Here are a bunch of references on freshwater and terrestrial isopods, plus one each on crayfishes/freshwater shrimp and tarantulas:
Tarantula Care in Captivity
http://www.mpm.edu/collections/pubs/...tes/tarantula/
Dated, but useful:
The American land and fresh-water isopod Crustacea
http://digitallibrary.amnh.org/dspac.../1/B071a01.pdf
ESTABLISHMENT OF A MEDITERRANEAN ISOPOD (CHAETOPHILOSCIA SICULA VERHOEFF, 1908) IN A NORTH AMERICAN TEMPERATE FOREST
http://www.mtakpa.hu/kpa/download/1077799.pdf
Annotated Checklist of the Isopoda (Subphylum Crustacea: Class Malacostraca) of Arkansas and Oklahoma, with Emphasis Upon Subterranean Habitats
http://digital.library.okstate.edu/O.../v87/p1_14.pdf
The first record of the terrestrial isopod Armadillidium vulgare from Quebec
(Isopoda: Oniscidea)
http://www.biology.ualberta.ca/bsc/n...newsletter.pdf
Includes original description of Salmasellus steganothrix from Alberta:
Three New Troglobitic Asellids from Western North America
http://isopods.nhm.org/pdfs/3846/3846.pdf
THREE NEW SPECIES OF SUBTERRANEAN ASELLIDS FROM WESTERN NORTH AMERICA, WITH A SYNOPSIS OF THE SPECIES OF THE REGION (CRUSTACEA: ISOPODA: ASELLIDAE)
http://isopods.nhm.org/pdfs/4217/4217.pdf
Columbasellus acheron, a new genus and species of subterranean isopod from Washington (Crustacea: Isopoda: Asellidae)
http://atiniui.nhm.org/pdfs/11493/11493.pdf
A preliminary assessment of the native fish stocks of Jasper National Park
(more on distribution of Salmasellus)
http://fwresearch.ca/Library_files/Mayhood%201992c.pdf
Great source on Canadian crayfishes, although the Alberta distribution has changed a lot. Also includes one true freshwater shrimp, known from a river drainage which extends to southern Alberta [though FAR downstream so far]
The Crayfishes & Shrimp of Wisconsin
http://www.mpm.edu/downloads/collect...h/crayfish.pdf
Pay for these, or use a university library to download them free:
TRANSBORDER ASSOCIATIONS OF TERRESTRIAL ISOPODS (CRUSTACEA, ISOPODA, ONISCIDEA) OF MEXICO AND THE UNITED STATES
http://www.bioone.org/doi/abs/10.339...C%5D2.0.CO%3B2
Endemics and immigrants: North American terrestrial isopods (Isopoda, Oniscidea) north of Mexico.
http://www.jstor.org/pss/20106344
Terrestrial Isopod (Crustacea: Isopoda) Atlas for Canada, Alaska, and the Contiguous United States
http://www.mpm.edu/collections/pubs/invertebrates/