Alvania chilensis

{{Short description|Species of gastropod}}

{{Speciesbox

| image = Alvania chilensis 001.jpg

| image_caption = Shell of Alvania chilensis (holotype)

| taxon = Alvania chilensis

| authority = (R. A. Philippi, 1887)

|extinct=yes

| synonyms_ref =

| synonyms = † Rissoa chilensis R. A. Philippi, 1887 ·

|display_parents= 3

}}

Alvania chilensis is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.

MolluscaBase eds. (2024). MolluscaBase. Alvania chilensis (R. A. Philippi, 1887) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=880916 on 2024-02-10

Description

The length of the shell attains 1¾ mm.

The minute shell has a globose-conical shape and is imperforate. The shell contains 5½ whorls. The sculpture consists of many longitudinal ribs. The aperture is ovate-orbicular. The inner lip is incrassate.

Distribution

Fossils of this species were found in Tertiary strata in Chile.

References

{{Reflist}}