Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium simile nominal species Sphaerium sulcatum var. insigne Sterki, 1916
Sterki, 1916, Ann. Carnegie Mus. 10(3/4): ??.
(intro'd as intra-sp. of Cyclas sulcata Lamarck, 1818)
= Sphaerium simile Taxonomic Opinions
+ Sphaerium (s.s.) simile (Say, 1816) — Burch, 1975
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