The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!
Publication Freeman et al. (2025): cladograms publication summary | cladograms Complete CitationFreeman, 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.
Cladogram Figures(click the figure number to see the cladogram) Cladogram Figure 2
+----- Pachynaias_spheniopsis
+--------+
| | +-- Sphenonaias_microdon
| +--+
--+ +-- Cyrtonaias_explicata
|
| +----------- Popenaias_popeii
| |
+--+ +-------- Nephronaias_tempisquensis
| |
+--+ +----- Psoronaias_guatemalensis
| |
+--+ +-- Psoronaias_usumasintae
| |
| +-- Psoronaias_semigranosa
+--+
+-- Psoronaias_profunda
|
+-- Psoronaias_percompressa
Cladogram Figure 3
+-- Nephronaias_tempisquensis
+--------+
| +-- Popenaias_popeii
+--+
| | +-------- Toxolasma_lividum
| +--+
| | +----- Obliquaria_reflexa
| +--+
| | +-- Glebula_rotundata
--+ +--+
| +-- Cyrtonaias_tampicoensis
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+-----+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa
Cladogram Figure 4
+----- Obliquaria_reflexa
|
+----- None
|
+-----+ +-- Glebula_rotundata
| +--+
| | +-- Cyrtonaias_tampicoensis
| |
| | +-- Nephronaias_tempisquensis
| +--+
--+ +-- Popenaias_popeii
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+--+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa
Cladogram Figure 5
+-- Nephronaias_tempisquensis
+-----+
| +-- Popenaias_popeii
+--+
| | +----- Obliquaria_reflexa
| +--+
| | +-- Glebula_rotundata
| +--+
--+ +-- Cyrtonaias_tampicoensis
|
| +-- Amblema_plicata
| +-----+
| | +-- Plectomerus_dombeyanus
| |
+--+ +-- Pleurobema_sintoxia
| +--+
| | +-- Fusconaia_flava
+--+
| +-- Quadrula_quadrula
+--+
+-- Pustulosa_pustulosa
|