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nominal species Diplodon (Diplodon) besckeanus nordestinus Haas, 1938

Diplodon (Diplodon) besckeanus nordestinus Haas, 1938 = Diplodon rhombeus

Haas, 1938. Arch. Moll. 70: 46, Abb. 1-3.
(intro'd as intra-sp. of Unio besckeanus Dunker, 1849)
Type(s): TYPE SMF_24362, Rio Sao Francisco, bei Jatoba, Staat Pernambuco, Bras.

Taxonomic Opinions

+ Rhipidodonta rhombea (Wagner, 1827) — Simone, 2006: 270.

= Diplodon (s.s.) besckeanus nordestinus Haas, 1938 — Haas, 1969: 517.

+ Diplodon rhombeus (Wagner in Spix, 1827) — Parodiz, 1968: 8.

= Diplodon (s.s.) besckeanus nordestinus F. Haas, 1938 — Morretes, 1949: 19.