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!
Search the database pages:
Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae | Rectidentini | Contradentina genus Trapezoideus Simpson, 1900: cladomics
5 Recent valid species (5 total species) Cladomics Summarynumber of species = 5 (5 total)
analyzed in 28 cladograms in 19 publications
maximum number of terminals in an analysis =
5 (mean = 1.61, median = 1) Basic Monophylynumber of cladograms that test basic monophyly
(i.e., more than 1 included species) = 8
maximum number of included terminals = 5, (mean =
3.13 median = 3)
proportion of cladograms that support basic monophyly
= 1
Pairwise Cladogram ClusteringThe graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.
Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14 ** Top Monophyly Cladogram ** iT| tT | bi | riS | oT | roT | roS | iD | | 5 | 5 | 3 | 5 | 626 | 26 | 3 | 0 | +-- Physunio_modelli
+--------------------+
| +-- Physunio_pellucidus
|
--+ +-- Physunio_massini
| +-----------------+
| | +-- Physunio_superbus
+--+
| +----------------- Physunio
| |
+--+ +-- Yaukthwa
| +-----------+
| | +-- Lens
+--+
| +----------- Trapezoideus_mitanensis **
+--+
| +-------- Trapezoideus_lenya **
+--+
| +----- Trapezoideus_foliaceus **
+--+
| +-- Trapezoideus_thachiadensis **
+--+
+-- Trapezoideus_subviridis **
Pfeiffer et al., 2021 [Publ 4126], fig. 9 ** Top Sister-Group Cladogram ** iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 27 | 13 | 4 | -- | +----- Physunio
+--+
| | +-- Trapezoideus_subviridis **
| +--+
--+ +-- Trapezoideus_foliaceus **
|
| +----- Yaukthwa
+--+
| +-- Solenaia
+--+
+-- Lens
Konopleva et al., 2023 [Publ 4262], fig. 8 iT| tT | bi | riS | oT | roT | roS | iD | | 5 | 5 | 3 | 5 | 77 | 14 | 3 | 4 | +-- Yaukthwa
+-----------+
| +-- Lens
--+
| +----------- Physunio
| |
+--+ +-- Trapezoideus_thachiadensis **
| +-----+
| | +-- Trapezoideus_subviridis **
+--+
| +----- Trapezoideus_mitanensis **
+--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Trapezoideus_lenya **
Pfeiffer et al., 2021 [Publ 4126], fig. 18 iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 5 | 5 | 2 | 4 | +----------- Yaukthwa
--+
| +-------- Physunio
+--+
| +----- Trapezoideus_foliaceus **
+--+
| +-- Trapezoideus_lenya **
+--+
+-- Trapezoideus_subviridis **
Bolotov et al., 2022 [Publ 4250], fig. 8 iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 46 | 9 | 1 | 2 | +-------- Yaukthwa
--+
| +----- Trapezoideus_mitanensis **
+--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Trapezoideus_lenya **
Bolotov et al., 2022 [Publ 4250], fig. S5 iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 12 | 12 | 2 | 4 | +----------- Yaukthwa
--+
| +-------- Physunio
+--+
| +----- Trapezoideus_foliaceus **
+--+
| +-- Trapezoideus_lenya **
+--+
+-- Trapezoideus_mitanensis **
Bolotov et al., 2020 [Publ 4100], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 115 | 21 | 3 | -- | +-- Yaukthwa
+-----+
| +-- Lens
--+
| +----- Physunio
+--+
| +-- Trapezoideus_lenya **
+--+
+-- Trapezoideus_foliaceus **
Bolotov et al., 2020 [Publ 4100], fig. S1 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 109 | 21 | 3 | -- | +-------- Physunio
|
--+ +-- Trapezoideus_lenya **
| +--+
| | +-- Trapezoideus_foliaceus **
+--+
| +-- Lens
+--+
+-- Yaukthwa
Jeratthitikul et al., 2021 [Publ 4219], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 34 | 2 | 2 | -- | +----- Lens
--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Physunio
Zieritz et al., 2021 [Publ 4218], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 6 | 3 | -- | +-------- Physunio
--+
| +----- Trapezoideus_foliaceus **
+--+
| +-- Lens
+--+
+-- Yaukthwa
Jeratthitikul et al., 2022 [Publ 4260], fig. S2_2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 75 | 2 | 2 | -- | +----- Lens
--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Physunio
Konopleva et al., 2019 [Publ 3900], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 50 | 15 | 3 | -- | +-------- Yaukthwa
--+
| +----- Physunio
+--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Lens
Pfeiffer et al., 2018 [Publ 3827], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 6 | 3 | 2 | -- | +-- Physunio
|
--+-- Trapezoideus **
|
+-- Lens
Jeratthitikul et al., 2022 [Publ 4260], fig. S1_1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 75 | 2 | 2 | -- | +----- Lens
--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Physunio
Konopleva et al., 2019 [Publ 4041], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 33 | 18 | 3 | -- | +-------- Yaukthwa
--+
| +----- Lens
+--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Physunio
Liu et al., 2024 [Publ 4380], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +-- Physunio
+--+
| +-- Trapezoideus_foliaceus **
--+
| +-- Lens
+--+
+-- Yaukthwa
Wu et al., 2024 [Publ 4350], fig. 6-7 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +-- Physunio
+--+
| +-- Trapezoideus_foliaceus **
--+
| +-- Lens
+--+
+-- Yaukthwa
Wu et al., 2024 [Publ 4350], fig. 5a iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +-- Physunio
+--+
| +-- Trapezoideus_foliaceus **
--+
| +-- Lens
+--+
+-- Yaukthwa
Zieritz et al., 2024 [Publ 4381], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 44 | 7 | 3 | -- | +-- Physunio
+--+
| +-- Trapezoideus_foliaceus **
--+
| +-- Yaukthwa
+--+
+-- Lens
Pfeiffer et al., 2019 [Publ 3937], fig. 6 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 56 | 4 | 4 | -- | +-- Trapezoideus_foliaceus **
+-----+
| +-- Physunio
--+
| +----- Yaukthwa
+--+
| +-- Lens
+--+
+-- Solenaia
Jeratthitikul et al., 2024 [Publ 4387], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 58 | 2 | 2 | -- | +----- Physunio
--+
| +-- Lens
+--+
+-- Trapezoideus_foliaceus **
Wu et al., 2024 [Publ 4350], fig. 5b iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +----------- Yaukthwa_elongatula
|
--+ +-------- Trapezoideus_foliaceus **
| |
+--+ +-- Physunio
| +--+
| | +-- Yaukthwa_inlenensis
+--+
| +-- Yaukthwa_paiensis
+--+
+-- Lens
Pfeiffer et al., 2019 [Publ 3937], fig. 4-5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 56 | 4 | 4 | -- | +-- Trapezoideus_foliaceus **
+-----+
| +-- Physunio
--+
| +----- Yaukthwa
+--+
| +-- Lens
+--+
+-- Solenaia
Wu et al., 2024 [Publ 4388], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +-- Physunio
+--+
| +-- Trapezoideus_foliaceus **
--+
| +-- Lens
+--+
+-- Yaukthwa
Zieritz et al., 2020 [Publ 4102], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 13 | 3 | -- | +-------- Physunio
--+
| +----- Yaukthwa
+--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Lens
Jeratthitikul et al., 2021 [Publ 4212], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 20 | 9 | 3 | -- | +-- Trapezoideus_foliaceus **
+--+
| +-- Physunio
--+
| +-- Yaukthwa
+--+
+-- Lens
Wu et al., 2024 [Publ 4350], fig. 5c iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 35 | 6 | 3 | -- | +-- Physunio
|
+-- Yaukthwa_paiensis
|
+-- Yaukthwa_inlenensis
--+
+-- Trapezoideus_foliaceus **
|
+-- Yaukthwa_elongatula
|
+-- Lens
Jeratthitikul et al., 2021 [Publ 4219], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 33 | 2 | 2 | -- | +----- Lens
--+
| +-- Trapezoideus_foliaceus **
+--+
+-- Physunio
|
