title: Pseudomelanioidea
text: # Pseudomelanioidea
  
  Pseudomelanioidea is an extinct superfamily of fossil sea snails, marine gastropod molluscs in the clade Caenogastropoda named after the family pseudomelaniidae.
  
  ## Taxonomy
  
  * † Family Pseudomelaniidae R. Hoernes, 1884
  * † Family Trajanellidae Pchelintsev, 1951
  