''Eupera yucatanensis'' is a species of

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 ...

that lives in fresh water. ''E. yucatanensis'' has one subspecies, ''E. y. minima''. The description of ''E. yucatanensis'' was not documented. The

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 ...

status is uncertain due to the undocumentation of the species. The

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

is also uncertain. The subspecies was discovered in 1920 by Pilsbry.

References

Sphaeriidae {{Improve categories, date=May 2022