BOOK
Pennak’s Freshwater Invertebrates of the United States: Porifera to Crustacea
This 4th edition is a thoroughly updated, authoritative reference for North American freshwater invertebrates. It offers:
Revised taxonomy across invertebrate phyla (excluding insects)
Enhanced identification keys (mostly to genus), with illustrations by specialists
Over 300 line drawings, color photos, and detailed species plates
Practical appendices on specimen preparation
Fishpond
+12
NHBS
+12
Powell's Books
+12
AbeBooks
+8
Biblio
+8
Bol
+8
Regarded as indispensable for biologists, ecologists, and students, with features praised by professional journals:
“The 4th Edition Continues to be an excellent treatise about the adaptation of invertebrates to freshwater environments.”
No other version available