Palaeontology: Holotypes & Lectotypes

Hamatolenus (Myopsolenus) douglasi

Bassett, Owens & Rushton 1976
Accession number: NMW 75.4G.1
Collection: Holotypes
Taxonomy: Arthropoda, Trilobita
Chronostratigraphy: PALAEOZOIC , CAMBRIAN , Comley Series
Lithostratigraphy: 16.5m below the top of the Hell's Mouth Grits
Locality: ../.. , Europe , United Kingdom , Wales , Gwynedd
Hamatolenus (Myopsolenus) douglasi
Hamatolenus (Myopsolenus) douglasi
  • Bassett, M.G., Owens, R.M. & Rushton, A.W.A. 1976, Lower Cambrian fossils from the Hell's Mouth Grits, St Tudwal's Peninsula, North Wales. Journal of the Geological Society, 132, 623-44, 3 pls., Type reference, p. 627, pl. 1, figs 1a,b.
  • Morris, S.F. 1988. A review of British trilobites, including a synoptic revision of Salter's Monograph. Monograph of the Palaeontographical Society, London: 1-316 (Publication No.574, part of Volume 140 for 1986.)
  • Young, T P,Gibbons, W & McCarroll, D. 2002, Geology of the country around Pwllheli, Memoir of the British Geological Survey, Sheet 134