MolluscaBase taxon details


415  (

Odhner, 1940


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  1. Order Cyrtonellida †
  2. Order Neopilinida
  3. Order Sinuitopsida †
  4. Subclass Tergomya †
  5. Order Tryblidiida †
  6. Order Multifariida † accepted as Cyclocyrtonelloidae Horný, 1962 † (unaccepted > junior subjective synonym)
  7. Order [unassigned] Monoplacophora † (temporary name)
marine, brackish, fresh, terrestrial
recent + fossil
Wenz W. 1940. Ursprung und frühe Stammesgeschichte der Gastropoden. <i>Archiv für Molluskenkunde</i> 72: 1-110.  [details]   
MolluscaBase eds. (2024). MolluscaBase. Monoplacophora. Accessed at: on 2024-02-23
2004-12-21 15:54:05Z
2009-01-30 14:43:20Z
2010-07-13 11:32:11Z
2021-11-10 20:22:35Z

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License

original description Wenz W. 1940. Ursprung und frühe Stammesgeschichte der Gastropoden. <i>Archiv für Molluskenkunde</i> 72: 1-110.  [details]   

context source (PeRMS) Ramírez, R.; Paredes, C.; Arenas, J. (2003). Moluscos del Perú. <em>Revista de Biologia Tropical.</em> 51(supplement 3): 225-284. [details]  Available for editors  PDF available [request] 

basis of record An outline for the classification of Phylum Mollusca in taxonomic databases [report elaborated by WoRMS editors for internal use, june 2010] [details]  OpenAccess publication 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Classification The only classification problem with modern monoplacophorans is the discussion around using Monoplacophora Odhner, 1940 vs. Tryblidiida. Monoplacophora sl. as defined in Runnegar & Jell (1976) would include three orders among which Tryblidiida. Problems arise from the ambiguous position of some paleozoic fossil taxa which could be monoplacophorans or gastropods, or (worse) stem-group gastropods derived from monoplacophorans, thus making Monoplacophora paraphyletic. Preference for the name Tryblidiida follows Waller's (1998) conclusion that these are the sister-group to all other Conchifera, thus escaping being paraphyletic. Giribet et al. (2006: Proceedings of the National Academy of Sciences 103, 7723-7728) claimed that the monoplacophoran Laevipilina is recovered within a branch containing polyplacophoran taxa in an analysis including several nuclear and mitochondrial sequences. As mentioned above, this result based on a very small specimen is ignored in the classification draft until further confirmed.  [details]
Dutch mutsweekdierenmutsslakken  [details]
English monoplacophorans  [details]

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