The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | Unionida | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina genus Platynaias Walker, 1918: cladomics
3 Recent valid species (3 total species) Cladomics Summarynumber of species = 3 (3 total)
analyzed in 72 cladograms in 51 publications
maximum number of terminals in an analysis =
3 (mean = 1.31, median = 1) Basic Monophylynumber of cladograms that test basic monophyly
(i.e., more than 1 included species) = 19
maximum number of included terminals = 3, (mean =
2.16 median = 2)
proportion of cladograms that support basic monophyly
= 0.95
Pairwise Cladogram ClusteringThe graphs below depict in two dimensions all pair-wise ingroup distances within the cladome. See the Cladmoics FARQ for more information.
King et al., 1999 [Publ 2699], fig. 4 ** Top Monophyly Cladogram ** iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 5 | 4 | 4 | 4 | -- | +-- Pterosyna
+-----+
| +-- Lasmigona
|
--+ +----- Prolasmidonta
| |
| +----- Strophitus
| |
+--+ +-- Platynaias_compressa **
| |
| +-- Platynaias_subviridis__1 **
| |
+--+-- Platynaias_subviridis__2 **
|
+-- Platynaias_subviridis__3 **
|
+-- Platynaias_subviridis__4 **
Perkins et al., 2025 [Publ 4447], fig. 2_mtDNA-ITS ** Top Sister-Group Cladogram ** iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 33 | 30 | 14 | -- | +-------------- Utterbackiana
+--+
| | +----------- Alasminota
| +--+
| | +-------- Pseudodontoideus
| +--+
| | +----- Lasmigona
| +--+
| | +-- Pterosyna
| +--+
--+ +-- Arcidens
|
| +-- Anodontoides
| +-----+
| | +-- Strophitus
| +-----+
| | | +----- Sulcularia
| | +--+
| | | +-- Pyganodon
| | +--+
+--+ +-- Utterbackia
|
| +-- Ligodonta
| +--------+
| | +-- Alasmidonta
+--+
| +-------- Prolasmidonta
+--+
| +----- Platynaias_decorata **
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14 iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 629 | 33 | 13 | -- | +-------------------- Utterbackiana
|
--+ +----------------- Simpsonaias
| |
| | +-- Alasminota
+--+ +-----------+
| | +-- Alasmidonta
| |
+--+ +-- Anodontoides
| +--------+
| | +-- Strophitus
+--+
| +-------- Prolasmidonta
+--+
| +----- Platynaias_subviridis **
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_decorata **
Inoue et al., 2018 [Publ 3858], fig. 1_3a-c iT| tT | bi | riS | oT | roT | roS | iD | | 3 | 20 | 0 | 3 | 102 | 13 | 9 | -- | +-- Alasmidonta_marginata
|
+-- Prolasmidonta
|
+-- Alasmidonta_undulata
|
+-- Beringiana
|
+-- Brachyanodon_kennerlyi
|
+-- Brachyanodon_nuttalliana
|
+-- Brachyanodon_oregonensis
|
+-- Arcidens_confragosus
|
+-- Arcidens_wheeleri
|
+-- Pterosyna
|
--+-- Platynaias_compressa **
|
+-- Lasmigona
|
+-- Platynaias_decorata **
|
+-- Platynaias_subviridis **
|
+-- Pyganodon_grandis
|
+-- Pyganodon_lacustris
|
+-- Pseudodontoideus
|
+-- Strophitus
|
+-- Utterbackia_imbecillis
|
+-- Utterbackia_peninsularis__1
|
+-- Utterbackia_peninsularis__2
Whelan et al., 2023 [Publ 4287], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 39 | 31 | 13 | -- | +-- Utterbackia
+--------------+
| +-- Pyganodon
|
| +-------- Utterbackiana
| |
--+ +-----+ +-- Lasmigona
| | | +--+
| | | | +-- Pseudodontoideus
| | +--+
| | | +-- Pterosyna
| | +--+
+--+ +-- Arcidens
|
| +----- Sulcularia
| +-----+
| | | +-- Anodontoides
| | +--+
| | +-- Strophitus
+--+
| +-- Alasminota
| +-----+
| | +-- Alasmidonta
+--+
| +----- Prolasmidonta
+--+
| +-- Platynaias_subviridis **
+--+
+-- Platynaias_compressa **
Moyer & Díaz-Ferguson, 2012 [Publ 3375], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 4 | 1 | 1 | -- | +----- Lasmigona
--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Guerra et al., 2019 [Publ 4168], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 39 | 3 | 2 | -- | +-- Platynaias_compressa **
+--+
| +-- Platynaias_subviridis **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Stewart et al., 2021 [Publ 4451], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 14 | 8 | 5 | -- | +-- Alasmidonta
+--------+
| +-- Pterosyna
|
--+ +-- Pyganodon
| +-----+
| | +-- Utterbackia
+--+
| +----- Strophitus
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Wu et al., 2023 [Publ 4339], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 17 | 0 | 0 | -- | +-- Platynaias **
--+
+-- Platynaias_compressa **
King et al., 1999 [Publ 2699], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 7 | 7 | 5 | -- | +-------------- Pyganodon
|
--+ +-- Lasmigona
| +--------+
| | +-- Pterosyna
+--+
| +-------- Strophitus
+--+
| +----- Prolasmidonta
+--+
| +-- Platynaias_subviridis **
+--+
+-- Platynaias_compressa **
Inoue et al., 2014 [Publ 3635], fig. 3A iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 18 | 12 | 8 | -- | +-------- Pseudodontoideus
+-----+
| | +----- Lasmigona
| +--+
| | +-- Pterosyna
--+ +--+
| +-- Arcidens
|
| +----------- Strophitus
| |
+--+ +-- Pyganodon
| +-----+
| | +-- Utterbackia
+--+
| +----- Alasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Wu et al., 2021 [Publ 4366], fig. 3-ML iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 72 | 5 | 4 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Prolasmidonta
+--+
| +----- Alasmidonta
+--+
| +-- Platynaias_subviridis **
+--+
+-- Platynaias_compressa **
Breton et al., 2011 [Publ 3376], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 36 | 9 | 6 | -- | +-- Pterosyna
+-----------+
| +-- Lasmigona
--+
| +----------- Strophitus
| |
+--+ +-- Pyganodon
| +-----+
| | +-- Utterbackia
+--+
| +----- Alasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Wu et al., 2021 [Publ 4366], fig. 3-BI iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 72 | 5 | 4 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Prolasmidonta
+--+
| +----- Alasmidonta
+--+
| +-- Platynaias_subviridis **
+--+
+-- Platynaias_compressa **
Guerra et al., 2017 [Publ 3772], fig. 2b iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 23 | 3 | 2 | -- | +-- Platynaias_subviridis **
+--+
| +-- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Campbell & Lydeard, 2026 [Publ 4810], fig. 3_5 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 139 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
|
--+ +-- Pterosyna
| +-----+
| | +-- Prolasmidonta
+--+
| +----- Alasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Guerra et al., 2019 [Publ 4168], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 39 | 3 | 2 | -- | +-- Platynaias_compressa **
+--+
| +-- Platynaias_subviridis **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Guerra et al., 2017 [Publ 3772], fig. 2a iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 23 | 3 | 2 | -- | +-- Platynaias_subviridis **
+--+
| +-- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Chase et al., 2018 [Publ 3847], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 37 | 9 | 6 | -- | +-- Pyganodon
+-----------+
| +-- Utterbackia
|
--+ +-- Lasmigona
| +--------+
| | +-- Pterosyna
+--+
| +-------- Alasmidonta
+--+
| +----- Strophitus
+--+
| +-- Platynaias_compressa **
+--+
+-- Platynaias_subviridis **
Wu et al., 2018 [Publ 3836], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 52 | 4 | 3 | -- | +----- Strophitus
|
--+ +-- Platynaias_compressa **
| |
+--+-- Alasmidonta
|
+-- Pyganodon
Wu et al., 2023 [Publ 4339], fig. 4_S5-aa iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 95 | 6 | 5 | -- | +-- Pyganodon
+-----+
| +-- Utterbackia
|
--+ +-- Alasmidonta
| +--+
| | +-- Platynaias_compressa **
+--+
| +-- Prolasmidonta
+--+
+-- Pterosyna
Hoeh, 1990 [Publ 2717], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 14 | 12 | 5 | -- | +-- Pterosyna
|
+-- Platynaias_compressa **
|
+-- Pyganodon_cataracta
--+
+-- Pyganodon_gibbosa
|
+-- Pyganodon_grandis
|
+-- Pyganodon_lacustris
Wu et al., 2026 [Publ 4811], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 95 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Wu et al., 2024 [Publ 4379], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 53 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Boyer et al., 2011 [Publ 2718], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 37 | 8 | 8 | -- | +-------------- Strophitus
|
| +----- Pterosyna
--+ +-----+
| | | +-- Lasmigona
| | +--+
+--+ +-- Arcidens
|
| +-------- Utterbackia
| |
+--+-------- Alasmidonta
|
| +----- Pyganodon
+--+
| +-- Anodontoides
+--+
+-- Platynaias_compressa **
Hou et al., 2025 [Publ 4445], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 52 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Alasmidonta
Whelan et al., 2023 [Publ 4287], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 26 | 24 | 10 | -- | +-------------------- Sulcularia
|
| +-------- Utterbackiana
--+ +--------+
| | | +----- Alasminota
| | +--+
| | | +-- Arcidens
+--+ +--+
| +-- Pseudodontoideus
|
| +-------------- Alasmidonta
+--+
| +----------- Platynaias_subviridis **
+--+
| +-------- Strophitus
+--+
| +----- Pyganodon
+--+
| +-- Utterbackia
+--+
+-- Anodontoides
Wu et al., 2021 [Publ 4366], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 68 | 5 | 4 | -- | +-- Pyganodon
+-----+
| +-- Utterbackia
--+
| +----- Prolasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Alasmidonta
Zanatta et al., 2007 [Publ 2698], fig. 1A iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 15 | 13 | 5 | -- | +-- Platynaias_compressa **
|
--+-- Lasmigona
|
+-- Pterosyna
Dai et al., 2025 [Publ 4440], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 87 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Soroka & Burzynski, 2017 [Publ 3837], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 22 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wu et al., 2020 [Publ 4121], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 48 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Inoue et al., 2014 [Publ 3635], fig. 3B iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 7 | 6 | 2 | -- | +----- Pyganodon_grandis
|
+----- Pyganodon_cataracta
|
--+----- Pyganodon_fragilis
|
+----- Pyganodon
|
| +-- Platynaias_subviridis **
+--+
+-- Arcidens
Cha et al., 2018 [Publ 3916], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 37 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Hoeh, 1990 [Publ 2717], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 14 | 12 | 5 | -- | +-- Pterosyna
|
--+-- Platynaias_compressa **
|
+-- Lasmigona
Chong et al., 2008 [Publ 2668], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 17 | 7 | 7 | -- | +----- Strophitus
--+
| +-- Prolasmidonta
+--+
+-- Platynaias_compressa **
Zieritz et al., 2021 [Publ 4231], fig. 3-F_5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 47 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Hewitt et al., 2018 [Publ 3758], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 8 | 5 | 5 | -- | +-------- Pyganodon
|
| +-- Platynaias_subviridis **
--+-----+
| +-- Strophitus
|
| +----- Lasmigona
+--+
| +-- Arcidens
+--+
+-- Pterosyna
Amaro et al., 2017 [Publ 3791], fig. 3B iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 11 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Hoeh, 1990 [Publ 2717], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 14 | 12 | 5 | -- | +-- Pterosyna
|
--+-- Platynaias_compressa **
|
+-- Lasmigona
Fonseca et al., 2016 [Publ 3775], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Sano et al., 2020 [Publ 4138], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 67 | 5 | 4 | -- | +-- Pyganodon
+-----+
| +-- Utterbackia
--+
| +----- Alasmidonta
+--+
| +-- Platynaias_compressa **
+--+
+-- Prolasmidonta
Amaro et al., 2017 [Publ 3791], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 15 | 4 | 3 | -- | +-- Lasmigona
+--+
| +-- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wu et al., 2024 [Publ 4350], fig. 8a_S1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 91 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Wang et al., 2018 [Publ 3846], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 1 | 1 | -- | +-- Pyganodon
--+
+-- Platynaias_compressa **
Wu et al., 2023 [Publ 4339], fig. 4_S5-nt iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 95 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Huang et al., 2018 [Publ 3828], fig. 6 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 41 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Pfeiffer & Graf, 2013 [Publ 3531], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 2 | 2 | -- | +----- Strophitus
--+
| +-- Platynaias_compressa **
+--+
+-- Pyganodon
Zanatta et al., 2007 [Publ 2698], fig. 1B iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 15 | 13 | 5 | -- | +-- Lasmigona
|
--+-- Platynaias_compressa **
|
+-- Pterosyna
Chen et al., 2025 [Publ 4448], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 85 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wang et al., 2025 [Publ 4488], fig. 3B iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 64 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Sano et al., 2020 [Publ 4138], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 67 | 5 | 4 | -- | +-- Pyganodon
+-----+
| +-- Utterbackia
--+
| +----- Alasmidonta
+--+
| +-- Prolasmidonta
+--+
+-- Platynaias_compressa **
Huang et al., 2013 [Publ 3629], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 15 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Amaro et al., 2017 [Publ 3791], fig. 3A iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 11 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wang et al., 2018 [Publ 3865], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 30 | 1 | 1 | -- | +-- Pyganodon
--+
+-- Platynaias_compressa **
Whelan et al., 2023 [Publ 4287], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 27 | 26 | 11 | -- | +-------------------- Utterbackiana
|
| +-- Utterbackia
--+ +--------------+
| | +-- Pyganodon
| |
+--+ +----- Alasmidonta
| +--------+
| | | +-- Arcidens
| | +--+
+--+ +-- Pseudodontoideus
|
| +----------- Alasminota
| |
+--+ +-- Anodontoides
| +-----+
| | +-- Strophitus
+--+
| +----- Sulcularia
+--+
| +-- Platynaias_subviridis **
+--+
+-- Prolasmidonta
Boyer et al., 2011 [Publ 2718], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 34 | 5 | 5 | -- | +----- Alasmidonta
|
+----- Pyganodon
|
--+ +-- Pterosyna
+--+
| +-- Lasmigona
|
| +-- Platynaias_compressa **
+--+
+-- Strophitus
Wu et al., 2022 [Publ 4238], fig. 2d iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 38 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Zhou et al., 2016 [Publ 3710], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 19 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wu et al., 2019 [Publ 3864], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 45 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Wu et al., 2024 [Publ 4350], fig. 8b_S2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 91 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Krebs et al., 2003 [Publ 2691], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 32 | 8 | 7 | -- | -- Platynaias_compressa **
Sano et al., 2020 [Publ 4138], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 67 | 5 | 4 | -- | +-- Pyganodon
+-----+
| +-- Utterbackia
--+
| +----- Alasmidonta
+--+
| +-- Prolasmidonta
+--+
+-- Platynaias_compressa **
Riccardi et al., 2020 [Publ 4089], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 18 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Dai et al., 2023 [Publ 4285], fig. 5 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 52 | 2 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Hou et al., 2024 [Publ 4400], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 75 | 6 | 5 | -- | +-- Pyganodon
+--------+
| +-- Utterbackia
--+
| +-------- Pterosyna
+--+
| +----- Prolasmidonta
+--+
| +-- Alasmidonta
+--+
+-- Platynaias_compressa **
Dai et al., 2024 [Publ 4358], fig. 4 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 52 | 2 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Chen et al., 2020 [Publ 4170], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 33 | 5 | 4 | -- | +----- Platynaias_compressa **
--+
| +-- Utterbackia
+--+
+-- Pyganodon
Manendo et al., 2008 [Publ 2669], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 12 | 1 | 1 | -- | +-- Platynaias_subviridis **
--+
+-- Pyganodon
Wu et al., 2022 [Publ 4238], fig. 3 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 73 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
Xue et al., 2016 [Publ 3659], fig. 1 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 14 | 0 | 0 | -- | -- Platynaias_compressa **
Lopes-Lima et al., 2017 [Publ 3792], fig. 2 iT| tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 31 | 3 | 2 | -- | +----- Platynaias_compressa **
--+
| +-- Pyganodon
+--+
+-- Utterbackia
|
