Bolotov, I.N., Y.V. Bespalaya, I.V. Vikhrev, O.V. Aksenova, P.E. Aspholm et al. 2015. Taxonomy and distribution of freshwater pearl mussels (Unionoida: Margaritiferidae) of the Russian Far East. PLoS One 10(5), e0122408: 1-30. Available electronically.
(click the figure number to see the cladogram)
+-------------- Unio_pictorum
|
| +----------- Margaritifera_margaritifera
--+ |
| | +----- Margaritifera_dahurica__1
| | |
| +-----+----- Margaritifera_dahurica__2
+--+ |
| | +-- Pseudunio_auricularius
| +--+
| +-- Cumberlandia_monodonta
|
| +-------- Margaritifera_falcata
+--+
| +----- Margaritifera_laevis
+--+
| +-- Margaritifera_middendorffi
+--+
+-- Margaritifera_marrianae
+----------------- Unio_pictorum
|
--+ +-------------- Cumberlandia_monodonta
| |
| | +-- Pseudunio_auricularius
+--+ +--------+
| | +-- Pseudunio_marocanus
| |
+--+ +-- Margaritifera_dahurica
| +-----+
| | +-- Margaritifera_margaritifera
+--+
| +----- Margaritifera_falcata
+--+
| +-- Margaritifera_middendorffi
+--+
+-- Margaritifera_laevis