Sipho is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of sea snail

Sea snail

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

s, marine gastropod mollusks in the 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...

 Buccinidae

Buccinidae

Buccinidae is a very large and diverse taxonomic family of large sea snails, often known as whelks or true whelks.True whelks are mostly marine gastropod mollusks in the clade Neogastropoda...

, the true whelks.

The name of the genus Sipho Mörch, 1852 [ex Klein] has become invalid and is a synonym of Colus

Colus

Colus is a genus of sea snails, marine gastropod mollusks in the family Buccinidae, the true whelks.-Species:Species within the genus Colus include:* Colus aurariae Fraussen, Rosado, Afonso & Monteiro, 2009...

Röding, 1798. A previous use of the genus name Sipho T. Brown, 1827 is now a synonym of Puncturella

Puncturella

Puncturella is a genus of minute deepwater keyhole limpets, marine gastropod mollusks or micromollusks in the family Fissurellidae, the keyhole limpets and slit limpets. -Species:Species in this genus include:* Puncturella abyssicola A.E...

Species

All the species that used to belong to the genus Sipho have become synonyms of other species in the family Buccinidae.

• Sipho astrolabiensis Strebel, 1908: synonym of Prosipho astrolabiensis (Strebel, 1908)