Symmetrical bifurcation of the Alethopteris urophylla frond

• Laveine, Jean-Pierre ^[1] ; Oudoire, Thierry ^[1]
  1. [1] Musée de Géologie de la Ville de Lille, 19 rue de Bruxelles, F-59000 Lille, France.
• Localización: Spanish journal of palaeontology, ISSN 2255-0550, Vol. 24, Nº. 2, 2009 (Ejemplar dedicado a: REVISTA ESPAÑOLA DE PALEONTOLOGÍA), págs. 121-131
• Idioma: inglés
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• Resumen

  • A symmetrical bifurcation of an Alethopteris urophylla frond from the Pennsylvanian (Upper Carboniferous) of the Northern France coalfield shows some still-attached remains of foliage. Such rare specimens contribute, step by step, to a better understanding of the frond architecture of the genus Alethopteris, which is of the bifurcatepinnate type. A few complementary general comments are given.