Four undescribed Oligocene craneflies from Florissant, Colorado, (Diptera: Tipulidae) - 1985
Lithoserix williamsi (Siricidae: Hymenoptera) a newly recognized fossil horntail from Florissant, Colorado - 1986
Upper Eocene robber flies of the genus Ommatius (Diptera: Asilidae) in Dominican Amber - 1992
New genera of Tephritidae (Diptera) from Brazil and Dominican amber, with phylogenetic analysis of the tribe Ortalotrypetini - 1994
Apionidae from North and central America. Part 5. Description of genus Apionion and 4 new species (Coleoptera) - 1998
Biting midges from Dominican amber. III. Species of the tribes Culicoidini and Ceratopogonini (Diptera: Ceratopogonidae) - 1998
Nomenclatural and taxonomic changes, new distribution and biological records for jewel beetles (Coleoptera: Buprestidae) - 2003
The genus Dacne Latreille (Coleoptera: Erotylidae) in tropical America - 2003
Discolomopsis dominicana, a new genus and species of Endomychidae (Coleoptera) from Dominican amber - 2006
A new fossil species of stag beetle from Dominican Republic amber,with Australasian connections (Coleoptera: Lucanidae) - 2009
A review of the New World Krisnini (Hemiptera: Cicadellidae: Iassinae) including three genera and six new species - 2012
New genus of flea beetle (Coleoptera: Chrysomelidae: Galerucinae: Alticini) from the Upper Eocene Baltic amber - 2013
Taxonomic names, in New genus of flea beetle (Coleoptera: Chrysomelidae: Galerucinae: Alticini) from the Upper Eocene Baltic amber - 2013