Language: Bilingual in English and Polish
Volume 2 deals lists the major invertebrate and vertebrate classes:
- Sagittoidea
- Asteroidea
- Ophiuroidea
- Appendiculariae
- Ascidiacea
- Agnatha
- Pisces
- Amphibia
- Reptilia
- Aves
- Mammalia
It also lists a large number of orders in the Insecta class:
- Trichoptera
- Lepidoptera
- Zeugloptera - Glyphipterigidae
- Elachistidae - Gelechiidae
- Coleophoridae
- Mecoptera
- Diptera
- Trichoceridae
- Limoniidae - Ptychopteridae
- Psychodidae
- Blephariceridae
- Dixidae - Chaoboridae
- Culicidae
- Chironomidae
- Ceratopogonidae
- Simuliidae
- Thaumaleidae
- Bolitophilidae - Sciaridae
- Cecidomyiidae
- Canthyloscelidae
- Scathopsidae - Bibiomidae
- Anisopodidae
- Athericidae - Asilidae
- Therevidae
- Scenopinidae
- Hilarimorphidae
- Bombyliidae
- Empididae
- Hybotidae - Platypezidae
- Phoridae
- Pipunculidae
- Syrphidae - Conopidae
- Micropezidae - Sepsidae
- Sciomyzidae
- Lauxaniidae - Acartophthalmidae
- Clusiidae - Trixoscelididae
- Pseudopomyzidae - Carnidae
- Ephydridae
- Braulidae - Curtonotidae
- Chloropidae
- Scathophagidae - Nycteribiidae
- Siphonaptera