Lopes-Lima, M., M.M. Fonseca, D.C. Aldridge, A.E. Bogan, H.M. Gan et al. 2017. The first Margaritiferidae male (M-type) mitogenome: mitochondrial gene order as a potential character for determining higher-order phylogeny within Unionida (Bivalvia). Journal of Molluscan Studies 83: 249-252. Available electronically.
(click the figure number to see the cladogram)
+----- Pseudunio_marocanus
+--------------------+
| | +-- Margaritifera_falcata
| +--+
| +-- Margaritifera_dahurica
|
| +-------- Quadrula_quadrula
| +--------------+
| | | +----- Toxolasma_parvum
--+ | +--+
| | | +-- Lampsilis_ornata
| | +--+
| | +-- Venustaconcha_ellipsiformis
| |
| | +-- Sinohyriopsis_cumingii
| | +--------+
| | | +-- Sinohyriopsis_schlegelii
| | |
+--+ +--------+ +-- Sinosolenaia_oleivora
| | | +-----+
| | | | +-- Sinosolenaia_carinata
| | +--+
| | | +----- Potomida_littoralis
| | +--+
| | | +-- Pronodularia_japanensis
| | +--+
| | +-- Lamprotula_leaii
| |
| | +-------- Cristaria_plicata
+--+ +-----+
| | | +----- Anemina_arcaeformis
| | +--+
| | | +-- Sinanodonta_lucida
| +--+ +--+
| | | +-- Sinanodonta_woodiana
| | |
| | | +----------- Anodonta_anatina
| | +--+
| | | +-------- Platynaias_compressa
| | +--+
| | | +----- Pyganodon_grandis
+--+ +--+
| | +-- Utterbackia_peninsularis
| +--+
| +-- Utterbackia_imbecillis
|
| +-- Lanceolaria_lanceolata
| +-----------+
| | +-- Lanceolaria_grayii
| |
+--+ +-- Aculamprotula_tortuosa
| +--------+
| | +-- Aculamprotula_coreana
| |
+--+ +-- Unio_delphinus
| +-----+
| | +-- Unio_pictorum
+--+
| +----- Schistodesmus_lampreyanus
+--+
| +-- Tchangsinaia_piscicula
+--+
+-- Nodularia_douglasiae
+----------------- Pseudunio_marocanus
|
| +-- Venustaconcha_ellipsiformis
--+ +-----------+
| | +-- Quadrula_quadrula
| |
+--+ +----- Sinosolenaia_carinata
| +-----+
| | | +-- Potomida_littoralis
| | +--+
+--+ +-- Pronodularia_japanensis
|
| +-------- Unio_delphinus
+--+
| +----- Anodonta_anatina
+--+
| +-- Utterbackia_peninsularis
+--+
+-- Pyganodon_grandis