
Resources
Explore resources related to annelid taxonomy and research curated through the INHS Annelid Collection and the work of Mark J. Wetzel. These pages and databases provide access to publications, ongoing projects, and species lists used by researchers worldwide.
Publications
Browse journal articles, proceedings, books, and other works authored, co-authored, or edited by Mark J. Wetzel, covering aquatic and terrestrial annelids, taxonomy, and international symposium papers.
Research
Learn about projects associated with the INHS Annelid Collection, including database updates, collection profiling, and ongoing work to maintain and expand the Nomenclatura Oligochaetologica catalogue.
Species Lists of Mark J. Wetzel
Access compiled species lists documenting aquatic and terrestrial annelids from Illinois, North America, and U.S. national parks. These lists preserve decades of Wetzel’s research contributions and continue to inform annelid taxonomy.
External Resources
Nomenclatura Oligochaetologica
Nomenclatura Oligochaetologica is an open-access catalogue of names, descriptions, and type specimens of the Oligochaeta, originally compiled by John W. Reynolds and Mark J. Wetzel. The site provides searchable accounts, indices, and references that are continually updated and freely shared to ensure accurate, up-to-date nomenclatural information.
WoRMS (World Register of Marine Species)
WoRMS is a continuously-updated register providing an authoritative and comprehensive list of marine organism names, including information on synonymy. Overseen by taxonomic editors from around the world, WoRMS combines data from global and regional databases to ensure consistency in how marine species are named and referenced. It serves as a vital resource for biodiversity research and taxonomic quality control.