1-2 issue matching your criteria:

Astacoidea (1), Cambaridae (1), Invertebrata (2), Arthropoda (1), Eucarida (1), Eumalacostraca (1), Malacostraca (1), Crustacea (1), Decapoda (1)

General ecology (1), Phylogeny (1), Aquatic biology (1), Taxonomy (1), Systematics (2)

Southern USA (1), Americas (1), North America (1), Alabama and Georgia (1), USA and Canada (1), Europe (1)

Crustacea (1), Arachnida (2), Sphaeriidae (1), Chthonioidea (1), Palpigradi (1), Pseudoscorpiones (1), Isopoda (2), Chiroptera (1), Theria (1), Styloniscidae (2), Lobosa (1), Invertebrata (3), Heliozoa (1), Protozoa (1), Mammalia (1), Euglyphidae (1), Cyphoderiidae (1), Bivalvia (1), Chelicerata (2), Placentalia (1), Chordata (1), Ischyropsalididae (1), Arthropoda (2), Vertebrata (1), Leiodidae (1)

Zoology & Animal Biology (4), Taxonomy (3), Systematics (3), Aquatic biology (2), Evolutionary biology (2), General ecology (2)

Croatia (1), Southern Europe and Mediterranean (2), Alps (1), Balkans (1), Italy (2), Asia (1), Brazil (3), South Africa, Lesotho and Swaziland (1), Americas (1), Europe (3), Southern Africa (1), Africa (1)