Scandinavian Trinucleidae with special reference to Norwegian species and varieties,

Eitemau Tebyg

• Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad limestone and Huk formations, southern Scandinavia
  gan: Nielsen, Arne Thorshøj
  Cyhoeddwyd: (1995)
• Systematics, biostratigraphy and biogeography of Australian Early Palaeozoic trilobites
  gan: Paterson, John Richard
  Cyhoeddwyd: (2005)
• Verkhnekembriĭskie trilobity Kazakhstana
  gan: Ivshin, N. K.
  Cyhoeddwyd: (1956)
• Middle Cambrian agnostids : systematics and biostratigraphy
  gan: Öpik, A. A. (Armin Alexander)
  Cyhoeddwyd: (1979)
• The trilobites of the Leptaena limestone in Dalarne, with a discussion of the zoological position and the classification of the Trilobita
  gan: Warburg, Elsa, 1886-
  Cyhoeddwyd: (1925)