The shell is rounded or subtriangular and the valves markedly convex. The surface has irregular striations and moderately dense pores. The hinge plate is narrow and the cardinal teeth slightly bent. Presiphonal mantle suture short. Outer demibranch posterior. It reaches 4.2 mm in length.
Pisidium (Euglesia) tasmanicum Tenison-Woods, 1876
Common name: Pea shell
Genus Pisidium Pfeiffer, 1821
Subgenus Euglesa Jenyns, 1832
Original name: Pisidium tasmanicum Tenison Woods, 1876. Tenison Woods, J. F. (1876). On the freshwater shells. Papers and Proceedings of the Royal Society of Tasmania 1875: 66-82.
Type locality: ?Browns River, Tasmania.
South-eastern Australia including Tasmania.
Kuiper, J. G. J. (1983). The Sphaeriidae of Australia. Basteria 47: 3-52.
Lamprell, K. & Healy, J. (1998). Bivalves of Australia, volume 2. Leiden, Backhuys Publishers.
Smith, B. J. (1992). Non-marine Mollusca. Pp. i-xii, 1-408 in W. W. K. Houston. Zoological Catalogue of Australia, 8. Canberra, Australian Government Publishing Service.
Smith, B. J. & Kershaw, R. C. (1979). Field guide to the non-marine Molluscs of South-eastern Australia. Canberra, A.N.U. Press.
Smith, B. J. & Kershaw, R. C. (1981). Tasmanian Land and Freshwater Molluscs. Hobart, University of Tasmania.
Tenison Woods, J. F. (1876). On the freshwater shells. Papers and Proceedings of the Royal Society of Tasmania 1875: 66-82.