Bivalvia

nominal species Unio porrectus Sowerby, 1829

Unio porrectus Sowerby, 1829 = nomen dubium

Sowerby, 1829. Mineral Conchology 6: 189, pl. 594, fig. 1.

Taxonomic Opinions

= Unio porrectus Sow. — Zittel, 1881: 60.

+ — Lea, 1838: 26.