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30 results for “Lutetian”
FIG. 2 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
FIG. 2. — The section of La Ferme de l'Orme (Beynes, Yvelines, France) from Merle & Courville (2008). The material of Crassimurex (s. s.) calcitrapa (Lamarck, 1803) collected for this study comes exclusively from the unit 6.
FIG. 5 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
FIG. 5. — Growth of the sculpture of Crassimurex (s. s.) calcitrapa (Lamarck, 1803) with the appearance of spiral cords and cord spines: A, MNHN.F.A91206 (Goldstein leg), spm of three teleoconch whorls; B, MNHN.F.A91209 (Goldstein leg), spm of four teleoconch whorls; C, MNHN.F.A91216 (Goldstein leg), spm of five teleoconch whorls; D, MNHN.F.A31217 (Goldstein leg), spm of?seven teleoconch whorls with spm A of the same relative size for comparison. Scale bars: 1 mm. Credits: L. Cazes. The identification of the spiral cords adopts the terminology suggested by Merle (2001, 2005).
FIG. 1 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
FIG. 1. — Geographical location of La Ferme de l'Orme (Beynes, Yvelines, France). The locality (in red font) is indicated on the map of the extension of the Lutetian sediments (modified from de Wever & Cornée 2008).
FIG. 7 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
FIG. 7. — Drilled versus non-drilled Crassimurex (s. s.) calcitrapa (Lamarck, 1803) shells in three size classes. Size classes (shell lenght): I, 0-9 mm; II, 10-19 mm; III, 19-32 mm.
FIG. 4 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
FIG. 4. — Different paleobiological aspects of C. (s.s.) calcitrapa (Lamarck, 1803) at La Ferme de l'Orme (unit 6): A-C, feeding (drill holes) on cerithioids: A, Serratocerithium denticulatum (Lamarck, 1804), D. Goldstein coll.; B, Vicinocerithium calcitrapoides (Lamarck, 1804), D. Goldstein coll.; C, same species, detailed view of a drill hole, D. Goldstein coll.; D, MNHN.F.A91215 (Goldstein leg), specimen peeled by a crab. Scale bars: A, D, 5 mm; B, 10 mm; C, 1 mm. Credits: D. Goldstein.
Supplementary Information: The Late Lutetian Thermal Maximum: first record of the deep-sea benthic foraminiferal response in the Tasman Sea (IODP Site U1508)
<div> <div> <div> <div> <div> <div> <div> <div> <p>Here, we provide supplementary information including inorganic and organic geochemistry data, magnetostratigraphy data, foraminifera data, and the age model derived from sediment samples taken from IODP Hole U1508C.</p> </div> </div> </div> </div> <p>At this IODP Hole, from the Tasman Sea, we have documented the Late Lutetian Thermal Maximum (LLTM), a brief warming event in the middle Eocene (41.52 Ma). This is the first record of deep-sea benthic foraminifera changes during the LLTM in the SW Pacific. The event coincides with negative δ13C excursions in bulk sediment (0.47‰) and benthic foraminifera (0.36‰), as well as shifts in foraminiferal species and organic geochemistry. Reduced diversity in benthic foraminiferal assemblages during the event indicates environmental stress, likely due to low oxygen conditions, as suggested by dysoxic taxa. Despite the dominance of calcareous taxa, corrosion-resistant species point to slightly CaCO3-corrosive waters without evident dissolution. We infer a shallower thermocline and increased stratification during the LLTM.</p> <div> <div> <div> <div> </div> </div> </div> </div> <div> <div> </div> </div> </div> </div> </div> </div> <div> <div> <div> <p> </p> </div> </div> </div>
TABLE 1 in First evidence of cannibalism in Crassimurex (s. s.) calcitrapa (Lamarck, 1803) (Gastropoda, Muricidae) from the Lutetian of the Paris Basin (France)
<p>TABLE 1. — Characteristics of the specimens of <i>C.</i> (<i>s. s.</i>) <i>calcitrapa</i> (Lamarck, 1803) bearing drill holes. The star (<b>*</b>) indicates the specimens bearing two drill holes.</p><table><thead><tr><th>Specimens number</th><th>Specimen lenght mm</th><th>Number of teleoconch whorls</th><th>Drilled whorl</th><th>Diameter of hole (in mm)</th><th>Complete or not</th><th>Location of the hole</th><th>Comment on the location of the holes</th></tr></thead><tbody><tr><th>MNHN.F.A91214</th><td>19.38</td><td>5 incomplete</td><td>Fifth</td><td>1.20</td><td>No</td><td>Abapertural side</td><td>On the shoulder, near the suture</td></tr><tr><th>MNHN.F.A91213</th><td>18.47</td><td>5 incomplete</td><td>Fifth</td><td>1.05</td><td>No</td><td>Apertural side</td><td>On the varix</td></tr><tr><th>MNHN.F.A91212</th><td>12.87*</td><td>4 incomplete</td><td>Third</td><td>0.8</td><td>Yes</td><td>Abapertural side</td><td>In an intervarice</td></tr><tr><th>MNHN.F.A91212</th><td>12.87*</td><td>4 incomplete</td><td>Fourth</td><td>0.6</td><td>No</td><td>Abapertural side</td><td>On the shoulder, in an intervarice</td></tr><tr><th>MNHN.F.A91211</th><td>10.69*</td><td>4 incomplete</td><td>Fourth</td><td>0.95</td><td>Yes</td><td>Abapertural side</td><td>On the shoulder, in an intervarice</td></tr><tr><th>MNHN.F.A91211</th><td>10.69*</td><td>4 incomplete</td><td>Third</td><td>1.00</td><td>No</td><td>Adapertural side</td><td>On the top of the whorl, in an intervarice</td></tr><tr><th>MNHN.F.A91210</th><td>7.06</td><td>3 incomplete</td><td>1-2th (suture)</td><td>1.20</td><td>Yes</td><td>Adapertural side</td><td>On the suture, in an intervarice, single hole with two opening</td></tr><tr><th>MNHN.F.A91209</th><td>4.45*</td><td>5</td><td>Fourth</td><td>0.4</td><td>Yes</td><td>Abapertural side</td><td>On the top of the whorl, in an intervarice</td></tr><tr><th>MNHN.F.A91209</th><td>4.45*</td><td>5</td><td>Third</td><td>0.25</td><td>Yes</td><td>Abapertural side</td><td>On the suture, in an intervarice</td></tr><tr><th>MNHN.F.A91208</th><td>4.37</td><td>3.5</td><td>1.5th</td><td>0.10</td><td>Yes</td><td>Abapertural side</td><td>On the shoulder, in an intervarice</td></tr><tr><th>MNHN.F.A91207</th><td>3.15</td><td>3.5</td><td>Third</td><td>0.35</td><td>Yes</td><td>Abapertural side</td><td>On the top of the whorl, in an intervarice</td></tr><tr><th>MNHN.F.A91206</th><td>3.43</td><td>3</td><td>2-3th (suture)</td><td>0.10</td><td>Yes</td><td>Abapertural side</td><td>Near the shoulder, in an intervarice, single hole with two openings</td></tr><tr><th>MNHN.F.A91205</th><td>3.30</td><td>3.25</td><td>Third</td><td>0.50</td><td>Yes</td><td>Abapertural side</td><td>On the centre of the whorl, in an intervarice</td></tr><tr><th>MNHN.F.A91204</th><td>3.95</td><td>1.5</td><td>Second</td><td>0.85</td><td>Yes</td><td>Abapertural side</td><td>On the top of the whorl, in an intervarice, large hole</td></tr><tr><th>MNHN.F.A91203</th><td>3.25</td><td>2.5</td><td>Beginning of the first</td><td>0.60</td><td>Yes</td><td>Adapertural side</td><td>On the centre of the whorl, in an intervarice</td></tr><tr><th>MNHN.F.A91202</th><td>3.10</td><td>2.5</td><td>Protoconch/ first (suture)</td><td>0.70</td><td>Yes</td><td>Abapertural side</td><td>In an intervarice, single hole with two openings</td></tr><tr><th>MNHN.F.A91201</th><td>2.50</td><td>1.5</td><td>First</td><td>0.40</td><td>Yes</td><td>Apertural side</td><td>In an intervarice</td></tr></tbody></table>
Data from: New fossil Hyaenodonta (Mammalia, Placentalia) from the Ypresian and Lutetian of France and the evolution of the Proviverrinae in southern Europe
The proviverrines from the Ypresian (MP7–MP10) and Lutetian (MP11–MP14) are represented mainly by species recorded in the northern and central parts of Europe (Paris Basin, Belgian Basin, Germany, Switzerland). Here, we describe fossils from southern France: Saint-Papoul (MP8 + 9; Aude) and Aigues-Vives 2 (?MP13; Aude). One dentary with secant molars from Saint-Papoul represents a new genus and species, Preregidens langebadrae. This taxon is possibly present in Avenay (France), the MP8 + 9 reference locality. One of the three dentaries discovered in Aigues-Vives 2 belongs to the hypercarnivorous Oxyaenoides schlosseri, previously represented by only two isolated lower molars. This dentary appears to be the most derived of the proviverrines. This species is possibly present in Saint-Martin-de-Londres (France), a locality that is considered to be close to the MP13 reference level. The two other dentaries from Aigues-Vives 2 support the presence of Eurotherium theriodis and provide the first possible evidence of sexual dimorphism in a proviverrine species. A phylogenetic analysis of the proviverrines is performed to resolve the phylogenetic position of the three taxa. This identifies a close relationship between the new genus (Preregidens) and Oxyaenoides. The new fossils allow the age of Saint-Papoul and Aigues-Vives 2 to be refined: the first locality is considered to be close in age to Avenay (Ypresian; France), while the second one seems to be close to Egerkingen γ (Lutetian; Switzerland), which is considered to be possibly close in age to the MP13 reference level. Finally, the presence of O. schlosseri and E. theriodis in the southern part of France is compatible with the hypothesis that the mammals involved in the first intra-Eocene turnover migrated northwards.
Data from: New fossil Hyaenodonta (Mammalia, Placentalia) from the Ypresian and Lutetian of France and the evolution of the Proviverrinae in southern Europe
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Data from: Filling a gap in the proboscidean fossil record: a new genus from the Lutetian of Senegal
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