Freeman, E.-J.G., W.G. Bauer, R.H. Easy, R.Q. Céspedes, S.A. Valverde & D.T. Stewart. 2025. Phylogenetic analysis of the freshwater mussel Nephronaias tempisquensis (Bivalvia: Unioinidae: Popenaiadini) from Costa Rica. Malacologia 67(1/2): 241-255. Available electronically.
(click the figure number to see the cladogram)
+-- Mesonaias_explicata
+-----------+
| +-- Pachynaias_spheniopsis
--+
| +----------- Popenaias_popeii
+--+
| +-------- Nephronaias_tempisquensis
+--+
| +----- Psoronaias_crocodilorum__2
+--+
| +-- Psoronaias_crocodilorum__1
+--+
+-- Psoronaias_guatemalensis
+-- Nephronaias_tempisquensis
+--------+
| +-- Popenaias_popeii
+--+
| | +-------- Toxolasma_lividum
| +--+
| | +----- Obliquaria_reflexa
| +--+
| | +-- Glebula_rotundata
--+ +--+
| +-- Cyrtonaias_berlandierii
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+-----+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa
+----- Obliquaria_reflexa
|
+----- Toxolasma_lividum
|
+-----+ +-- Glebula_rotundata
| +--+
| | +-- Cyrtonaias_berlandierii
| |
| | +-- Nephronaias_tempisquensis
| +--+
--+ +-- Popenaias_popeii
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+--+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa
+-- Nephronaias_tempisquensis
+-----+
| +-- Popenaias_popeii
+--+
| | +----- Obliquaria_reflexa
| +--+
| | +-- Glebula_rotundata
| +--+
--+ +-- Cyrtonaias_berlandierii
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+--+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa