Manchester, S.R. (1992). "Flowers, fruits and pollen of Florissantia, an extinct malvalean genus from the Eocene and Oligocene of western North America". American Journal of Botany. 79 (9): 996–1008. doi:10.2307/2444909. JSTOR2444909.
Sun, F.; Stockey, R.A. (1992). "A new species of Palaeocarpinus (Betulaceae) based on infructescences, fruits, and associated staminate inflorescences and leaves from the Paleocene of Alberta, Canada". International Journal of Plant Sciences. 153 (1): 136–146. doi:10.1086/297015.
Shattuck, S. O. (1992). "Review of the dolichoderine ant genus Iridomyrmex Mayr with descriptions of three new genera (Hymenoptera: Formicidae)". Journal of the Australian Entomological Society. 31: 13–18. doi:10.1111/j.1440-6055.1992.tb00453.x.
Makarkin, VN; Archibald, SB; Oswald, JD (2003). "New Early Eocene brown lacewings (Neuroptera: Hemerobiidae) from western North America". The Canadian Entomologist. 135 (5): 637–653. CiteSeerX10.1.1.489.5852. doi:10.4039/n02-122. S2CID53479449.
Bechly, G.; Makarkin, V. N. (2016). "A new gigantic lacewing species (Insecta: Neuroptera) from the Lower Cretaceous of Brazil confirms the occurrence of Kalligrammatidae in the Americas". Cretaceous Research. 58: 135–140. Bibcode:2016CrRes..58..135B. doi:10.1016/j.cretres.2015.10.014.
Bechly, G.; Makarkin, V. N. (2016). "A new gigantic lacewing species (Insecta: Neuroptera) from the Lower Cretaceous of Brazil confirms the occurrence of Kalligrammatidae in the Americas". Cretaceous Research. 58: 135–140. Bibcode:2016CrRes..58..135B. doi:10.1016/j.cretres.2015.10.014.
Manchester, S.R. (1992). "Flowers, fruits and pollen of Florissantia, an extinct malvalean genus from the Eocene and Oligocene of western North America". American Journal of Botany. 79 (9): 996–1008. doi:10.2307/2444909. JSTOR2444909.
Makarkin, VN; Archibald, SB; Oswald, JD (2003). "New Early Eocene brown lacewings (Neuroptera: Hemerobiidae) from western North America". The Canadian Entomologist. 135 (5): 637–653. CiteSeerX10.1.1.489.5852. doi:10.4039/n02-122. S2CID53479449.
Makarkin, VN; Archibald, SB; Oswald, JD (2003). "New Early Eocene brown lacewings (Neuroptera: Hemerobiidae) from western North America". The Canadian Entomologist. 135 (5): 637–653. CiteSeerX10.1.1.489.5852. doi:10.4039/n02-122. S2CID53479449.
Gini-Newman, Garfield; Graham, Elizabeth (2001). Echoes from the past: world history to the 16th century. Toronto: McGraw-Hill Ryerson Ltd. ISBN9780070887398. OCLC46769716.