Spiriferinida

After Emig & Pardo, 2003- ["The BrachNet"]

<==o Spiriferinida
   `--o †Cyrtinidina
      |-- †Cyrtinoidea
      |-- †Suessioidea
      |-- †Spondylospiroidea
      |-- †Pennospiriferinoidea
      |-- †Spiriferinoidea
      `-- †Syringothyridoidea

Emig, C. C. & Pardo, M. V., 2003-: Divisions of the Brachipoda from families.
–iNet: The BrachNet: Classification des Brachiopoda: http://www.com.univ-mrs.fr/EuroBrachNet/CLASS/Class.htm