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handle: 20.500.14352/49374 , 10261/8230
[EN] El nuevo género de coral rugoso Tizraia ha sido encontrado en las formaciones Tizra y Akerchi, en la región de Adarouch (Marruecos central, Brigantiense). El nuevo género está caracterizado por tábulas incompletas en forma de mesa, ausencia de estructura axial, disepimentos lonsdaleoides bien desarrollados y gemación parricida. Evolucionó de Diphyphyllum mediante el desarrollo de disepimentos lonsdaleoides. Solo se asigna a este género con seguridad la especie tipo, Tizraia berkhlii gen. nov. sp. nov., aunque otra especie representada por un solo ejemplar se describe tentativamente bajo la misma denominación genérica. Tizraia ha sido identificada también en la cuenca de Djerada (Marruecos oriental) y puede estar presente también en Irlanda. Puede tener un alto valor bioestratigráfico como marcador de Brigantiense superior.
[EN] A new genus of rugose coral, Tizraia, has been recorded in the Tizra and Akerchi formations of the Adarouch area (Brigantian, Central Meseta, Morocco). The new genus is characterised by incomplete, mesa-shaped tabulae, absence of axial structure and presence of well developed lonsdaleoid dissepiments, as well as parricidal increase. It evolved from Diphyphyllum by the development of lonsdaleoid dissepiments. Only the type species, Tizraia berkhlii gen. nov. sp. nov. is included with certainty in the new genus, but an additional species represented by one single specimen is tentatively described under this generic name. Tizraia has also been recorded in the Djerada Basin (Eastern Morocco) and may be present in Ireland. It has high biostratigraphic value as an Upper Brigantian (Upper Viséan) index taxon.¬«
This work is a contribution to the projects AECI 198/03/P, AECI 198/04/R/E, funded by the Spanish Agency of International Cooperation and CSIC2004 MA0010, funded by the Spanish Council of Scientific Research (CSIC).C>?É
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Akerchi, Rugosa, Mississippiense., 2416 Paleontología, Paleontología, 563.6(64), Biogeography, Tizra, Systematics, Biogeografía, Mississippiense, Rugose corals, Sistemática, Mississippian
Akerchi, Rugosa, Mississippiense., 2416 Paleontología, Paleontología, 563.6(64), Biogeography, Tizra, Systematics, Biogeografía, Mississippiense, Rugose corals, Sistemática, Mississippian
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