A checklist of species of the family Zoothamniidae (Ciliophora: Peritrichia) symbionts of crustaceans Author Mayén-Estrada, Rosaura 0000-0002-3156-1295 Laboratorio de Protozoología, Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma México, Av. Universidad 3000, Circuito Ext. s / núm. Coyoacán, C. P. 04510 Ciudad de México, Mexico. romaraf@gmail.com Author Dias, Roberto Junio Pedroso Laboratório de Protozoologia, Programa de Pós-graduação em Biodiversidade e Conservação da Natureza, Universidade Federal de Juiz de Fora, CEP: 36036 - 900, Juiz de Fora, Minas Gerais, Brazil. text Zootaxa 2021 2021-03-26 4949 3 557 581 journal article 7567 10.11646/zootaxa.4949.3.7 a3b1fa07-f156-48e6-a504-6740b7b0c3e9 1175-5326 4640845 03D43345-030C-46FD-97A4-9828A41727CB Zoothamnium affine Stein, 1859 Distribution. Austria . Czech Republic . Germany . Hungary . Poland . Slovakia . Switzerland . The Netherlands . Bohai Bay. Yellow Sea. Ukraine . USA . Hosts. Asellus (Asellus) aquaticus (cited as Asellus aquaticus ); Dikerogammarus villosus ; Echinogammarus trichiatus ; Gammarus fossarum (also cited as Gammarus pulex fossarum ); Gammarus pulex ; Gammarus roeselii (cited as Carinogammarus roeseli and Carinogammarus roeseli var. triacanthus ); Gammarus tigrinus ; Penaeus chinensis (cited as Penaeus orientalis ); Asellus sp.; Carinogammarus sp.; Gammarus sp. References. Kellicott 1884 ; Keiser 1921 ; Stiller 1931 ; Nenninger 1948 ; Piesik 1975 ; Bierhof & Ross 1977; Schödel 1985 , 1986a , 1987 , 1998 , 2018 ; Rustige 1991; Rustige & Mannesmann 1991 ; Song 1991b ; Morado & Small 1995 ; Fernandez-Leborans & Tato-Porto 2000 ; Obolewski & Piesic 2006; Blatterer 2008 .