Spangler, Paul J. 1981. "Aquatic and Semiaquatic Coleoptera." In Aquatic Biota of Tropical South America. Part 1 ed. San Diego University. II in Aquatic Biota in Latin America.
Spangler, Paul J. 1981. "New and Interesting Water Beetles from Mt. Roraima and Ptari-tepui, Venezuela (Coleoptera: Dytiscidae and Hydrophilidae)." Aquatic Insects, 3, (1) 1–11.
Spangler, Paul J. and Santiago-de Bueno. 1977. "A New Water Scavenger Beetle from Mexico (Coleoptera: Hydrophilidae)." Proceedings of the Biological Society of Washington, 92, (2) 333–338.
Spangler, Paul J. and Perkins, P. D. 1977. "Three New Species of the Neotropical Water Beetle Genus Elmoparnus (Coleoptera: Dryopidae)." Proceedings of the Biological Society of Washington, 89-num-63) 743–760.
Spangler, Paul J. 1977. "Three New Ecuadorian Species of the Aquatic Beetle Genus Chaetarthria (Coleoptera: Hydrophilidae)." Proceedings of the Biological Society of Washington, 90, (3) 566–578.
Strand, R. M. and Spangler, Paul J. 1994. "The Natural History, Distribution, and Larval Description of Brychius hungerfordi Spangler (Coleoptera: Haliplidae)." Proceedings of the Entomological Society of Washington, 96, (2) 208–213.
Spangler, Paul J. and Barr, C. B. 1995. "A new Genus and Species of Stygobiontic Dytsicid Beetle, Comaldessus stygius (Coleoptera: Dytsicidae: Bidessini) from Comal Springs, Texas." Insecta Mundi, 9, (3-4) 301–308.
Polhemus, John T. and Spangler, Paul J. 1995. "A Review of the Genus Stridulivelia Hungerford and Two New Species (Heteroptera: Veliidae) from South America." Proceedings of the Entomological Society of Washington, 97, (1) 128–152.
A Review and Two New Species of the Genus Pseudeucinetus Heller from Southeast Asia and a World Checklist of the Thaumastodinae (Coleoptera, Limnichidae)
Spangler, Paul J. 1995. "A Review and Two New Species of the Genus Pseudeucinetus Heller from Southeast Asia and a World Checklist of the Thaumastodinae (Coleoptera, Limnichidae)." Special Bulletin of the Japanese Society of Coleopterology, Tokyo, 4 395–405.
Spangler, Paul J. 1998. "A new tribe, genus and species of limnichid beetle, Wooldrigeus perforatus, from Malaysia (Coleoptera: Limnichidae: Wooldridgeini)." Insecta Mundi, 12, (3-4) 181–188.
Spangler, Paul J. and Staines, Charles L. 2001. "Rediscovery and Redescription of Ceradryops punctatus Hinton, 1937 (Coleoptera: Dryopidae)." Insecta Mundi, 15, (4) 243–245.