After Emig & Pardo, 2003- ["The BrachNet"], Williams, 2003, Holmer, Popov, Streng & Miller, 2005, and Emig, Bitner & Álvarez, 2013

<==o Lingulida Waagen, 1885 sensu stricto
   |--o Linguloidea Menke, 1828
   |  |?- †Rowellella
   |  |-- †Ligulasmatidae
   |  `--+-- †Pseudolingulidae
   |     `--o Lingulidae Menke, 1828
   |        |--o Credolingula
   |        |  |-- C. olferievi
   |        |  `-- C. subtruncata
   |        |--o Glottidia Dall, 1870
   |        |  |-- G. albida (Hinds, 1844)
   |        |  |?- G. antarctica
   |        |  |-- G. audebarti (Broderip, 1835)
   |        |  |?- G. bravardi
   |        |  |?- G. dumortieri
   |        |  |?- G. inexpectans
   |        |  |-- G. palmeri Dall, 1871
   |        |  |-- G. pyramidata (Stimpson, 1860)
   |        |  `-- G. semen (Broderip, 1835)
   |        |--o Lingula Bruguière, 1791 
   |        |  |-- L. adamsi Dall, 1873
   |        |  |-- L. anatina Lamarck, 1801
   |        |  |?- L. dregeri
   |        |  |?- L. eocenica
   |        |  |-- L. parva Smith, 1872
   |        |  |-- L. reevii Davidson, 1880
   |        |  |?- L. rostrum (Shaw, 1797)
   |        |  |?- L. tenuis
   |        |  |-- L. translucida Dall, 1920
   |        |  |-- L. tumidula Reeve, 1841
   |        |  `?- L. waikatoensis
   |        |--o Lingularia
   |        |  |-- L. michailovae
   |        |  |-- L. siberica
   |        |  |-- L. similis
   |        |  `-- L. smirnovae
   |        `?- Paterula
   `--+--o †Obolidae King, 1846
      |  |?-o †Schizotreta Kutorga, 1848
      |  |  `-- †S. elliptica (Kutorga, 1846)
      |  |--o †Obolinae King, 1846
      |  |  `--o †Spinilingula Cooper, 1956
      |  |     |-- †S. prisca Holmer, Popov, Streng & Miller, 2005
      |  |     |-- †S. bracteata Krause & Rowell, 1975
      |  |     `-- †S. radiolamellosa Holmer, 1989
      |  `--o †Glossellinae Cooper, 1956
      |     `-- †Gossellinae genera et species indet. [L.Ord. NA. (House Formation)] [Holmer, Popov, Streng & Miller, 2005]
      `--+--+-- †Aulonotretidae
         |  `-- †Lingulellotretidae
         `--+--o †Zhanatellidae Koneva, 1986
            |  |-- †Zhanatellidae genera et species indet. [L.Ord. NA. (House Formation)] [Holmer, Popov, Streng & Miller, 2005]
            |  |--o †Zhanatella
            |  |  `-- †Z. utahensis Popov et al., 2002
            |  `--o †Wahwahlingula Popov, Holmer & Miller, 2002
            |     |-- †W. antiquissima (Jeremejew, 1856)
            |     `-- †W. sevierensis Holmer, Popov, Streng & Miller, 2005
            |-- †Elkaniidae
            `-- †Dysoristidae

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