Unionoida | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia ambigua nominal species Castalia ambigua Sowerby, 1839
‘Lamarck’ Sowerby, 1839, Conch. Man.: fig. 140.
(reference to Castalia ambigua Lamarck, 1819)
= Castalia ambigua Taxonomic Opinions
+ Tetraplodon retusus (Húpe, 1857) — Simpson, 1914
+ Tetraplodon cordatus (Sowerby in Reeve, 1869) — Ihering, 1910
+ Tetraplodon retusus (Húpe, 1857) — Simpson, 1900
+ Castalia (s.s.) cordata Humphrey — Swainson, 1840
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