Terebrellidae is an extinct family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of sea snail

Sea snail

Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....

s, fossil

Fossil

Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

 marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod molluscs in the clade

Clade

A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 Sorbeoconcha

Sorbeoconcha

Sorbeoconcha is a taxonomic clade of snails, i.e. gastropods, mainly marine species with gills and opercula, within the clade Caenogastropoda.The taxon Sorbeoconcha was named by Winston Ponder and David R. Lindberg in 1997.-1997 taxonomy:...

. However Terebrellidae is not a valid name

Valid name (zoology)

In zoological nomenclature, the valid name of a taxon is the zoological name that is to be used for that taxon following the rules in the International Code of Zoological Nomenclature . In other words: a valid name is the correct zoological name of a taxon.In contrast, an invalid name is a name...

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According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005)

Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)

The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

 the family Terebrellidae has no subfamilies.

Genera

Terebrella Andreae, 1887 is the type genus of the family Terebrellidae, it is a junior homonym of Terebrella Maltzan, 1886.

Trypetes Tomlin, 1929 is a nomen novum

Nomen novum

In biological nomenclature, a nomen novum , new replacement name is a technical term...

 for Terebrella Andreae, 1887. Trypetes Tomlin, 1929 is also a homonym, so another nomen novum has been established: Diatrypesis Tomlin, 1929 is a nomen novum for Trypetes Tomlin, 1929.

Kaim (2004) classified the genus Diatrypesis in an uncertain family within the Cerithioidea

Cerithioidea

The Cerithioidea is a superfamily of marine, brackish water and freshwater gastropod containing more than 200 genera. The Cerithoidea are included in the clade Sorbeoconcha. The original name of this superfamily was Cerithiacea, in keeping with common superfamily endings at the time.- Ecology...

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• Diatrypesis guerrei (Hébert et Eudes-Deslongchamps, 1860)
• Diatrypesis kurushini Kaim, 2004
• Diatrypesis newelli