Westrop, S.R., Adrain, J.M., Landing, E., 2011. The Cambrian (Sunwaptan, Furongian) Agnostoid Arthropod Lotagnostus Whitehouse, 1936, in Laurentian and Avalonian North America: Systematics and Biostratigraphic Significance. Bulletin of Geosciences 86, 569-594.

Westrop, S.R., Landing, E., 2011. Lower Cambrian (Branchian) Eodiscoid Trilobites from the Lower Brigus Formation, Avalon Peninsula, Newfoundland, Canada. Memoirs of the Association of Australasian Palaeontologists 42, 209-262.

Westrop, S.R., Landing, E., 2000. Lower Cambrian (Branchian) Trilobites and Biostratigraphy of the Hanford Brook Formation, Southern New Brunswick. Journal of Paleontology 74, 858-878. doi:10.1666/0022-3360(2000)074<0858:LCBTAB>2.0.CO;2

Westrop, S.R., Tremblay, J.V., Landing, E., 1995. Declining Importance of Trilobites in Ordovician Nearshore Paleocommunities; Dilution or Displacement?. Palaios 10, 75-79.

Westrop, S.R., Knox, L.A., Landing, E., 1993. Lower Ordovician (Ibexian) Trilobites from the Tribes Hill Formation, Central Mohawk Valley, New York State. Canadian Journal of Earth Sciences 30, 1618-1633.

Westrop, S.R., Landing, E., Ludvigsten, R., 1981. Upper Cambrian and Lower Ordovician Biostratigraphy, Jasper National Park, Alberta, The Cambrian System in the southern Canadian Rocky Mountains, Alberta and British Columbia. Guidebook for Field Trip 2. Golden, Colorado.

Westrop, S.R., Landing, E., Ludvigsten, R., 1981. Upper Cambrian and Lower Ordovician Biostratigraphy, Jasper National Park, Alberta, The Cambrian System in the southern Canadian Rocky Mountains, Alberta and British Columbia. Guidebook for Field Trip 2. Second International Symposium on the Cambrian System. Golden, Colorado, Golden, Colorado.