Palaeontology: Holotypes & Lectotypes

Powysia bassettii

Edwards 1977
Accession number: NMW 72.39G.1 a&b
Collection: Holotypes
Taxonomy: Plantae, Algae
Chronostratigraphy: PALAEOZOIC , SILURIAN , Ludlow Series , Gorstian Stage
Lithostratigraphy: N. nilssoni Biozone
Locality: ../.. , Europe , United Kingdom , Wales , Breconshire

Powysia bassettii

References:
  • Edwards, D. 1977, A new non-calcified alga from the Upper Silurian of mid Wales. Palaeontology., 20, 823-32, pls 110-11., Type reference, p.824, pl.110, figs 1-3 (72.39G.1a) and 4 (72.39G.1b); pl.111, figs 1-3, 8, 10 (72.39G.1a)
  • Cleal, C.J. & Thomas, B.A. 1994a, Palaeozoic palaeobotany of Great Britain. Geological Conservation Review Series, 9, xii + 285pp. Chapman and Hall.