T. T. S.  Polizei and Barclay, M. V. L., ?First records of the genera Neocylloepus and Pilielmis (Coleoptera: Elmidae:  Elminae) from Venezuela, with the description of Pilielmis shepardi sp. nov.?, Zootaxa, vol. 4688, no. 2, pp. 282?288, 2019.

T. T. S.  Polizei and Barclay, M. V. L., ?The genus Hintonelmis (Coleoptera: Elmidae:  Elminae), new species and records?, Journal of Natural History, vol. 52, no. 45-46, pp. 2949-2959, 2019.

T. T. S.  Polizei and Barclay, M. V. L., ?The genus Cylloepus Erichson, 1847 (Coleoptera: Elmidae: Elminae) new species and combinations?, Zootaxa, vol. 4652, pp. 93?100, 2019.

T. T. S.  Polizei and Casari, S. A., ?Macrelmis pubescens (Grouvelle, 1889) ?  redescription of the species, designation of a  lectotype and description of its larva (Coleoptera:  Elmidae)?, Annales de la Société entomologique de France (N.S.), 2019.