Pisidium milium

{{Speciesbox

| image = Pisidium milium.svg

| image2 = PisidiumMiliumDanmarksFauna.jpg

| image_caption = Drawing of the left valve internal view of Pisidium milium

| image2_caption = Drawing from Dansk Fauna showing the valve articulation and the rectangular form

| status = LC

| status_system = IUCN3.1

| status_ref = (Global,Europe)

| status2 = PE

| status2_system = IUCN3.1

| status2_ref = {{cite iucn |author=Van Damme, D. |author2=Ghamizi, M. |year=2010 |title=Pisidium milium (Northern Africa & Pan-Africa assessment) |volume=2010 |page=e.T155923A4866857 |doi= |access-date=30 June 2024}} (North & Pan-Africa)

| taxon = Pisidium milium

| authority = Held, 1836

}}

Pisidium milium is a species of very small freshwater bivalve in the family Sphaeriidae, the fingernail clams and pea clams.

Description

The 3.0- to 4.5-mm shell is tumid (swollen). It is more rectangular than other Pisidium species and has broad, swollen umbos which lie behind the midpoint. The surface (periostracum) is very glossy, with irregular, concentric striae. The colour is yellow to pale brown.

Distribution

The native distribution of this species is Holarctic.

Czech Republic –in Bohemia, in Moravia,Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. [Annotated list of mollusc species recorded outdoors in the Czech and Slovak Republics]". Malacologica Bohemoslovaca, Suppl. 1: 1-37. [http://mollusca.sav.sk/pdf/9/Suppl-1-v2.pdf PDF]. {{in lang|cs}} vulnerable (VU)Red List of the molluscs (Mollusca) of the Czech Republic http://mollusca.sav.sk/malacology/redlist.htm
Slovakia
Germany – (Arten der Vorwarnliste)Glöer P. & Meier-Brook C. (2003) Süsswassermollusken. DJN, pp. 134, page 109, {{ISBN|3-923376-02-2}}
Nordic countries: Denmark, Faroes, Finland, Iceland, Norway and Sweden{{Citation

| last = Kuiper

| first = J. G. J.

| title = Geographical distribution of the small mussels (Sphaeriidae) in North Europe (Denmark, Faroes, Finland, Iceland, Norway and Sweden)

| journal = Annales Zoologici Fennici

| volume = 26

| issue = 2

| year = 1989

| pages = 73–101

| url =http://www.sekj.org/PDF/anzf26/anz26-073-101.pdf}}

Great Britain and IrelandRoy Anderson ,2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005)

[http://www.conchsoc.org/sites/default/files/MolluscWorld/Anderson-2008.pdf].

References

External links

[http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=2073 Pisidium milium] at Animalbase taxonomy,short description, biology,status (threats), images
[http://www.barcodinglife.org/index.php/Taxbrowser_Taxonpage?taxid=449612 Images] at BOLD.

milium

Category:Bivalves described in 1836