid Filogranula spongiophila sp. nov. (GIUS 8-3746). Scale bars 10 mm.

Fig. 11 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 11. Serpulid polychaetes from the Jurassic of Poland. A. Placostegus planorbiformis (Münster in Goldfuss, 1831) encrusting a sponge fragment from the Oxfordian of Zalas (GIUS 8-3746/8). B. Pseudovermilia sp. encrusting a rock fragment from the Callovian of Zalas (GIUS 8-3589/15). Scale bars 1 mm.

Fig. 4 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 4. Serpulid polychaetes from the Jurassic of Poland. A. Metavermilia? sp. encrusting a belemnite rostrum from the middle Bathonian of Gnaszyn Dolny (GIUS 8-3730/9). B–E. Filogranula runcinata (Sowerby, 1829), specimens encrusting: an oncoid from the upper Bajocian–lower Bathonian of Ogrodzieniec-Świertowiec (B, GIUS 8-3750/3); a hiatus concretion from the upper Bajocian of Mokrsko (C, GIUS 8-3751/4); shell fragments from the middle Bathonian of Gnaszyn Dolny (D, GIUS 8-3730/10), the Callovian of Zalas (E, GIUS 8-3589/6). F, G. Filogranula spongiophila sp. nov. encrusting sponge fragments from the Oxfordian of Zalas (F, holotype, GIUS 8-3746/2; G, paratype, GIUS 8-3746/3). Scale bars 1 mm.

Fig. 1 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 1. Palaeogeography and geology of the investigated area. A. Paleogeographical sketch-map of Europe during the Middle Jurassic (from Leonowicz 2016, modified after Ziegler 1990). AM, Armorican Massif; BM, Bohemian Massif; CEBS, Central European Basin System; CNSD, Central North Sea Dome; IBM, Iberian Meseta,; IM, Irish Massif; LBM, London-Brabant Massif; MCA, Meta-Carpathian Arc; RHB, Rockall-Hatton Bank; UH, Ukrainian High. B. Geological sketch-map of Poland without the Cenozoic cover with three sampled localities indicated. HCM, Holy Cross Mountains; PJ, Polish Jura; 1, Bolęcin; 2, Zalas; 3, Małogoszcz. C. Geological map of the Polish Jura area without Quaternary cover, with sampled localities indicated (after Zatoń and Taylor 2009b).