A New Definition and a Lectotypification of the Genus Cooksonia Lang 1937

  title={A New Definition and a Lectotypification of the Genus Cooksonia Lang 1937},
  author={Paul Gonez and P. Gerrienne},
  journal={International Journal of Plant Sciences},
  pages={199 - 215}
  • Paul Gonez, P. Gerrienne
  • Published 2010
  • Biology
  • International Journal of Plant Sciences
  • The genus Cooksonia Lang 1937 includes some of the earliest land plants. Specimens of Cooksonia pertoni Lang 1937 are considered the earliest Eutracheophytes. The definition of the genus is thus central to the delineation of the clade. However, the generic diagnosis is problematic. It is not restrictive enough, and most of the few diagnostic characters are plesiomorphic. Observations on new specimens of Cooksonia paranensis Gerrienne et al. 2001, a species very close to C. pertoni, considered… CONTINUE READING
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