Publications
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2004. Immatures of Hemisphaerota palmarum (Boheman), with a discussion of the caudal process and shield architecture in the tribe Hemisphaerotini (Chrysomelidae: Cassidinae). New Contributions in Biology of the Chrysomelidae. :171-184.
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2004. Natural history observations in Eurypepla calochroma Blake (Chrysomelidae: Cassidinae: Physonotini). Coleopterists Bulletin. 58(1):142-143.
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2008. Fecal case architecture in the gibbosus species group of Neochlamisus Karren (Coleoptera: Chrysomelidae: Cryptocephalinae: Chlamisini. Zoological Journal of the Linnean Society. 152:315-351.
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1970. Description of Craneal Bones in Species of Genus Merluccius. Archivos De Biologia Y Medicina Experimentales. 7(1-3):R58-&.
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1978. Percichthys-Lonquimayiensis New-Species from the Upper Paleocene of Chile Pisces Perciformes Serranidae. Journal of Paleontology. 52(3):727-736. Abstract
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2011. A new species of Diochus from Baltic amber (Coleoptera, Staphylinidae, Diochini). ZooKeys. 138:65-73.
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2012. A new genus of Ptilodactylidae (Coleoptera: Byrrhoidea) in mid-Cretaceous amber from Myanmar (Burma).. Geodiversitas. 34(3):569-574.
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2012. Leehermania prorova, the earliest staphyliniform beetle, from the Late Triassic of Virginia (Coleoptera: Staphylinidae).. American Museum Novitates. 3761:1-28.
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1996. Breeding tubercles of Phoxinus (Teleostei: Cyprinidae): Morphology, distribution, and phylogenetic implications. Journal of Morphology. 228(2):127-144. Abstract
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1994. Olfactory Organ of Acipenseriformes and Comparison With Other Actinopterygians: Patterns of Diversity. Journal of Morphology. 222(3):241-267. Abstract
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2003. Korean Cave Species of the Superfamily Staphylinoidea (Coleoptera) I. Insecta Koreana. 20:139-148.
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1975. Exotic Organisms an Unsolved Complex Problem. Bioscience. 25:306-313.
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2010. Ptychodactis aleutiensis, a new species of ptychodactiarian sea anemone (Cnidaria: Anthozoa: Actiniaria) from the Aleutian Islands, Alaska. Marine Biology Research. 6(6):570-578. Abstract
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2011. New earwigs in mid-Cretaceous amber from Myanmar (Dermaptera, Neodermaptera). ZooKeys. 130:137-152.
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2012. A new species of ibaliid wasp in Baltic amber (Hymenoptera: Ibaliidae). Journal of the Kansas Entomological Society. 85(2):164-168.
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2011. The earliest earwigs in amber (Dermaptera): A new genus and species from the Early Cretaceous of Lebanon. Insect Systematics & Evolution. 42(2):139-148.
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2011. New records and the male of Megachile ventrisi Engel 2008 (Hymenoptera: Megachilidae).. Entomofauna. 32(11):213-220.
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2011. Alocanthedon, a new subgenus of Chalicodoma from Southeast Asia (Hymenoptera, Megachilidae). ZooKeys. 101:51-79.
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2012. A new fossil crane fly from the Early Pannonian of the Styrian Basin (Diptera: Tipulidae). Journal of the Kansas Entomological Society. 85(2):160-163.
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2011. New, primitive termites (Isoptera) from Early Cretaceous ambers of France and Lebanon. Palaeodiversity. 4:39-49.
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2011. A remarkable gynandromorph of Thectochlora alaris (Vachal 1904) (Hymenoptera: Halictidae).. Entomofauna. 32(14):241-248.
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2011. [Response by Michael S. Engel to receipt of 2008 Charles Schuchert Award]. Journal of Paleontology. 85(4):810-811.
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2011. A new species of Dialictus from Sombrero Island, Anguilla (Hymenoptera, Halictidae). ZooKeys. 86:61-68.
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2011. Order Hymenoptera, family Apidae: Tribe Allodapini, genus Braunsapis. Arthropod Fauna of the UAE. 4:630-635.

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