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1,036 results for “Late Miocene”
Data For "Impact of dust and temperature on primary productivity in Late Miocene oceans"
<p><span>Impact of dust and temperature on primary productivity in Late Miocene oceans</span></p> <p><span> </span></p> <p><span>This dataset contains marine biogeochemical outputs (NetCDF files) from modeling experiments with realistic late Miocene paleogeography, different CO2 levels and dust concentrations. The simulations focus on the evolution of primary productivity in response to aridification and global cooling. The simulations were carried out using the IPSL-CM5A2 general circulation model (Sepulchre et al. 2020 - IPSL-CM5A2 - an Earth system model designed for multimillennial climate simulations, GMD) and the PISCES-v2 biogeochemistry model (Aumont et al. 2015). It includes four simulations: Mio300Dust (300 ppm, dust concentration equal to pre-industrial level), Mio420Dust2 (420 ppm, dust concentration equal to pre-industrial level divided by 2), Mio420Dust10 (420 ppm, dust concentration equal to pre-industrial level divided by 10) and Mio420NoDust (420 ppm, dust concentration equal to pre-industrial level divided by 1000). The data are monthly averages over the last 100 years of the simulations. </span></p> <p><span> </span></p> <p><span>Contact: quentin.pillot@gmail.com</span></p> <p><span> </span></p> <p><span>Experiments , see Pillot et al. (2024), Methods ans supplementary Informations for details.</span></p> <p><span> </span></p> <p><span>INTPP : Vertically integrated primary production by phyto (mol/m2/s)</span></p> <p><span>EPC100 : Export of carbon particles at 100 m (mol/m2/s)</span></p> <p><span>LNlight : Light limitation term in Nanophyto (between 0 and 1)</span></p> <p><span>LNnut : Nutrient limitation term in Nanophyto (between 0 and 1)</span></p> <p><span>PPPHY : Primary production of nanophyto (mol/m3/s)</span></p> <p><span>PPPHY2 : Primary production of diatoms (mol/m3/s)</span></p> <p><span>Ndep : Nitrogen deposition from dust (mol/m2/s)</span></p> <p><span>Pdep : Phosphorus deposition from dust (mol/m2/s)</span></p> <p><span>Sidep : Silice deposition from dust (mol/m2/s)</span></p> <p><span>Irondep : Iron deposition from dust (mol/m2/s)</span></p> <p><span> </span></p> <p><span>Keywords: Late Miocene, marine primary productivity, aridification, dust, CO2, cooling, oceans, modelling, IPSL-CM5A2, PISCES-v2</span></p>
Supplementary Tables for "Cormohipparion cappadocium, a new species from the Late Miocene of Yeniyaylacık, Türkiye, and the emergence of Western Eurasian Hipparion bioprovinciality"
<p>Supplemetary Tables for the paper:</p> <p><em>Cormohipparion cappadocium</em>, a new species from the Late Miocene of Yeniyaylacık, Türkiye, and the emergence of Western Eurasian Hipparion bioprovinciality<em> </em></p> <p>Raymond Louis Bernor, Majid Mirzaie Ataabadi, Oksan Basoglu, Omar Cirilli, Ferhat Kaya, Cesur Pehlevan, Mansoureh Niknahad, Mohammad Reza Vaziri, Ahmad Lotfabad Arab</p> <p>Supplementary Table 1: Measurements for Yeniyaylacık <em>Cormohipparion cappadocium, </em>Sinap <em>Cormohipparion sinapensis</em> and <em>Cormohipparion kecigibi</em>, Maragheh <em>Hipparion gettyi </em>and <em>Hipparion </em>aff. <em>gettyi.</em></p> <p>Supplementary Table 2: Character State Analysis of Yeniyaylacık <em>Cormohipparion cappadocium </em>compared to <em>Hippotherium, Hipparion </em>and other <em>Cormohipparion </em>species.</p> <p>Supplementary Table 3: Variance components and loadings’ distribution for Principal Component Analyses on crania, third metacarpals and third metatarsals discussed in the text.</p>
The Late Miocene Plesiosoricidae and Soricidae (Eulipotyphla, Mammalia) from the Pannonian region, Slovakia
<p>Soricidae is the most species-rich eulipotyphlan family since the Pliocene. Numerous Late Miocene soricids and plesiosoricids are well-known from southern Europe. Localities from central Europe, despite being rare, have historically yielded better-preserved material that reveals a great diversity. We here add to this existing record with the description of eight species from MN9-MN12-aged localities of Slovakia (<em>Paenelimnoecus repenningi</em>, <em>Paenesorex bicuspis</em>, <em>Isterlestes aenigmaticus </em>nov. gen. nov. sp., <em>Crusafontina endemica</em>, <em>Crusafontina kormosi</em>, <em>Amblycoptus jessiae</em>,<em> Asoriculus gibberodon</em>, <em>Petenyia dubia</em>), alongside one species of Plesiosoricidae (<em>Plesiosorex evolutus</em>). The early occurrence of <em>A. gibberodon</em> and <em>A.</em> <em>jessiae</em>, the occurrence of <em>Paenesorex, </em>and the identification of <em>Isterlestes aenigmaticus </em>nov. gen. nov. sp. reinforce the hypothesis that the Pannonian region (south-eastern central Europe) was a source area for several soricid taxa (Allosoricinae, Anourosoricini, Soricini) during the Late Miocene.</p>
FIG. 1 in Naja romani (Hoffstetter, 1939) (Serpentes: Elapidae) from the late Miocene of the Northern Caucasus: the last East European large cobra
FIG. 1. — Location of the Solnechnodolsk locality.
Fig. 1 in Bony Fishes From The Late Miocene And Pliocene Strata Of Popovo Locality (Ukraine): Taxonomic Changes And Their Palaeoecological Explanation
Fig. 1. Location map of the Miocene and Pliocene multilayered Popovo locality.
Late Miocene to Pliocene calcareous nannofossil assemblage records and paleotemperature gradients from the NW Australian shelf (IODP Sites U1463, U1464)
<p>IODP Expedition 356 drilled on the northwestern (NW) Australian shelf, recovering Miocene-Pleistocene sediments in an area where climate archives are scarce. In this work we investigated cores from two sites that are situated in two adjacent basins (IODP Site U1463 and U1464). Our analysis includes astronomically tuned records of relative abundance (%) and accumulation rates (N/cm<sup>2</sup> kyr) of the most common calcareous nannofossil species, estimates of the Shannon diversity index, as well as a ratio between dominant taxonomic groups termed the nannofossil stratification index (NSI) . Additionally, paleotemperature gradients between the NW Australian shelf area and the eastern Indian Ocean were calculated from previously published records. All the above records were used to reconstruct regional ocean circulation patterns, the relative intensity of seasonally flowing boundary currents, as well as changes in paleoproductivity and species dominance in the area between 6-3.5 million years ago (Ma).</p>
Data from: Osteology of Crocodylus palaeindicus from the late Miocene–Pleistocene of South Asia and the phylogenetic relationships of crocodyloids
<p>Fossil crocodylian remains have been documented from India and other parts of South Asia since the mid-19th century, but specimens attributed to several extinct and extant species of Crocodylus have largely been neglected in modern taxonomic treatments. Here, we present a detailed anatomical description of the extinct species <em>Crocodylus palaeindicus</em>, which we restrict to the Late Miocene to early Middle Pleistocene of India. Using an autapomorphy-based approach to species-level identification, we regard Crocodylus sivalensis as a junior synonym of <em>C. palaeindicus</em>, and provide taxonomic reidentifications of all specimens previously referred to these two species. We present a new diagnosis for <em>C. palaeindicus</em> that facilitates its distinction from the extant mugger crocodile, <em>C. palustri</em>s, which does not unequivocally appear in the fossil record prior to the Pleistocene. The lack of clear spatiotemporal overlap, coupled with the otherwise lengthy ghost lineage implied by their sister taxon relationship in our phylogenetic analyses, provides tentative support that the extant species is either the descendant of <em>C. palaeindicus</em>, or originated via budding cladogenesis. An expanded phylogenetic analysis recovers the Late Miocene African <em>C. checchiai</em> and Pliocene South American <em>C. falconensis</em> as species within the Neotropical Crocodylus clade, supporting an African origin for this radiation. We also recover Kinyang, from the early–middle Miocene of Kenya, as a crocodyline, rather than an osteolaemine as originally described, and it is potentially the stratigraphically earliest known member of the Crocodylus lineage. Other notable results from our phylogenetic analyses suggest that crocodyloids might not have been present in North America prior to the late Neogene arrival of <em>Crocodylus</em>, with <em>Albertosuchus knudsenii</em>, <em>Prodiplocynodon langi</em>, and '<em>Crocodylus</em>' <em>affinis</em> all recovered outside of Crocodyloidea. Furthermore, we demonstrate that an alligatoroid placement for the recently erected latest Cretaceous–Paleogene East Asian clade Orientalosuchina is highly labile, with relationships at the 'base' of Crocodylia unstable.</p>
Fig. 3 RightM3 in First true mastodon from the Late Miocene of Iran
Fig. 3 RightM3 of "Mammut" cf. obliquelophus, Abkhareh, Varzeghan, Iran; lateral view
Fig. 4 M3 in First true mastodon from the Late Miocene of Iran
Fig. 4 M3 of "Mammut" cf. obliquelophus, Abkhareh, Varzeghan, Iran; medial view
Fig. 1 in Late-Miocene Moldavian Petrified Forest
Fig. 1 The geological map of Romania, with the petrified woods area marked by circle.
Fig. 1 in A new species of silverside from the Late Miocene of NW Iran
Fig. 1. Geographic overview of Iran. The studied section is near the city of Tabriz.
FIGURE 9 in New species of Deinogalerix (Mammalia, Eulipotyphla) from the late Miocene of Scontrone (Abruzzo, central Italy)
FIGURE 9. Left mandible (SCT 243), Deinogalerix sp. 1, lateral view; 2, dorsal view.
FIGURE 1 in New species of Deinogalerix (Mammalia, Eulipotyphla) from the late Miocene of Scontrone (Abruzzo, central Italy)
FIGURE 1. Location map of Scontrone and Gargano. From Mazza (2013a), modified.
FIGURE 3. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 3. Lower p3 enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
FIGURE 1. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 1. Lower p3 enamel ultrastructure; Prolagus aff. crusafonti from Popovo 3, cross-section.
FIGURE 10. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 10. Lower p3 enamel ultrastructure; Ochotona sp. from Lobkove, cross- section.
FIGURE 5 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 5. Upper incisor enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
FIGURE 4. Lower m2 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 4. Lower m2 enamel ultrastructure; Ochotona sp. from Popovo 3, cross-section.
Fig. 11 in Late Miocene large mammals from Yulafli, Thrace region, Turkey, and their biogeographic implications
Fig. 11. Plot of length versus distal articular width of Mc−III in some hipparions.
Fig. 6 in Late Miocene large mammals from Yulafli, Thrace region, Turkey, and their biogeographic implications
Fig. 6. Length versus width plot of Deinotherium M3s.
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Allen Brain Atlas
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