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Famennian rhynchonellides (Brachiopoda) from deep-water facies of the Ougarta Basin (Saoura Valley, Algeria)
In the Saoura Valley (Ougarta Basin, Saharan Algeria), the lower-upper Famennian part of the essentially shally Marhouma Formation is characterized by deep-water facies and includes horizons rich in ammonoids (goniatites and clymeniids) and blind to eye-reduced phacopide trilobites. They are also ri...
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Published in: | Geological magazine 2015-11, Vol.152 (6), p.1009-1024 |
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description | In the Saoura Valley (Ougarta Basin, Saharan Algeria), the lower-upper Famennian part of the essentially shally Marhouma Formation is characterized by deep-water facies and includes horizons rich in ammonoids (goniatites and clymeniids) and blind to eye-reduced phacopide trilobites. They are also rich in small-sized and smooth rhynchonellide brachiopods, investigated here for the first time in order to detail their post-Kellwasser recovery. Rhynchonellides clearly predominate in the brachiopod assemblages (representing 90% of the whole assemblage, with 10 species) composed otherwise of athyridides, orthides and spiriferides. Rhynchonellides are mostly represented by relatively flat leiorhynchids and rozmanariids consistent with poor oxygenation on the sea floor. One new species is described (Evanidisinurostrum saouraense sp. nov.); four genera, previously known only from the south-eastern margin of Laurussia, are reported for the first time from the northern margin of Gondwana: the leiorhynchid Sphaeridiorhynchus and the rozmanariids Leptoterorhynchus, Pugnaria and Novaplatirostrum. |
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They are also rich in small-sized and smooth rhynchonellide brachiopods, investigated here for the first time in order to detail their post-Kellwasser recovery. Rhynchonellides clearly predominate in the brachiopod assemblages (representing 90% of the whole assemblage, with 10 species) composed otherwise of athyridides, orthides and spiriferides. Rhynchonellides are mostly represented by relatively flat leiorhynchids and rozmanariids consistent with poor oxygenation on the sea floor. One new species is described (Evanidisinurostrum saouraense sp. nov.); four genera, previously known only from the south-eastern margin of Laurussia, are reported for the first time from the northern margin of Gondwana: the leiorhynchid Sphaeridiorhynchus and the rozmanariids Leptoterorhynchus, Pugnaria and Novaplatirostrum.</description><identifier>ISSN: 0016-7568</identifier><identifier>EISSN: 1469-5081</identifier><identifier>DOI: 10.1017/S0016756814000697</identifier><identifier>CODEN: GEMGA4</identifier><language>eng</language><publisher>Cambridge: Cambridge University Press</publisher><subject>Africa ; Algeria ; Ammonoidea ; Articulata ; basin analysis ; basins ; biofacies ; Brachiopoda ; Deep water ; deep-water environment ; depositional environment ; Devonian ; Earth Sciences ; Evanidisinurostrum ; Famennian ; faunal studies ; Fossils ; Geological time ; Geology ; Gondwana ; Invertebrata ; invertebrate ; Leptoterorhynchus ; Marhouma Formation ; Marine ; marine environment ; morphology ; new taxa ; North Africa ; northern Gondwana ; Novaplatirostrum ; Ocean floor ; Ougarta Basin ; Oxygenation ; paleoecology ; paleoenvironment ; paleogeography ; Paleontology ; Paleozoic ; Pugnaria ; Rhynchonellida ; Rhynchonellidae ; Sahara ; Saoura Valley ; Sciences of the Universe ; sedimentary basins ; shells ; Sphaeridiophynchus ; Stratigraphy ; taxonomy ; Trilobita ; Upper Devonian</subject><ispartof>Geological magazine, 2015-11, Vol.152 (6), p.1009-1024</ispartof><rights>GeoRef, Copyright 2020, American Geosciences Institute.</rights><rights>Copyright © Cambridge University Press 2015</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a470t-8833756ee48d4af8f146b25fb64a3efcfb4b22678f2435f5e0c9241dee8369bd3</citedby><cites>FETCH-LOGICAL-a470t-8833756ee48d4af8f146b25fb64a3efcfb4b22678f2435f5e0c9241dee8369bd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://mnhn.hal.science/mnhn-02900407$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Mottequin, Bernard</creatorcontrib><creatorcontrib>Malti, Fatima Zohra</creatorcontrib><creatorcontrib>Benyoucef, Madani</creatorcontrib><creatorcontrib>Crônier, Catherine</creatorcontrib><creatorcontrib>Samar, Louisa</creatorcontrib><creatorcontrib>Randon, Carine</creatorcontrib><creatorcontrib>Brice, Denise</creatorcontrib><title>Famennian rhynchonellides (Brachiopoda) from deep-water facies of the Ougarta Basin (Saoura Valley, Algeria)</title><title>Geological magazine</title><description>In the Saoura Valley (Ougarta Basin, Saharan Algeria), the lower-upper Famennian part of the essentially shally Marhouma Formation is characterized by deep-water facies and includes horizons rich in ammonoids (goniatites and clymeniids) and blind to eye-reduced phacopide trilobites. They are also rich in small-sized and smooth rhynchonellide brachiopods, investigated here for the first time in order to detail their post-Kellwasser recovery. Rhynchonellides clearly predominate in the brachiopod assemblages (representing 90% of the whole assemblage, with 10 species) composed otherwise of athyridides, orthides and spiriferides. Rhynchonellides are mostly represented by relatively flat leiorhynchids and rozmanariids consistent with poor oxygenation on the sea floor. One new species is described (Evanidisinurostrum saouraense sp. nov.); four genera, previously known only from the south-eastern margin of Laurussia, are reported for the first time from the northern margin of Gondwana: the leiorhynchid Sphaeridiorhynchus and the rozmanariids Leptoterorhynchus, Pugnaria and Novaplatirostrum.</description><subject>Africa</subject><subject>Algeria</subject><subject>Ammonoidea</subject><subject>Articulata</subject><subject>basin analysis</subject><subject>basins</subject><subject>biofacies</subject><subject>Brachiopoda</subject><subject>Deep water</subject><subject>deep-water environment</subject><subject>depositional environment</subject><subject>Devonian</subject><subject>Earth Sciences</subject><subject>Evanidisinurostrum</subject><subject>Famennian</subject><subject>faunal studies</subject><subject>Fossils</subject><subject>Geological time</subject><subject>Geology</subject><subject>Gondwana</subject><subject>Invertebrata</subject><subject>invertebrate</subject><subject>Leptoterorhynchus</subject><subject>Marhouma Formation</subject><subject>Marine</subject><subject>marine environment</subject><subject>morphology</subject><subject>new taxa</subject><subject>North Africa</subject><subject>northern Gondwana</subject><subject>Novaplatirostrum</subject><subject>Ocean floor</subject><subject>Ougarta Basin</subject><subject>Oxygenation</subject><subject>paleoecology</subject><subject>paleoenvironment</subject><subject>paleogeography</subject><subject>Paleontology</subject><subject>Paleozoic</subject><subject>Pugnaria</subject><subject>Rhynchonellida</subject><subject>Rhynchonellidae</subject><subject>Sahara</subject><subject>Saoura Valley</subject><subject>Sciences of the Universe</subject><subject>sedimentary basins</subject><subject>shells</subject><subject>Sphaeridiophynchus</subject><subject>Stratigraphy</subject><subject>taxonomy</subject><subject>Trilobita</subject><subject>Upper Devonian</subject><issn>0016-7568</issn><issn>1469-5081</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNplkUFv1DAQhSMEEkvhB3CzxGULBOzYcezjtqIUaaUeClytSTLeuHLsxc5S7b_Hq0UgwWlkzfc8781U1WtGPzDKuo_3lDLZtVIxQSmVuntSrZiQum6pYk-r1aldn_rPqxc5P5Qnp0qtKn8DM4bgIJA0HcMwxYDeuxEzWV8lGCYX93GES2JTnMmIuK8fYcFELAyuQNGSZUJyd9hBWoBcQXaBrO8hHhKQ7-A9Ht-Tjd9hcnD5snpmwWd89bteVN9uPn29vq23d5-_XG-2NYiOLrVSnBeriEKNAqyyJUjftLaXAjjawfaibxrZKdsI3toW6aAbwYo5xaXuR35RvT3_O4E3--RmSEcTwZnbzdbMYQqGNppSQbufrMDrM7xP8ccB82Jml4eyBAgYD9mwTlMtpBSyoG_-QR9KzlCiFEpqwWlxVSh2poYUc05o_1hg1JyOZf47VtG8O2t2GHNZbBjwMSY__h3QFIkpOq0b_gtOXJP-</recordid><startdate>20151101</startdate><enddate>20151101</enddate><creator>Mottequin, Bernard</creator><creator>Malti, Fatima 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(CUP)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>L6V</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>R05</scope><scope>H95</scope><scope>1XC</scope></search><sort><creationdate>20151101</creationdate><title>Famennian rhynchonellides (Brachiopoda) from deep-water facies of the Ougarta Basin (Saoura Valley, Algeria)</title><author>Mottequin, Bernard 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Devonian</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mottequin, Bernard</creatorcontrib><creatorcontrib>Malti, Fatima Zohra</creatorcontrib><creatorcontrib>Benyoucef, Madani</creatorcontrib><creatorcontrib>Crônier, Catherine</creatorcontrib><creatorcontrib>Samar, Louisa</creatorcontrib><creatorcontrib>Randon, Carine</creatorcontrib><creatorcontrib>Brice, Denise</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering 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Madani</au><au>Crônier, Catherine</au><au>Samar, Louisa</au><au>Randon, Carine</au><au>Brice, Denise</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Famennian rhynchonellides (Brachiopoda) from deep-water facies of the Ougarta Basin (Saoura Valley, Algeria)</atitle><jtitle>Geological magazine</jtitle><date>2015-11-01</date><risdate>2015</risdate><volume>152</volume><issue>6</issue><spage>1009</spage><epage>1024</epage><pages>1009-1024</pages><issn>0016-7568</issn><eissn>1469-5081</eissn><coden>GEMGA4</coden><abstract>In the Saoura Valley (Ougarta Basin, Saharan Algeria), the lower-upper Famennian part of the essentially shally Marhouma Formation is characterized by deep-water facies and includes horizons rich in ammonoids (goniatites and clymeniids) and blind to eye-reduced phacopide trilobites. They are also rich in small-sized and smooth rhynchonellide brachiopods, investigated here for the first time in order to detail their post-Kellwasser recovery. Rhynchonellides clearly predominate in the brachiopod assemblages (representing 90% of the whole assemblage, with 10 species) composed otherwise of athyridides, orthides and spiriferides. Rhynchonellides are mostly represented by relatively flat leiorhynchids and rozmanariids consistent with poor oxygenation on the sea floor. One new species is described (Evanidisinurostrum saouraense sp. nov.); four genera, previously known only from the south-eastern margin of Laurussia, are reported for the first time from the northern margin of Gondwana: the leiorhynchid Sphaeridiorhynchus and the rozmanariids Leptoterorhynchus, Pugnaria and Novaplatirostrum.</abstract><cop>Cambridge</cop><pub>Cambridge University Press</pub><doi>10.1017/S0016756814000697</doi><tpages>16</tpages></addata></record> |
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subjects | Africa Algeria Ammonoidea Articulata basin analysis basins biofacies Brachiopoda Deep water deep-water environment depositional environment Devonian Earth Sciences Evanidisinurostrum Famennian faunal studies Fossils Geological time Geology Gondwana Invertebrata invertebrate Leptoterorhynchus Marhouma Formation Marine marine environment morphology new taxa North Africa northern Gondwana Novaplatirostrum Ocean floor Ougarta Basin Oxygenation paleoecology paleoenvironment paleogeography Paleontology Paleozoic Pugnaria Rhynchonellida Rhynchonellidae Sahara Saoura Valley Sciences of the Universe sedimentary basins shells Sphaeridiophynchus Stratigraphy taxonomy Trilobita Upper Devonian |
title | Famennian rhynchonellides (Brachiopoda) from deep-water facies of the Ougarta Basin (Saoura Valley, Algeria) |
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