Manendo, T.J., M.A. Campbell, H.H. Gilroy & E.C. Masteller. 2008. Analysis of rDNA regions of five freshwater unionid mussel species in Presque Isle Bay, southeastern Lake Erie. Journal of Great Lakes Research 34: 204-209. https://doi.org/10.3394/0380-1330(2008)34[204:AORROF]2.0.CO;2.
(click the figure number to see the cladogram)
+-- Lampsilis_siliquoidea
+-----+
| +-- Sagittunio_nasutus
+-----+
| | +----- Amblema_plicata
| +--+
| | +-- Pleuronaia_dolabelloides
| +--+
| +-- Fusconaia_flava
--+
| +----- Unio_crassus
| +-----+
| | | +-- Unio_pictorum
| | +--+
| | +-- Unio_tumidus
+--+
| +-- Anodonta_cygnea
| +-----+
| | +-- Anodonta_anatina
+--+
| +----- Pseudanodonta_complanata
+--+
| +-- Platynaias_subviridis
+--+
+-- Pyganodon_grandis