Metacerithiidae Temporal range: 145.5–55.8 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N
Metacerithium balticum fossil at the Geological Museum, Copenhagen.
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Superfamily:	Campaniloidea
Family:	Metacerithiidae Cossmann, 1906
Synonyms
† Terebrellidae Delpey, 1941 (invalid: type genus a junior homonym )

Metacerithiidae is an extinct family of fossil sea snails, marine gastropod molluscs in the superfamily Campaniloidea.^[2]

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Metacerithiidae has no subfamilies.

Genera

Genera within the family Metacerithiidae include:

• † Diatrypesis Tomlin, 1929
• † Metacerithium Cossmann, 1906^[3] - the type genus
• † Nerineopsis Cossmann, 1906

Synonyms

• † Terebrella Andreae, 1887 : synonym of † Diatrypesis Tomlin, 1929 (invalid: junior homonym of Terebrella Maltzan, 1887; Trypetes Tomlin, 1929, is a replacement name)
• † Trypetes Tomlin, 1929 : synonym of † Diatrypesis Tomlin, 1929 (invalid: junior homonym of Trypetes Schenck, 1859; Diatrypesis is a replacement name)