Johnson, N.A., C.H. Smith, J.M. Pfeiffer, C.R. Randklev, J.D. Williams & J.D. Austin. 2018. Integrative taxonomy resolves taxonomic uncertainty for freshwater mussels being considered for protection under the U.S. Endangered Species Act. Scientific Reports 8. 15892 (16 pp.). https://doi.org/10.1038/s41598-018-33806-z.
(click the figure number to see the cladogram)
+-------------------------------- Amblema_plicata
|
--+ +----------------------------- Elliptio_crassidens
| |
+--+ +-------------------------- Megalonaias_nervosa
| |
+--+ +----------------------- Uniomerus_tetralasmus
| |
+--+ +-------------------- Theliderma_metanevra
| |
| | +-- Quadrula_quadrula
+--+ +--------------+
| | +-- Quadrula_verrucosa
| |
| | +----- Pustulosa_kieneriana
+--+ +--------+
| | | +-- Pustulosa_infucata
| | +--+
| | +-- Pustulosa_kleiniana
+--+
| +-- Pustulosa_pustulosa
| +--------+
| | +-- Pustulosa_succissa
+--+
| +-------- Cyclonaias_tuberculata
+--+
| +----- Pustulosa_necki
+--+
| +-- Pustulosa_nodulata
+--+
+-- Pustulosa_petrina