Zhou, C., X. Huang, S. Ouyang, J. Ouyang & X. Wu. 2017. Characterization of the complete maternal mitochondrial genome of Ptychorhynchus pfisteri (Bivalvia: Unionidae: Gonideinae). Conservation Genetics Resources 9: 233-235. Available electronically.
(click the figure number to see the cladogram)
+-------------------- Anemina_harlandi
|
| +-------- Lanceolaria_lanceolata
| |
| +--------+ +-- Nodularia_douglasiae
--+ | | +--+
| | | | +-- Tchangsinaia_piscicula
| | +--+
| | | +-- Aculamprotula_tientsinensis
| | +--+
+--+ +-- Aculamprotula_tortuosa
|
| +----- Quadrula_quadrula
| +--------+
| | | +-- Potamilus_leptodon
| | +--+
| | +-- Lampsilis_ornata
+--+
| +-- Sinohyriopsis_cumingii
| +--------+
| | +-- Sinohyriopsis_schlegelii
| |
+--+ +-- Lamprotula_caveata
| +-----+
| | +-- Lamprotula_leaii
+--+
| +----- Ptychorhynchus_pfisteri
+--+
| +-- Sinosolenaia_carinata
+--+
+-- Sinosolenaia_oleivora