The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini genus Pachynaias Crosse & Fischer, 1894: cladomics
1 Recent valid species (1 total species) Cladomics Summarynumber of species = 1 (1 total)
analyzed in 8 cladograms in 5 publications
maximum number of terminals in an analysis =
1 (mean = 1, median = 1)
Pfeiffer et al., 2019 [Publ 3866], fig. 1 ** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram ** iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 11 | 11 | -- | +-- Cyrtonaias
+--------------------+
| +-- Glebula
--+
| +-------------------- Potamilus
| |
+--+ +-- Truncilla
| +--------------+
| | +-- Ptychobranchus
+--+
| +-------------- Pachynaias_spheniopsis **
| |
+--+ +----------- Mesonaias
| |
+--+ +-- Lampsilis
| +-----+
| | +-- Ortmanniana
+--+
| +----- Cambarunio
+--+
| +-- Epioblasma
+--+
+-- Ligumia
Pfeiffer et al., 2019 [Publ 3937], fig. 4-5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 56 | 4 | 4 | -- | +----------- Obliquaria
--+
| +-------- Cyrtonaias
+--+
| +----- Leaunio
+--+
| +-- Lampsilis
+--+
+-- Pachynaias_spheniopsis **
Smith et al., 2020 [Publ 4129], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 27 | 19 | 7 | -- | +-------------- Obliquaria
|
--+ +----------- Cyrtonaias
| |
| | +-- Pachynaias_spheniopsis **
+--+ +-----+
| | +-- Lampsilis
| |
+--+ +-- Ellipsaria
| +--+
| | +-- Truncilla
+--+
| +-- Atlanticoncha
+--+
+-- Potamilus
Freeman et al., 2025 [Publ 4443], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 5 | 1 | 1 | -- | +-- Mesonaias
--+
+-- Pachynaias_spheniopsis **
Pfeiffer et al., 2019 [Publ 3937], fig. 6 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 56 | 4 | 4 | -- | +----------- Obliquaria
--+
| +-------- Cyrtonaias
+--+
| +----- Leaunio
+--+
| +-- Lampsilis
+--+
+-- Pachynaias_spheniopsis **
Smith et al., 2020 [Publ 4129], fig. 2-3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 27 | 19 | 7 | -- | +-------------- Obliquaria
|
--+ +----------- Cyrtonaias
| |
| | +-- Pachynaias_spheniopsis **
+--+ +-----+
| | +-- Lampsilis
| |
+--+ +-- Ellipsaria
| +--+
| | +-- Truncilla
+--+
| +-- Atlanticoncha
+--+
+-- Potamilus
Inoue et al., 2020 [Publ 4128], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 22 | 11 | 11 | -- | +-- Glebula
+--------+
| +-- Cyrtonaias
|
--+ +-------- Potamilus
| |
| | +-- Ptychobranchus
+--+ +--+
| | +-- Truncilla
| |
| | +-- Ortmanniana
+--+ |
| +-- Epioblasma
| |
| +-- Lampsilis
| |
+--+-- Ligumia
|
+-- Cambarunio
|
+-- Pachynaias_spheniopsis **
|
+-- Mesonaias
Inoue et al., 2020 [Publ 4128], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 21 | 10 | 10 | -- | +----------------------- Cyrtonaias
|
--+ +-------------------- Ptychobranchus
| |
+--+ +----------------- Ligumia
| |
+--+ +-------------- Potamilus
| |
+--+ +----------- Pachynaias_spheniopsis **
| |
| | +-- Epioblasma
+--+ +-----+
| | +-- Truncilla
| |
+--+ +-- Mesonaias
| +--+
| | +-- Cambarunio
+--+
| +-- Ortmanniana
+--+
+-- Lampsilis
|
