Araujo, R., D. Buckley, K.-O. Nagel, R. García-Jiménez & A. Machordom. 2018. Species boundaries, geographic distribution and evolutionary history of the Western Palearctic freshwater mussels Unio (Bivalvia: Unionidae). Journal of the Linnean Society, Zoology 182(2): 275-299. Available electronically.
(click the figure number to see the cladogram)
+-------------------------- Pseudunio_auricularius
|
| +----- Anodonta_anatina
--+ +-----------------+
| | | +-- Pyganodon_grandis
| | +--+
| | +-- Alasmidonta_marginata
+--+
| +-------------------- Nodularia_douglasiae
| |
| | +-- Unio_durieui
+--+ +--------------+
| | +-- Unio_gibbus
| |
+--+ +-------------- Unio_tumidus
| |
| | +-------- Unio_tumidiformis
| | +--+
+--+ | | +----- Unio_desectus
| | +--+
| | | +-- Unio__1
| | +--+
+--+ +-- Unio_ionicus
|
| +-- Unio_delphinus
| +--+
| | +-- Unio_foucauldianus
| |
+-----+ +-- Unio_pictorum
| |
| +-- Unio_elongatulus
| |
+--+-- Unio_mancus
|
+-- Unio_ravoisieri
|
+-- Unio__2