Inoue, K., K.S. Cummings, J.S. Tiemann, T.D. Miller, N.A. Johnson et al. 2020. A new species of freshwater mussel in the genus Popenaias Frierson, 1927, from the Gulf coast rivers of central Mexico (Bivalvia: Unionida: Unionidae) with comments on the genus. Zootaxa 4816(4): 457-490. Available electronically.
(click the figure number to see the cladogram)
+----------------------- Quadrula_quadrula
|
| +-- Reginaia_ebenus
| +-----------------+
| | +-- Reginaia_rotulata
--+ |
| | +----- Amblema_plicata
| | +-----------+
| | | | +-- Amblema_elliottii
| | | +--+
+--+ | +-- Amblema_neislerii
| |
| | +----- Popenaias_popeii
| | +--+
| | | | +-- Popenaias_berezai
| | | +--+
| | | +-- Popenaias_semirasa
+--+ |
| +-----+ +-- Psoronaias_crocodilorum__1
| | | |
| | | +-- Psoronaias_crocodilorum__2
| | | |
| | | +-- Psoronaias_crocodilorum__3
| | | |
| | +-----+-- Psoronaias_guatemalensis__1
| | |
| | +-- Psoronaias_guatemalensis__2
+--+ |
| +-- Psoronaias_crocodilorum__4
| |
| +-- Psoronaias_crocodilorum__5
|
| +-- Glebula_rotundata
| +--------+
| | +-- Cyrtonaias_berlandierii
| |
+--+ +-------- Potamilus_alatus
| |
| | +-- Ptychobranchus_fasciolaris
+--+ +--+
| | +-- Truncilla_truncata
| |
| | +-- Ortmanniana_ligamentina
+--+ |
| +-- Epioblasma_triquetra
| |
| +-- Lampsilis_cardium
| |
+--+-- Ligumia_recta
|
+-- Cambarunio_iris
|
+-- Pachynaias_spheniopsis
|
+-- Mesonaias_explicata
+----------------------------------- Quadrula_quadrula
|
| +-- Reginaia_ebenus
| +-----------------------------+
--+ | +-- Reginaia_rotulata
| |
| | +----- Amblema_neislerii
| | +-----------------------+
| | | | +-- Amblema_plicata
+--+ | +--+
| | +-- Amblema_elliottii
| |
| | +----- Popenaias_popeii
| | +--------+
| | | | +-- Popenaias_berezai
+--+ | +--+
| +-----------+ +-- Popenaias_semirasa
| | |
| | | +----------- Psoronaias_crocodilorum__4
| | | |
| | +--+ +-- Psoronaias_crocodilorum__1
| | | +-----+
| | | | +-- Psoronaias_guatemalensis__1
| | +--+
+--+ | +----- Psoronaias_crocodilorum__3
| +--+
| | +-- Psoronaias_guatemalensis__2
| +--+
| +-- Psoronaias_crocodilorum__2
|
| +----------------------- Cyrtonaias_berlandierii
| |
+--+ +-------------------- Ptychobranchus_fasciolaris
| |
+--+ +----------------- Ligumia_recta
| |
+--+ +-------------- Potamilus_alatus
| |
+--+ +----------- Pachynaias_spheniopsis
| |
| | +-- Epioblasma_triquetra
+--+ +-----+
| | +-- Truncilla_truncata
| |
+--+ +-- Mesonaias_explicata
| +--+
| | +-- Cambarunio_iris
+--+
| +-- Ortmanniana_ligamentina
+--+
+-- Lampsilis_cardium