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Description of Maideria falipoui n. g., n. sp., a long snouted brachythoracid (Vertebrata, Placodermi, Arthrodira) from the Givetian of Maider (South Morocco), with a phylogenetic analysis of primitive brachythoracids

Hervé LELIÈVRE

en Bulletin du Muséum national d'Histoire naturelle, 4ème série – section C – Sciences de la Terre, Paléontologie, Géologie, Minéralogie 17 (1-4) - Pages 163-207

Published on 01 September 1995

Maideria falipoui n. sp., n. g., a new primitive long snouted brachythoracid from the Lower or Middle Givetian of South Morocco (Presaharian Anti-Atlas) is described. The monophyletic group Migmatocephala, a taxon erected by White 1952, is redefined, together with the monophyly Eubrachythoraci. A phylogenetic analysis has been performed using PAUP program based on 53 characters coded for 12 taxa. Three equally parsimonious topologies have been found, in which Maideria is considered as the most primitive brachythoracid, and Holonema included in Eubrachythoraci.
Keywords :
Maideria falipoui, Givetian, Morocco, Migmatocephala, phylogenetic analysis