| algeria | tlemcen province | proasellus coxalis | species | 6 | 0 |
| austria | salzburg | proasellus slavus | species | 14 | 0 |
| austria | salzburg | proasellus strouhali | species | 19 | 0 |
| austria | upper austria | proasellus cavaticus | species | 9 | 0 |
| austria | upper austria | proasellus strouhali | species | 10 | 0 |
| belgium | | proasellus hermallensis | species | 2 | 0 |
| belgium | flemish region | asellus aquaticus | species | 0 | 1 |
| belgium | walloon region | proasellus cavaticus | species | 195 | 0 |
| belgium | walloon region | proasellus hermallensis | species | 14 | 0 |
| bosnia and herzegovina | | proasellus anophtalmus | species | 15 | 0 |
| bosnia and herzegovina | | proasellus coxalis | species | 2 | 0 |
| bosnia and herzegovina | | proasellus hercegovinensis | species | 12 | 0 |
| bosnia and herzegovina | | proasellus karamani | species | 12 | 0 |
| bosnia and herzegovina | | proasellus sp. dabarska | species | 2 | 0 |
| canada | ontario | caecidotea sp. bold:aac7342 | species | 22 | 0 |
| croatia | | proasellus anophtalmus | species | 15 | 0 |
| croatia | | proasellus coxalis | species | 5 | 0 |
| croatia | | proasellus karamani | species | 2 | 0 |
| croatia | | proasellus sp. kuruzovica | species | 1 | 0 |
| france | | asellus aquaticus | species | 2 | 0 |
| france | | gallasellus heilyi | species | 21 | 0 |
| france | | gallasellus sp. rabier | species | 1 | 0 |
| france | | proasellus albigensis | species | 39 | 0 |
| france | | proasellus boui | species | 25 | 0 |
| france | | proasellus cavaticus | species | 166 | 0 |
| france | | proasellus coiffaiti | species | 5 | 0 |
| france | | proasellus coxalis | species | 4 | 0 |
| france | | proasellus meridianus | species | 18 | 0 |
| france | | proasellus racovitzai | species | 2 | 0 |
| france | | proasellus rouchi | species | 2 | 0 |
| france | | proasellus slavus | species | 49 | 0 |
| france | | proasellus sp. 1 sospel | species | 11 | 0 |
| france | | proasellus sp. chamois | species | 9 | 0 |
| france | | proasellus sp. etcheberrigaray | species | 4 | 0 |
| france | | proasellus sp. lesduyes | species | 3 | 0 |
| france | | proasellus sp. maglia | species | 17 | 0 |
| france | | proasellus sp. n. boreon | species | 56 | 0 |
| france | | proasellus sp. n. sanguiniere | species | 2 | 0 |
| france | | proasellus sp. sospel | species | 23 | 0 |
| france | | proasellus sp. tende | species | 14 | 0 |
| france | | proasellus sp. verclause | species | 6 | 0 |
| france | | proasellus strouhali | species | 56 | 0 |
| france | | proasellus synaselloides | species | 28 | 0 |
| france | | proasellus valdensis | species | 10 | 0 |
| france | | proasellus walteri | species | 205 | 0 |
| france | aquitaine region | proasellus racovitzai | species | 6 | 0 |
| france | aquitaine region | proasellus spelaeus | species | 5 | 0 |
| france | aquitaine region | proasellus valdensis | species | 9 | 0 |
| france | aquitaine region | proasellus vandeli | species | 3 | 0 |
| france | bretagne region | proasellus boui | species | 7 | 0 |
| france | bretagne region | proasellus cavaticus | species | 395 | 0 |
| france | bretagne region | proasellus sp. n. boreon | species | 25 | 0 |
| france | bretagne region | proasellus valdensis | species | 28 | 0 |
| france | bretagne region | proasellus walteri | species | 11 | 0 |
| france | corse region | proasellus beroni | species | 7 | 0 |
| france | corse region | proasellus cavaticus | species | 3 | 0 |
| france | languedoc-roussillon region | gallasellus heilyi | species | 5 | 0 |
| france | languedoc-roussillon region | proasellus anophtalmus | species | 1 | 0 |
| france | languedoc-roussillon region | proasellus beroni | species | 13 | 0 |
| france | languedoc-roussillon region | proasellus coxalis | species | 4 | 0 |
| france | languedoc-roussillon region | proasellus valdensis | species | 309 | 0 |
| france | languedoc-roussillon region | proasellus vandeli | species | 7 | 0 |
| france | midi-pyrenees region | proasellus cavaticus | species | 2 | 0 |
| france | midi-pyrenees region | proasellus coxalis | species | 4 | 0 |
| france | midi-pyrenees region | proasellus synaselloides | species | 17 | 0 |
| france | midi-pyrenees region | proasellus walteri | species | 93 | 0 |
| france | pays de la loire region | proasellus walteri | species | 9 | 0 |
| france | provence-alpes-cote d'azur region | asellidae environmental sample | species | 1 | 0 |
| france | provence-alpes-cote d'azur region | asellus aquaticus | species | 1 | 0 |
| germany | | asellus aquaticus | species | 2 | 0 |
| germany | | proasellus slavus | species | 1 | 0 |
| germany | baden-wuerttemberg | asellus aquaticus | species | 1 | 0 |
| germany | bavaria | asellus aquaticus | species | 6 | 0 |
| germany | bavaria | proasellus nolli | species | 132 | 0 |
| germany | lower saxony | asellus aquaticus | species | 5 | 0 |
| germany | north rhine-westphalia | asellus aquaticus | species | 5 | 0 |
| germany | rhineland-palatinate | proasellus cavaticus | species | 1 | 0 |
| germany | saxony | asellus aquaticus | species | 1 | 0 |
| greece | | proasellus aff. minoicus arkadiou | species | 2 | 0 |
| greece | | proasellus coxalis | species | 17 | 0 |
| greece | | proasellus minoicus | species | 2 | 0 |
| greece | | proasellus monodi | species | 6 | 0 |
| greece | north aegean region | proasellus coxalis | species | 181 | 0 |
| italy | | asellus aquaticus | species | 3 | 0 |
| italy | | proasellus acutianus | species | 3 | 0 |
| italy | | proasellus amiterninus | species | 3 | 0 |
| italy | | proasellus coxalis | species | 23 | 0 |
| italy | | proasellus intermedius | species | 10 | 0 |
| italy | | proasellus istrianus | species | 3 | 0 |
| italy | | proasellus pavani | species | 3 | 0 |
| italy | | proasellus ruffoi | species | 6 | 0 |
| italy | | proasellus sp. gabriele | species | 2 | 0 |
| italy | | proasellus sp. martino | species | 2 | 0 |
| italy | | proasellus vulgaris | species | 3 | 0 |
| italy | apulia region | proasellus franciscoloi | species | 3 | 0 |
| italy | apulia region | proasellus intermedius | species | 3 | 0 |
| italy | calabria region | proasellus sp. n. martino | species | 10 | 0 |
| italy | emilia-romagna region | proasellus franciscoloi | species | 7 | 0 |
| italy | friuli-venezia giulia autonomous region | proasellus istrianus | species | 3 | 0 |
| italy | friuli-venezia giulia autonomous region | proasellus slavus | species | 8 | 0 |
| italy | molise region | proasellus dianae | species | 6 | 0 |
| italy | sardinia autonomous region | proasellus micropectinatus | species | 10 | 0 |
| italy | tuscany region | proasellus franciscoloi | species | 3 | 0 |
| italy | tuscany region | proasellus ligusticus | species | 7 | 0 |
| italy | tuscany region | proasellus sp. n. cantarana | species | 13 | 0 |
| japan | hokkaido prefecture | asellus hilgendorfii | species | 1 | 0 |
| lebanon | | proasellus bardaunii | species | 5 | 0 |
| lebanon | | proasellus coxalis | species | 7 | 0 |
| luxembourg | | proasellus cavaticus | species | 3 | 0 |
| macedonia | | proasellus gjorgjevici | species | 1 | 0 |
| montenegro | | asellus aquaticus | species | 1 | 0 |
| montenegro | | proasellus anophtalmus | species | 17 | 0 |
| montenegro | | proasellus karamani | species | 3 | 0 |
| montenegro | | proasellus sp. spuz | species | 2 | 0 |
| morocco | | proasellus coxalis | species | 1 | 0 |
| netherlands | | asellus aquaticus | species | 1 | 0 |
| netherlands | | proasellus coxalis | species | 1 | 0 |
| netherlands | | proasellus sp. netherlands-bh-2002 | species | 1 | 0 |
| portugal | | bragasellus peltatus | species | 2 | 0 |
| portugal | | proasellus arthrodilus | species | 4 | 0 |
| portugal | | proasellus assaforensis | species | 2 | 0 |
| portugal | | proasellus ibericus | species | 4 | 0 |
| portugal | | proasellus lusitanicus | species | 4 | 0 |
| portugal | | synasellus sp. aboim2 | species | 1 | 0 |
| portugal | | synasellus sp. barrio | species | 1 | 0 |
| portugal | | synasellus sp. mezio | species | 1 | 0 |
| portugal | evora district | proasellus rectus | species | 16 | 0 |
| portugal | viseu district | proasellus meridianus | species | 3 | 0 |
| romania | | asellus aquaticus | species | 31 | 0 |
| russia | | asellus aquaticus | species | 1 | 0 |
| russia | | asellus levanidovorum | species | 1 | 0 |
| russia | | baicalasellus baicalensis | species | 2 | 0 |
| russia | | baicalasellus korotnevi | species | 3 | 0 |
| russia | | limnoasellus poberezhnii (nomen nudum) | species | 2 | 0 |
| russia | | mesoasellus dybowskii | species | 2 | 0 |
| russia | | proasellus sp. 12bk | species | 2 | 0 |
| russia | | proasellus sp. 140k | species | 1 | 0 |
| russia | irkutsk oblast | asellid sp. bh-2002 | species | 1 | 0 |
| russia | irkutsk oblast | baicalasellus angarensis | species | 1 | 0 |
| russia | irkutsk oblast | baicalasellus baicalensis | species | 1 | 0 |
| russia | irkutsk oblast | baicalasellus korotnevi | species | 2 | 0 |
| russia | irkutsk oblast | baicalasellus minutus | species | 1 | 0 |
| russia | irkutsk oblast | mesoasellus dybowskii | species | 1 | 0 |
| russia | krasnoyarsk krai | asellus levanidovorum | species | 1 | 0 |
| serbia | | proasellus anophtalmus | species | 2 | 0 |
| slovakia | | proasellus pribenicensis | species | 2 | 0 |
| slovenia | | asellus aquaticus | species | 7 | 0 |
| slovenia | | proasellus coxalis | species | 3 | 0 |
| slovenia | | proasellus deminutus | species | 1 | 0 |
| slovenia | | proasellus intermedius | species | 1 | 0 |
| slovenia | | proasellus istrianus | species | 1 | 0 |
| slovenia | | proasellus parvulus | species | 6 | 0 |
| slovenia | | proasellus slavus | species | 1 | 0 |
| slovenia | | proasellus slovenicus | species | 5 | 0 |
| slovenia | city municipality of maribor | proasellus deminutus | species | 13 | 0 |
| slovenia | city municipality of maribor | proasellus slavus | species | 3 | 0 |
| slovenia | municipality of apace | proasellus slavus | species | 7 | 0 |
| slovenia | municipality of crnomelj | proasellus parvulus | species | 8 | 0 |
| slovenia | municipality of idrija | proasellus intermedius | species | 2 | 0 |
| slovenia | municipality of verzej | proasellus slavus | species | 10 | 0 |
| spain | | bragasellus comasi | species | 2 | 0 |
| spain | | bragasellus lagari | species | 1 | 0 |
| spain | | bragasellus lagarioides | species | 1 | 0 |
| spain | | bragasellus molinai | species | 2 | 0 |
| spain | | proasellus aff. escolai cotillas | species | 1 | 0 |
| spain | | proasellus aragonensis | species | 3 | 0 |
| spain | | proasellus beticus | species | 2 | 0 |
| spain | | proasellus cantabricus | species | 35 | 0 |
| spain | | proasellus comasi | species | 3 | 0 |
| spain | | proasellus coxalis | species | 2 | 0 |
| spain | | proasellus ebrensis | species | 2 | 0 |
| spain | | proasellus escolai | species | 3 | 0 |
| spain | | proasellus granadensis | species | 2 | 0 |
| spain | | proasellus jaloniacus | species | 2 | 0 |
| spain | | proasellus meridianus | species | 5 | 0 |
| spain | | proasellus ortizi | species | 2 | 0 |
| spain | | proasellus solanasi | species | 4 | 0 |
| spain | | proasellus sp. cuvera2 | species | 1 | 0 |
| spain | | synasellus sp. concha1 | species | 1 | 0 |
| spain | | synasellus sp. concha2 | species | 1 | 0 |
| spain | | synasellus sp. concha3 | species | 1 | 0 |
| spain | | synasellus sp. yuso | species | 1 | 0 |
| switzerland | | asellus aquaticus | species | 2 | 0 |
| switzerland | | proasellus cavaticus | species | 4 | 0 |
| switzerland | | proasellus coxalis | species | 1 | 0 |
| switzerland | | proasellus valdensis | species | 1 | 0 |
| tunisia | | proasellus coxalis | species | 6 | 0 |
| united states | | caecidotea kenki | species | 1 | 0 |
| united states | new york | proasellus sp. opc-2014 | species | 1 | 0 |
| united states | tennessee | caecidotea bicrenata | species | 3 | 0 |