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Crustipellis  Harman & Loden, 1978
Taxonomic Serial No.: 69042

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 Taxonomy and Nomenclature
  Kingdom: Animalia  
  Taxonomic Rank: Genus  
  Common Name(s): aquatic oligochaete worm [English]
  Taxonomic Status:    
  Current Standing: valid  
  Data Quality Indicators:    
  Record Credibility Rating: verified - standards met  
  Global Species Completeness: unknown   
  Latest Record Review: 2013   

 Taxonomic Hierarchy
 KingdomAnimalia  – Animal, animaux, animals  
             PhylumAnnelida  – annelids, annélides, Anelídeo, minhoca, sanguessuga  
                      OrderTubificida Brinkhurst, 1982 – aquatic oligochaete worm  
                         FamilyOpistocystidae Cernosvitov, 1936 – aquatic oligochaete worm  
                            GenusCrustipellis Harman & Loden, 1978 – aquatic oligochaete worm  
    Direct Children:  
                               SpeciesCrustipellis tribranchiata (Harman, 1970 [1969 sic]) – aquatic oligochaete worm 

  Expert: Mark J. Wetzel   
  Notes: Oligochaetologist and Curator/Collections Manager of the INHS Annelida Collection, Illinois Natural History Survey, Forbes Natural History Building, MC-652, 1816 South Oak Street, Champaign, Illinois, 61801 USA   
  Reference for: Crustipellis    
  Other Source(s):    
  Source: Classification and checklist of the freshwater oligochaetes 2013, website (version 2013)  
  Acquired: 2013   
  Notes: Wetzel, M.J., R.D. Kathman, S.V. Fend, and K.A. Coates. 2013. Classification and checklist of the freshwater oligochaetes occurring in North America north of Mexico. World Wide Web URL:   
  Reference for: Crustipellis   
  Source: Classification and Checklist of the Freshwater Oligochaetes..., website (version 31-Oct-07)  
  Acquired: 2007   
  Notes: Wetzel, M.J., R.D. Kathman, S.V. Fend, and K.A. Coates. 2007. Classification and checklist of the freshwater oligochaetes occurring in North America north of Mexico. World Wide Web URL:   
  Reference for: Crustipellis   
  Source: NODC Taxonomic Code, database (version 8.0)  
  Acquired: 1996   
  Reference for: Crustipellis   
  Author(s)/Editor(s): Brinkhurst, Ralph O., and Mark J. Wetzel   
  Publication Date: 1984   
  Article/Chapter Title: Aquatic Oligochaeta of the World: Supplement. A catalog of new freshwater species, descriptions, and revisions   
  Journal/Book Name, Vol. No.: Canadian Technical Report of Hydrography and Ocean Sciences no. 44   
  Page(s): v + 101   
  Publisher: Institute of Ocean Sciences   
  Publication Place: Sidney, British Columbia, Canada   
  ISBN/ISSN: 0711-6764   
  Notes: out of print; available as pdf by contacting M.J. Wetzel   
  Reference for: Crustipellis   
  Author(s)/Editor(s): Harman, Walter J., and Michael S. Loden   
  Publication Date: 1978   
  Article/Chapter Title: A re-evaluation of the Opistocystidae (Oligochaeta) with descriptions of two new genera   
  Journal/Book Name, Vol. No.: Proceedings of the Biological Society of Washington, vol. 91, no. 2   
  Page(s): 453-462   
  Publication Place:    
  ISBN/ISSN: 0006-324X   
  Notes: Available online at   
  Reference for: Crustipellis   
  Author(s)/Editor(s): Kathman, R. Deedee, and Ralph O. Brinkhurst   
  Publication Date: 1999   
  Article/Chapter Title: Opistocystidae   
  Journal/Book Name, Vol. No.: Guide to the Freshwater Oligochaetes of North America   
  Page(s): 28-29   
  Publisher: Aquatic Resources Center   
  Publication Place: College Grove, Tennessee, USA   
  Notes: First published Nov. 1998, revised May 1999; no isbn or issn assigned; inquiries about this guide should be sent to Dr. R.D. Kathman via post (5125 Rock Bridge Lane, Thompsons Station, Tennessee 37179 USA), or via email (R.Deedee.Kathman{AT}   
  Reference for: Crustipellis   

 Geographic Information
  Geographic Division:    



  Comment: The taxon Opistocysta flagellum (Leidy, 1880) has long been considered a species inquirenda. Harman (1970 [1969 sic]) first made this determination because Leidy's (1880) description of this taxon was inadequate [incomplete]; searching for the type material had been unsuccessful, and collections from the type locality have not yielded specimens for study that could be attributed to this taxon as originally described. The following year (in Brinkhurst and Jamieson, 1971: 642-643), this determination was reiterated: 'Both W.J. Harman and the author [R.O. Brinkhurst] have sought the type specimens in vain, and a search of the type locality has failed to yield fresh material. In view of the diversity of characters displayed by S. American material and material from the southern states of the U.S.A., it is no longer possible to accept this as a valid species. I [Brinkhurst] agree with Harman (1970 [1969 sic]) that the best course of action is to remove this contentious name from consideration in the current nomenclature of the family'... Harman and Loden (1978) re-evaluated the family, discussing further the problems in verifying the validity of historical records published in the literature, at the same time erecting two new genera in this family, Trieminentia and Crustipellis into which the former Opistocysta tribranchiata and Opistocysta corderi, respectively, were transferred as their type species; one must read the cited papers for this account to fully understand the nomenclatural and systematic history of the genus Opistocysta, and the family Opistocystidae  



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