:''The

Jurassic The Jurassic ( ) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The Jurassic constitutes the middle period of ...

Astartidae

clam Clam is a common name for several kinds of bivalve molluscs. The word is often applied only to those that are edible and live as infauna, spending most of their lives halfway buried in the sand of the seafloor or riverbeds. Clams have two shel ...

erroneously named ''Oxyloma'' by Gardner and Campbell in 2002 is now known as '' Oxyeurax. ''Oxyloma'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of air-breathing land snails,

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

pulmonate gastropod

mollusk 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 e ...

s in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Succineidae, the ambersnails.

Species

The genus ''Oxyloma'' includes the following

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

and subspecies:
animal diversity species list *'' Oxyloma decampi'' - Marshall ambersnail *'' Oxyloma deprimidum'' *''

Oxyloma elegans ''Oxyloma elegans'' is a species of small European land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Succineidae, the amber snails. Description The shell usually has fewer than 3 whorls. The body whorl is very la ...

'' ( Risso, 1826) *'' Oxyloma effusum'' - coastal plain ambersnail *'' Oxyloma groenlandicum'' - ruddy ambersnail *'' Oxyloma hawkinsi'' - boundary ambersnail *'' Oxyloma haydeni'' (W. G. Binney, 1858) **'' Oxyloma haydeni haydeni'' (W. G. Binney, 1858) - Niobrara ambersnail **'' Oxyloma haydeni kanabense'' (Pilsbry, 1948) - Kanab ambersnail *'' Oxyloma missoula'' Hubricht, 1982 - ninepipes ambersnail *'' Oxyloma nuttallianum'' - oblique ambersnail * ''

Oxyloma patentissima ''Oxyloma patentissima'' is a species of land snail, a terrestrial pulmonate gastropod mollusk in the family Succineidae, the amber snails. van Bruggen A. C. & Appleton C. C. (1977). "Studies on the ecology and systematics of the terrestrial ...

'' (Pfeiffer, 1853) van Bruggen A. C. & Appleton C. C. (1977). "Studies on the ecology and systematics of the terrestrial molluscs of the lake

Sibaya Sibaya is a hamlet in the Altiplano of northern Chile. As of 2017 Sibaya had 46 inhabitants and 123 homes. It has an irrigation system based on underground aqueducts tapping an aquifer. The hamlet was badly hit by the 2005 Tarapacá earthquake ...

area of Zululand, South Africa". ''

Zoologische Verhandelingen ''Zoologische Verhandelingen'' was a Dutch scientific journal covering research in zoology. It was published between 1948 and 2002 by the Rijksmuseum van Natuurlijke Historie in Leiden Leiden (; in English and archaic Dutch also Leyden) ...

'' 154: 3-48. page 21-23
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*'' Oxyloma peoriense'' - depressed ambersnail *'' Oxyloma retusum'' (Lea, 1834) - blunt ambersnail * ''

Oxyloma sarsii ''Oxyloma sarsii'' is a species of small European land snail, a terrestrial pulmonate gastropod mollusk belonging to the family Succineidae, the amber snails. Description Only reliably separated from the very similar '' Oxyloma elegans'' by ...

'' (Esmark & Hoyer, 1886) *'' Oxyloma salleanum'' - Louisiana ambersnail *'' Oxyloma sillimani'' - Humboldt ambersnail *'' Oxyloma subeffusum'' - Chesapeake ambersnail *'' Oxyloma verrilli'' - maritime ambersnail

Conservation status

The only ''Oxyloma'' species or subspecies listed in the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

of 2006 is the Kanab ambersnail (''Oxyloma haydeni kanabense''), which is critically endangered. No others have been assessed by the IUCN. The Niobrara ambersnail (''Oxyloma haydeni haydeni'') is listed as a "Wyoming Species of Greatest Conservation Need" by the Wyoming Game and Fish Department.

References

{{Taxonbar, from=Q3076528 Succineidae