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821 results for “Middle Jurassic”

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Fig. 14 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 14. Dendrogram showing clustering of substrates sharing similar taxa of tube-dwelling polychaetes from the Polish Basin.

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Fig. 10 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 10. Serpulid and sabellid polychaetes from the Jurassic of Poland. A. Mucroserpula tricarinata (Sowerby, 1829) (white arrow) and sabellid Glomerula gordialis (black arrow) encrusting a fragment of a shell from the Callovian of Zalas (GIUS 8-3589/14). B. Mucroserpula? sp. encrusting a fragment of a shell from the middle Bathonian of Gnaszyn Dolny (GIUS 8-3730/26); top (B1) and cross-section view (B2). Notice the characteristic pentagonal cross-section (B2) due to the presence of three keels. Scale bars 1 mm.

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Fig. 13 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 13. Serpulid polychaetes from the Jurassic of Poland. A. Unattached Serpulidae sp. 2 from the middle Bathonian of Gnaszyn Dolny (GIUS 8-3730/27). B. Dense aggregation of closely spaced Serpulidae sp. 3 encrusting a fragment of a belemnite rostrum from the middle Bathonian of Gnaszyn Dolny GIUS 8-3730/28). C. Serpulidae sp. 4 from the lower Kimmeridgian of Małogoszcz (GIUS 8-3747/3).

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Fig. 6 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 6. Serpulid polychaetes from the Jurassic of Poland. A. Cementula cf. circinnalis (Münster in Goldfuss, 1831) encrusting an oncoid from the upper Bajocian–lower Bathonian of Ogrodzieniec-Świertowiec (GIUS 8-3750/4). B. "Serpula cingulata Münster in Goldfuss, 1831" encrusting a sponge fragment from the the Oxfordian of Zalas (GIUS 8-3746/7). C. Propomatoceros lumbricalis (Schlotheim, 1820) (arrowhead) and Cementula cf. circinnalis arrow) encrusting an oncoid from the upper Bajocian–lower Bathonian of Ogrodzieniec-Świertowiec (GIUS 8-3750/5). D–F. Propomatoceros lumbricalis, specimen encrusting: a piece of a belemnite rostrum from the middle Bathonian of Gnaszyn Dolny (D, GIUS 8-3730/11); an oyster shell from the middle Bathonian of Gnaszyn Dolny (E, GIUS 8-3730/12); a shell fragment from the Callovian of Zalas (F, GIUS 8-3589/11).

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Fig. 12 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 12. Serpulidae sp. 1 from the Jurassic of Poland. A. Serpulidae sp. 1 and a tiny Glomerula gordialis (Schlotheim, 1820) (arrowed) encrusting a shell fragment from the upper Bathonian–lower Callovian of Bolęcin (GIUS 8-3745/4); top (A1) and lateral (A2) view; A2 shows a flattened shape of the tube. B. Serpulidae sp. 1 and a tiny, presumably juvenile Filogranula runcinata (Sowerby, 1829) (above, arrowed) encrusting a shell fragment from the Callovian of Zalas (GIUS 8-3589/16). Scale bars 1 mm.

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Fig. 3 in A new genus of lance lacewings from the Middle Jurassic of Inner Mongolia, China

Fig. 3. Female lance lacewing Vetosmylus maculosus gen. et sp. nov. (paratype, CNU−NEU−NN2019003P/C) from Aalenian–Bajocian boundary (Middle Jurassic) of Jiulongshan Formation of Daohugou, China (A) and extant Parosmylus tibetanus Yang, 1988 (B). A. Photographs of part part (A1) and counterpart (A2); terminalia in lateral view, a combination of photos of part and counterpart under dry condition (A3) and line drawing (A4), sternite 8 and gonapophysis 9 cannot be clearly observed. B. Line drawing of terminalia in lateral view.

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Fig. 1 in A new genus of lance lacewings from the Middle Jurassic of Inner Mongolia, China

Fig. 1. Lance lacewing Vetosmylus tentus gen. et sp. nov. (holotype, CNU−NEU−NN2019001P/C) from Aalenian–Bajocian boundary (Middle Jurassic) of Jiulongshan Formation of Daohugou, China. Photographs of part (A1) and counterpart (A2). Line drawings of left forewing (A3), right forewing (A4), left hind wing (A5). Abbreviations: A, anal veins; CuA/P, anterior/posterior cubitus; MA/P, anterior/posterior branch of media; RA/P, anterior/posterior branch of radius; Sc, subcosta.

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Fig. 2 in A new genus of lance lacewings from the Middle Jurassic of Inner Mongolia, China

Fig. 2. Lance lacewing Vetosmylus maculosus gen. et sp. nov. (holotype, CNU−NEU−NN2019002P/C) from Aalenian–Bajocian boundary (Middle Jurassic) of Jiulongshan Formation of Daohugou, China. Photographs of part (A1) and counterpart (A2). Line drawings of forewing (A3), hind wing (A4). Abbreviations: A, anal veins; CuA/P, anterior/posterior cubitus; MA/P, anterior/posterior branch of media; RA/P, anterior/posterior branch of radius; Sc, subcosta.

opencc-by-4.0Mar 2020View details →
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Fig. 1. A in New diplodocoid sauropod dinosaur material from the Middle Jurassic of European Russia

Fig. 1. A. Geographic location of the Peski locality (star). B. Map of eastern Europe with position of the studied area. C. Stratigraphic column of the Peski Quarry with position of sauropod vertebrae indicated (based on Alekseev et al. 2001 and Tesakova 2003). Abbreviation: Q., Quenstedtoceras.

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Fig. 3 in New diplodocoid sauropod dinosaur material from the Middle Jurassic of European Russia

Fig. 3. Diplodocoidea indet. (MCEBC 1100300/215) from Peski, Moscow Province, Russia, Podosinki Formation, Callovian (Middle Jurassic); anterior caudal vertebra, in posterior (A1, B1), anterior (A2, B2), left lateral (A3, B3), right lateral (A4, B4), dorsal (A5, B5), and ventral (A6, B6) views. Photographs A) and interpretative drawings (B). Dark grey, broken area; lighter grey, eroded surface, the lightest grey, matrix. Scale bars 50 mm.

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Fig. 2 in New diplodocoid sauropod dinosaur material from the Middle Jurassic of European Russia

Fig. 2. Diplodocoidea indet. (MCEBC 1100300/216) from Peski, Moscow Province, Russia, Podosinki Formation, Callovian (Middle Jurassic); anterior (likely first) caudal vertebra in posterior (A1, B1), anterior (A2, B2), left lateral (A3, B3), right lateral (A4, B4), dorsal (A5, B5), and ventral (A6, B6) views. Photographs (A) and interpretative drawings (B). Dark grey, broken area; lighter grey, eroded surface, the latest lightest grey, matrix. Scale bars 50 mm.

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FIGURE 1 in Bajoprosopon piardi n. gen. and sp. from the Middle Jurassic of France, with a revised diagnosis of the family Prosopidae von Meyer, 1860 (Brachyura, Podotremata) and notes on the availability of names introduced by Hermann von Meyer (1835, 1857)

FIGURE 1. Map showing the environs of Caen and Bayeux (northwest France) and the type locality, Les Fours à Chaux (asterisk), of Bajoprosopon piardi n. gen. and sp. The simplified log (right) illustrates the lithology, lithostratigraphical nomenclature and chronostratigraphy (after Pavia et al., 2015).

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FIGURE 4 in Bajoprosopon piardi n. gen. and sp. from the Middle Jurassic of France, with a revised diagnosis of the family Prosopidae von Meyer, 1860 (Brachyura, Podotremata) and notes on the availability of names introduced by Hermann von Meyer (1835, 1857)

FIGURE 4. Holotype of Bajoprosopon piardi n. gen. and sp. (MAB k.3764) from the upper Bajocian 'Oolithe ferrugineuse de Bayeux' Formation (upper garantiana ammonite Zone, dichotoma ammonite Subzone) at the 'Les Fours à Chaux' outcrop between Croisilles and Les Moutiers-en-Cinglais (Calvados, France; Figure 1). A, dorsal view of carapace. B, frontal view of carapace. C, left lateral view of carapace. Scale bar equals 5 mm.

opencc-by-4.0Dec 2021View details →
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FIGURE 23. Palissya batrumi 1. Specimen showing external morphology, LX721 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 23. Palissya batrumi 1. Specimen showing external morphology, LX721, Little Beach (Note adjacent Pityophyllum); 2. Specimen with apical part split longitudinally, revealing the axis, LX1096, Curio Bay.; 3. Specimen weathered to reveal the adaxial surface with paired ovule/scale units, LX2238, Otara-20. All scale bars equal 10 mm.

opencc-by-4.0Dec 2019View details →
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FIGURE 6. Sphenopteris travisii. 1. LX2067 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 6. Sphenopteris travisii. 1. LX2067, Slope-03; 2. LX1180, Blue Cod Bay; 3. LX665 Blue Cod Bay. All scale bars equal 10 mm.

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FIGURE 22. Araucarites cutchensis 1 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 22. Araucarites cutchensis 1. Ovulate scale (LX2364); 2. Counterpart of previous (LX2364); 3. Two cone scales (LX2367). All Little-02, scale bars equal 10 mm.

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FIGURE 13. Pachydermophyllum austropapillosum 1. LX659 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 13. Pachydermophyllum austropapillosum 1. LX659, The Chasm; 2. LX1014, Little-03; 3. LX658, The Chasm. All scale bars equal 10 mm.

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FIGURE 2. Representative Catlins Coast fossil locality photographs. 1 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 2. Representative Catlins Coast fossil locality photographs. 1. The Chasm. Fossils are from loose blocks at the base of the cliffs. 2. Little Beach. Note tree trunk to left of rock hammer, associated with soil (arrowed) 3. Boat Harbour. Approximate location of fossil site arrowed. 4. Otara Beach. Note tree stump (arrowed).

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FIGURE 5. Coniopteris murrayana. 1 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 5. Coniopteris murrayana. 1. Fragment of fertile secondary pinna, LX2066, Slope-03 (scale bar equals 10 mm); 2. Detail of fertile pinnules, LX2066, Slope-03 (scale bar equals 10 mm).

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FIGURE 10 in Middle-Late Jurassic plant assemblages of the Catlins coast, New Zealand

FIGURE 10. Pseudoctenis? ensiformis 1. LX1204; 2. LX1212; 3. LX1206; 4. LX1214. All Haldane-Curio Bay Road, scale bars equal 10 mm.

opencc-by-4.0Dec 2019View details →

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