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Nomenclatura Oligochaetologica Editio Secunda
[ page update: 2017-VI-23 ]

This Second Edition of Nomenclatura Oligochaetologica [N.O.2] updates (Addenda Editioni Primae) and corrects (Corrigenda Editioni Primae) the generic, subgeneric, specific, and infra-specific names of oligochaetes published to date.  We have integrated the accounts included in N.O. (Reynolds and Cook, 1976) with those presented in the three supplements – N.O.S.P. (Reynolds and Cook, 1981), N.O.S.S. (Reynolds and Cook, 1989), and N.O.S.T. (Reynolds and Cook, 1993).  We have also updated accounts and their associated information, added accounts for new taxa described since the publication of N.O.S.T. in 1993, and expanded the Index Auctorum, Index Auctoritatum, Index Museorum, Glossarium, and References sections of the original N.O. series. 

The information presented on the resource pages linked from the left and top navigator bars of this website has been expanded from that presented in the original N.O. series, and restructured for easy access using this web-based format.

Genera are assigned to the same 36 families recognized in the third supplement (N.O.S.T.: Reynolds and Cook, 1993), plus five new families added herein: Tumakidae {Righi, 1995; Stud. Trop. Andean Ecosystems 4(16): 600}, Parvidrilidae {Erséus, 1999; Proc. Biol. Soc. Wash. 112(2): 328}, Rhinodrilidae {James, 2012; Zootaxa 3540: 67}, Tritogeniidae {Plisko, 2013; African Invertebrates 54(1): 79, and Kazimierzidae {Nxele and Plisko, 2016: African Invertebrates 57(2): 113}.  Three other families are now excluded: Kurenkovidae {Brinkhurst, 1989; Can. J. Zool. 67: 2736}, Lycodrilidae {Hrabě, 1982; Věstn. Česk. Spol. Zool. 46(3): 180}, and Lobatocerebridae {Nielsen, 2012: 115}.  Full citations for these seven publications are included on the References page linked from the left navigator bar of this website.

We have also established a page, entitled Current Perspectives, that is accessible via the left (brown) navigator bar.  There, we include citations (and their abstracts or summaries) for publications highlighting new as well as continuing perspectives associated with Oligochaetology, including those focusing on classification, phylogeny, taxonomy, systematics, and nomenclature. 

Accounts that are new entries to this second edition – those described as new to science since the publication of N.O.S.T. in 1993 as well as accounts that were inadvertently omitted from the previous editions – have not been annotated with bracketed reference to the original series (e.g., '[N.O., p. x]', '[N.O.S.P., p. x]', '[N.O.S.S., p. x]', or '[N.O.S.T., p. x]'). 

This web-based Second Edition will be updated as soon as practicable after receiving additions and corrections  from our colleagues.

We invite our colleagues whose native language does not currently appear in this second edition to provide translations of the Prolegomena as presented in the original series, the Prolegomenon for this second edition, and the Glossarium.

Recommended citation for this web-based catalogue:

Reynolds, J.W. and M.J. Wetzel. 2017. Nomenclatura Oligochaetologica – A catalogue of names, descriptions and type specimens. Editio Secunda. URL: https://www.inhs.illinois.edu/people/mjwetzel/nomenoligo (accessed: date).

Below, we provide links to the Prolegomena – translated into several languages – that were included in the original Nomenclatura Oligochaetologica series (N.O., NO.S.P., N.O.S.S., and N.O.S.T.).  The Prolegomenon introducing this second edition (in English, above) has also been translated and is presented at the beginning of the pages for each of these languages:


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  |  中文  ||  Español  | Italiano  ||  Ελληνικέϛ  ||  日本語  ||  Malayalam  |


 – J.W.R. and M.J.W. (2014)

§ Prolegomenon   –   noun || singular:  prō-li-ˈgä-mə-ˌnän / -nən || plural: prolegomena – prō-li-ˈgä-mə-ˌnä / -nə

Greek, neuter; present passive participle of prolegein – to say beforehand.

A prolegomenon is a forward, prologue, preliminary discussion, introduction, preamble, preface, or introductory commentary for an important published work, usually of considerable length or complexity.  Prolegomena commonly include justification of effort, an historical perspective, and highlight the scope of the document.

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