''Crommium'' is an extinct genus of

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

s in the family

Ampullinidae Ampullinidae are a mostly extinct taxonomic family of deep-water sea snails, marine gastropod molluscs in the clade Caenogastropoda.Bouchet, P. (2013). Ampullinidae. Accessed through: World Register of Marine Species at http://www.marinespecies.o ...

Species

Species within the genus ''Crommium'' include:Fossilworks
/ref> *† ''Crommium andersoni'' Dickerson, 1914 *† '' Crommium angustatum'' Grateloup, 1828 *† ''Crommium ferrugineum'' (Great.) *† ''Crommium globosa'' Perrilliat ''et al.'', 2006 *† ''Crommium hosgori'' Pacaud, 2016 *† ''Crommium intermedia'' Deshayes, 1832 *† ''Crommium masinguiensis'' Clark and Durham, 1946 *† ''Crommium palmasensis'' Clark and Durham, 1946 *† ''Crommium palmerae'' Clark and Durham, 1946 *† ''Crommium perovatum'' Conrad, 1846 *† ''Crommium pinyonensis'' Dickerson, 1914 *† ''Crommium pseudowillemeti'' Eames, 1952 *† ''Crommium rouaulti'' d'Archiac and Haime, 1854 *† ''Crommium willemettii'' Deshayes, 1825 Fossils of the sea snails within this genus have been found in sediments of Europe, United States,

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

, Somalia and Nigeria from Paleocene to Eocene (age range: 61.7 to 23.03 million years ago). Image:Crommium acutum 01.jpg, '' Crommium acutum'' File:Crommium ponderosum 01.jpg, '' Crommium ponderosum''

References

"I molluschi dei terreni terziarii del Piemonte e della Liguria"
Ampullinidae Paleocene first appearances Eocene genus extinctions Prehistoric gastropod genera {{Caenogastropoda-stub