Clisospiroidea
Encyclopedia
Clisospiroidea is an extinct taxonomic superfamily
of fossil
sea snail
s, marine
gastropod molluscs.
Families:
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 fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
sea snail
Sea snail
Sea snail is a common name for those snails that normally live in saltwater, marine gastropod molluscs....
s, 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.
Families:
- † ClisospiridaeClisospiridaeClisospiridae is an extinct taxonomic family of sea snails, marine gastropod molluscs.This family consists of three following subfamilies :...
- † OnychochilidaeOnychochilidaeOnychochilidae is an extinct family of small, upper Cambrian to lower Devonian, hyperstrophically coiled molluscs, generally with smooth whorls and elongate apertures, commonly regarded as gastropods....