2004
DOI: 10.1666/0022-3360(2004)078<0098:tdotha>2.0.co;2
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The Devonian of the Hodh area (Islamic Republic of Mauritania): Paleontology and stratigraphy

Abstract: Paleontological study of 16 samples from four sections through the Silurian-Devonian marine deposits of the Hodh region establishes the development of the Middle Devonìan and adds to our knowledge of the Paleozoic sequence in the West African platform. Above Silurian deposits locally dated by graptolites from the Llandovery, Devonian shales yield an abundant although low diversity benthic fau… Show more

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Cited by 5 publications
(3 citation statements)
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“…The Devonian Turkish fauna indicates that the Taurids (at least the eastern part of the Taurids) should be included in this group of regions constituting the so-called "Cimmerian belt", a suite of terranes located along the North Gondwanan margin. Furthermore, the presence of Eleutherokomma, also known in Iran, Mauritania (RACHEBOEUF et al, 2004), northern France and eastern Canada, reinforces the faunal evidence for a narrow oceanic separation between North Gondwana and Euramerica at this time, contrary to some reconstructions based mainly on palaeomagnetic data.…”
Section: Discussionsupporting
confidence: 56%
“…The Devonian Turkish fauna indicates that the Taurids (at least the eastern part of the Taurids) should be included in this group of regions constituting the so-called "Cimmerian belt", a suite of terranes located along the North Gondwanan margin. Furthermore, the presence of Eleutherokomma, also known in Iran, Mauritania (RACHEBOEUF et al, 2004), northern France and eastern Canada, reinforces the faunal evidence for a narrow oceanic separation between North Gondwana and Euramerica at this time, contrary to some reconstructions based mainly on palaeomagnetic data.…”
Section: Discussionsupporting
confidence: 56%
“…?Antarctica, unknown geological unit, Givetian (Harper et al, 2010); South Africa, Witterberg Group, Givetian–Frasnian (Boucot et al, 1983a; Penn-Clarke et al, 2018; Penn-Clarke, 2019); Germany, Lower Dark and Neichnerberg formations, Pragian–Emsian (Fuchs, 1982; Ubelacker et al, 2016); ?Australia, Cocktatoo Formation, Frasnian (Roberts, 1971); Belgium, unknown formation, Pragian–Emsian (Boucot et al, 1995); Bolivia, Huamampampa, Belén, and Sicasica formations, late Eifelian–?Frasnian (Isaacson, 1977, 1993; for age see Blieck et al, 1996; Troth et al, 2011); Brazil, São Domingos, Maecuru, Ererê, Pimenteira, and Cabeças formations, middle/late Eifelian–Givetian (Suárez-Riglos, 1967; Fonseca and Melo, 1987; Melo, 1988; this paper); Canada, Torbrook Formation, Lochkovian (Boucot, 1999); Colombia, Floresta and Gutierrez formations, ?Emsian–Frasnian (Caster, 1939; Morales, 1965; Barrett, 1986); Chile, Zorritas Formation, Eifelian or Givetian (Isaacson et al, 1985; Isaacson, 1993; Boucot et al, 1995, 2008); England, unknown formation, Pragian–Emsian (Boucot et al, 1995); Morocco, unknown formation, Pragian–Givetian (Jansen, 2001; Harper et al, 2010; Halamski and Balinski, 2013); France, unknown formation, Givetian (Rachebouef in Boucot et al, 1995); Central Sahara (Algeria and Niger), Tamesna Basin, Pragian–Givetian (Mergl and Massa, 2004); United States of America, Beechwood Limestone Member, Silica, ”Beers Hill”, Portage, Ludlowville and Mahantango formations, Givetian–Frasnian (Williams, 1913; Ellison, 1965; Kesling and Chilman, 1975; McGhee and Sutton, 1985); Spain, Salobral Formation, Givetian (Carls, 1988; Carls and Valenzuela-Ríos, 2002); Libya, Aouinet Ouenine II and Idri formations, ?Pragian–Frasnian (Freulon, 1964; Havlicek and Rohlich, 1987; Mergl and Massa, 1992); Mauritania, Aratane Formation, ?Pragian–Givetian (LeMaître, 1952; Sougy, 1964; Rachebouef et al, 2004); Czech Republic, Drakov Quartzite, Pragian (Isaacson and Chlupac, 1984); Peru, Cabanillas Formation, ?Eifelian (Newell, 1949; for age see Laubacher et al, 1982); Venezuela, Caño Grande and Caño del Oeste formations, ?Early Devonian–Givetian (Sanchez and Benedetto, 1983).…”
Section: Systematic Paleontologymentioning
confidence: 99%
“…A proximidade filogenética entre delthyridídeos e reticulariídeos é mostrada pelo estudo de Carter et al (1994) (Pitrat, 1965), e a presença de taxa semelhantes ao gênero Howellella no mesmo período (médio Llandoveriano - Gourvennec, 2004), sendo que a maior diversidade deste grupo se encontra no Devoniano Inferior e Médio, tendo uma grande diminuição da diversidade do grupo a partir do Emsiano superior. Apesar de Delthyridoidea ser predominantemente Siluro-Devoniano, dois registros isolados deste grupo são descritos para sedimentos do Carbonífero do Texas (Carter, 1990), e um para estratos permianos do Nepal, representado pelo gênero Pteroplecta (Waterhouse, 1978, in Benton et al, 1993.…”
Section: Aspectos Históricos a Respeito Da Classificação E Filogeniasunclassified