The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)
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Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini genus Obovaria Rafinesque, 1819: cladomics 7 Recent valid species (7 total species) Cladomics Summarynumber of species = 7 (7 total) analyzed in 29 cladograms in 17 publications maximum number of terminals in an analysis =
6 (mean = 2.24, median = 2) Basic Monophylynumber of cladograms that test basic monophyly
(i.e., more than 1 included species) = 19 maximum number of included terminals = 6, (mean =
2.89 median = 2) proportion of cladograms that support basic monophyly
= 0.53
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 ** ** Top Sister-Group Cladogram ** | iT | tT | bi | riS | oT | roT | roS | iD | | 6 | 39 | 45 | 6 | 625 | 87 | 26 | 0 |
+-------- Potamilus_inflatus
+--------+
| | +----- Potamilus_ohiensis
| +--+
| | +-- Potamilus_amphichaenus
| +--+
+-----------------------------------+ +-- Potamilus_streckersoni
| |
| | +----- Potamilus_fragilis__2
| | +--------+
| | | | +-- Potamilus_leptodon
| | | +--+
| +--+ +-- Potamilus_fragilis__1
| |
| | +----------- Potamilus_metnecktayi
| | |
| +--+ +-------- Potamilus_alatus__3
| | |
| +--+ +----- Potamilus_alatus__2
--+ | |
| +--+----- Potamilus_purpuratus__2
| |
| | +-- Potamilus_alatus__1
| +--+
| +-- Potamilus_purpuratus__1
|
| +-- Villosa_villosa
| +-----------------------------------------------+
| | +-- Atlanticoncha
| |
| | +-- Cambarunio_nebulosus
| | +--------------------------------------------+
+--+ | +-- Ligumia
| |
| | +-------- Leaunio_umbrans
| | +-----------------------------------+
| | | | +----- Cambarunio_taeniatus
+--+ | +--+
| | | +-- Cambarunio_iris
| | +--+
| | +-- Cambarunio_simus
| |
| | +----------------------------------------- Hamiota
| | |
+--+ | +----------------------- Pachynaias
| | |
| | +--------------+ +-------------------- Sagittunio
| | | | |
| | | | | +----- Ellipsaria
| | | +--+ +-----------+
| | | | | | +-- Potamilus_capax
| | | | | +--+
| | | | | +-- Truncilla
+--+ | +--+
| | | +----- Medionidus_acutissimus
| | | +--------+
| | | | | +-- Lemiox
| | | | +--+
| | +--+ +-- Medionidus_penicillatus
| | |
| | | +----------- Ptychobranchus
| | | |
| | +--+ +-- Cyprogenia_aberti__2
| | | +-----+
+--+ | | +-- Dromus
| +--+
| | +----- Cyprogenia_stegaria__2
| +--+
| | +-- Cyprogenia_aberti__1
| +--+
| +-- Cyprogenia_stegaria__1
|
| +-- Villosa_delumbis
| +--------------------------------+
| | +-- Villosa_vibex
| |
| | +-------------- Obovaria_olivaria **
| | |
| | +-----------------+ +-- Venustaconcha
| | | | +--------+
| | | | | +-- Epioblasma
| | | +--+
| | | | +-------- Obovaria_retusa **
+--+ | +--+
| | | +----- Obovaria_choctawensis **
| | +--+
| | | +-- Obovaria_unicolor **
| | +--+
| | +-- Obovaria_subrotunda **
| |
| | +-- Mesonaias
| | +-----------------------+
| | | +-- Obovaria_arkansasensis **
| | |
+--+ +--+ +-- Lampsilis_splendida
| | | +--------------------+
| | | | +-- Lampsilis_bracteata
| | | |
| | +--+ +-- Lampsilis_fasciola
| | | +-----------------+
| | | | +-- Ortmanniana_pectorosa
| | +--+
| | | +----------------- Lampsilis_ornata
| | | |
| | +--+ +-------------- Lampsilis_ovata__2
| | | |
| | +--+ +----------- Lampsilis_dolabraeformis
| | | |
| | | | +----- Lampsilis_cardium__2
| | +--+ +--+
| | | | | +-- Lampsilis_cardium__1
+--+ | | +--+
| +--+ +-- Lampsilis_satura
| |
| | +----- Lampsilis_cariosa__2
| +--+
| | +-- Lampsilis_ovata__1
| +--+
| +-- Lampsilis_cariosa__1
|
| +----------- Ortmanniana_ligamentina__2
| +--------------+
| | | +-------- Lampsilis_abrupta
| | +--+
| | | +----- Lampsilis_higginsii__2
| | +--+
| | | +-- Ortmanniana_ligamentina__1
| | +--+
+--+ +-- Lampsilis_higginsii__1
|
| +----- Medionidus_conradicus
| +-----------------+
| | | +-- Leaunio_lienosus
| | +--+
| | +-- Leaunio_vanuxemensis
| |
+--+ +-- Lampsilis_floridensis
| +-----------------+
| | +-- Lampsilis_teres
| |
| | +-- Lampsilis_siliquoidea__1
+--+ |
| +-- Lampsilis_siliquoidea__2
| +--------------+
| | +-- Lampsilis_powellii__1
| | |
+--+ +-- Lampsilis_powellii__2
|
| +-------------- Lampsilis_sietmani
| |
+--+ +-- Lampsilis_straminea__2
| +--------+
| | +-- Lampsilis_virescens
+--+
| +-------- Lampsilis_hydiana__2
+--+
| +----- Lampsilis_hydiana__1
+--+
| +-- Lampsilis_bergmanni
+--+
+-- Lampsilis_straminea__1
Inoue et al., 2013 [Publ 3528], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 5 | 5 | 3 | 5 | 12 | 5 | 5 | 46 |
+----------------- Lampsilis
|
--+ +-------------- Leaunio
| |
| | +-- Villosa
+--+-----------+
| +-- Cambarunio
|
| +----------- Obovaria_olivaria **
+--+
| +-------- Obovaria_arkansasensis **
+--+
| +----- Obovaria_retusa **
+--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_subrotunda **
Zanatta & Murphy, 2006 [Publ 2672], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 4 | 10 | 6 | 4 | 53 | 44 | 22 | 47 |
+-- Paetulunio
+-----------------------------------+
| +-- Toxolasma
|
| +----- Obliquaria
| +-----------------------------+
--+ | | +-- Glebula
| | +--+
| | +-- Cyrtonaias
| |
| | +----- Ptychobranchus
| | +--+
+--+ | | +-- Dromus
| | +--+
| +-----------------------+ +-- Cyprogenia
| | |
| | | +----- Medionidus_conradicus
| | +--+
| | | +-- Medionidus_acutissimus
| | +--+
+--+ +-- Lemiox
|
| +----------------------------- Sagittunio
| |
| +----------------------------- Potamilus
| |
| | +-- Truncilla
+--+ +-----------------------+
| | +-- Ellipsaria
| |
| | +-- Ortmanniana_pectorosa
| | +-----+
| | | +-- Lampsilis_fasciola
+--+ +--------------+
| | | +----- Lampsilis_ornata
| | +--+
| | | +-- Lampsilis_ovata
| | +--+
| | +-- Lampsilis_cardium
+--+
| +-- Ligumia
| +--+
| | +-- Cambarunio
| +--------------+
| | | +-- Lampsilis_teres
| | +--+
+--+ +-- Hamiota
|
| +----------------- Leaunio
| |
+--+ +-------------- Ortmanniana_ligamentina
| |
+--+ +----------- Lampsilis_siliquoidea
| |
+--+ +-------- Obovaria_olivaria **
| |
| +-------- Venustaconcha
+--+
+-------- Epioblasma
|
| +----- Obovaria_unicolor **
+--+
| +-- Obovaria_subrotunda **
+--+
+-- Obovaria_arkansasensis **
Campbell et al., 2005 [Publ 2660], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 4 | 9 | 8 | 4 | 98 | 39 | 22 | 51 |
+-------- Toxolasma
+--------------------+
| | +----- Obliquaria
| +--+
| | +-- Cyrtonaias
| +--+
| +-- Glebula
|
| +-------------- Potamilus
| |
| | +-------- Medionidus_acutissimus
--+ | +--+
| +-----------+ | | +----- Lemiox
| | | | +--+
| | | | | +-- Dromus
| | | | +--+
| | +--+ +-- Cyprogenia
| | |
| | | +-- Sagittunio
| | | +--+
| | | | +-- Medionidus_conradicus
+--+ +-----+
| | +-- Ptychobranchus
| +--+
| +-- Venustaconcha_ellipsiformis__2
|
| +-- Ellipsaria
| +--------------------+
| | +-- Truncilla
| |
| | +-------------------- Villosa
+--+ |
| | +-- Obovaria_olivaria **
| | +--------+
| | | +-- Venustaconcha_ellipsiformis__1
| | +-----+
+--+ | | +-------- Epioblasma
| | +--+
| | | +----- Obovaria_unicolor **
| | +--+
| | | +-- Obovaria_arkansasensis **
| | +--+
| | +-- Obovaria_subrotunda **
+--+
| +-------- Hamiota
| |
| +-----+ +-- Lampsilis_cardium
| | | +--+
| | | | +-- Lampsilis_ovata
| | +--+
| | | +-- Ortmanniana_pectorosa
+--+ +--+
| +-- Lampsilis_ornata
|
| +-- Ligumia
| +--------+
| | +-- Cambarunio
+--+
| +-------- Lampsilis_teres
+--+
| +----- Ortmanniana_ligamentina
+--+
| +-- Lampsilis_siliquoidea
+--+
+-- Leaunio
Campbell et al., 2005 [Publ 2660], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 4 | 9 | 6 | 4 | 98 | 39 | 22 | 47 |
+----- Obliquaria
+--------+
| | +-- Cyrtonaias
| +--+
| +-- Glebula
|
| +----------- Sagittunio
| |
| +----------- Leaunio
| |
| +----------- Potamilus
| |
| +----------- Hamiota
| |
| | +-- Ellipsaria
--+ +--------+
| | +-- Truncilla
| |
| | +----- Lampsilis_teres
| +-----+
| | | +-- Ortmanniana_ligamentina
| | +--+
| | +-- Lampsilis_siliquoidea
| |
| | +----- Villosa
| +-----+
| | | +-- Ligumia
| | +--+
| | +-- Cambarunio
| |
+--+ +-------- Ortmanniana_pectorosa
+--+
| | +----- Lampsilis_ornata
| +--+
| | +-- Lampsilis_cardium
| +--+
| +-- Lampsilis_ovata
|
| +-------- Obovaria_olivaria **
| |
| +-------- Venustaconcha_ellipsiformis__2
+--+
| +-------- Epioblasma
| |
| | +----- Obovaria_unicolor **
| +--+
| | +-- Obovaria_arkansasensis **
| +--+
| +-- Obovaria_subrotunda **
|
| +-- Ptychobranchus
| +-----+
| | +-- Venustaconcha_ellipsiformis__1
| |
+--+ +----- Medionidus_conradicus
| |
| | +-- Lemiox
+--+--+
| +-- Medionidus_acutissimus
|
| +-- Dromus
+--+
+-- Cyprogenia
Zanatta & Murphy, 2006 [Publ 2672], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 4 | 4 | 2 | 4 | 52 | 44 | 22 | 49 |
+-- Cyrtonaias
+--------------------------------------+
| +-- Glebula
|
--+ +-------------------------------------- Paetulunio
| |
| | +-- Obliquaria
+--+ +--------------------------------+
| | +-- Toxolasma
| |
| | +-------------------------------- Sagittunio
+--+ |
| | +----------- Potamilus
| | |
| | +-----------------+ +-- Medionidus_conradicus
| | | | +-----+
+--+ | | | +-- Ptychobranchus
| | +--+
| | | +----- Medionidus_acutissimus
| | | |
| | +--+----- Lemiox
| | |
| | | +-- Dromus
+--+ +--+
| +-- Cyprogenia
|
| +----- Lampsilis_teres
| +--------------------+
| | | +-- Truncilla
| | +--+
| | +-- Ellipsaria
| |
+--+ +----------------------- Leaunio
| |
| | +----------- Hamiota
| | |
| | +--------+ +-- Lampsilis_fasciola
+--+ | | +-----+
| | | | +-- Ortmanniana_pectorosa
| | +--+
| | | +----- Lampsilis_ornata
| | +--+
| | | +-- Lampsilis_ovata
+--+ +--+
| +-- Lampsilis_cardium
|
| +-------- Lampsilis_siliquoidea
| +--------+
| | | +----- Ortmanniana_ligamentina
| | +--+
| | | +-- Cambarunio
+--+ +--+
| +-- Ligumia
|
| +-------------- Venustaconcha
+--+
| +----------- Epioblasma
+--+
| +-------- Obovaria_olivaria **
+--+
| +----- Obovaria_unicolor **
+--+
| +-- Obovaria_subrotunda **
+--+
+-- Obovaria_arkansasensis **
Porto-Hannes et al., 2019 [Publ 3969], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 15 | 14 | 5 | 46 |
+----------------- Lampsilis_teres
|
| +-- Leaunio
+--------------+
| +-- Cambarunio
|
| +----- Obovaria_arkansasensis **
+-----------+
| | +-- Obovaria_olivaria **
| +--+
| +-- Obovaria_subrotunda **
|
--+ +-------- Ortmanniana
| |
+--------+ +-- Lampsilis_hydiana
| | +--+
| | | +-- Lampsilis_virescens
| +--+
| | +-- Lampsilis_siliquoidea
| +--+
| +-- Lampsilis_radiata
|
| +-------------- Lampsilis_bracteata
| |
+--+ +----------- Lampsilis_ornata
| |
+--+ +-------- Lampsilis_ovata
| |
+--+ +----- Lampsilis_cardium__3
| |
+--+ +-- Lampsilis_satura
| |
+--+-- Lampsilis_cardium__1
|
+-- Lampsilis_cardium__2
Porto-Hannes et al., 2019 [Publ 3969], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 3 | 3 | 1 | 3 | 15 | 14 | 5 | 46 |
+----------------------- Obliquaria
|
| +-- Cambarunio
| +-----------------+
| | +-- Leaunio
| |
--+ | +----------- Lampsilis_teres
| | |
| +--------+ +-------- Ortmanniana
| | | |
| | +--+ +-- Lampsilis_hydiana
| | | +--+
+--+ | | +-- Lampsilis_virescens
| +--+
| | +-- Lampsilis_siliquoidea
| +--+
| +-- Lampsilis_radiata
|
| +----- Obovaria_arkansasensis **
| +-----------+
| | | +-- Obovaria_olivaria **
| | +--+
+--+ +-- Obovaria_subrotunda **
|
| +-------------- Lampsilis_bracteata
| |
+--+ +----------- Lampsilis_ornata
| |
+--+ +-------- Lampsilis_ovata
| |
+--+ +----- Lampsilis_cardium__3
| |
+--+ +-- Lampsilis_satura
| |
+--+-- Lampsilis_cardium__1
|
+-- Lampsilis_cardium__2
Lydeard et al., 2000 [Publ 2654], fig. 2c | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 3 | 0 | 2 | 12 | 1 | 1 | 48 |
+----- Obovaria_unicolor **
--+
| +-- Obovaria_olivaria **
+--+
+-- Lampsilis
Campbell & Lydeard, 2012 [Publ 3308], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 40 | 3 | 3 | -- |
+-------- Lemiox
--+
| +----- Lampsilis
+--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Inoue et al., 2018 [Publ 3858], fig. 1_3a-c | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 12 | 0 | 2 | 103 | 9 | 7 | 52 |
+-- Dromus
|
+-- Epioblasma
|
+-- Glebula
|
+-- Lampsilis_ovata
|
+-- Lampsilis_virescens
|
+-- Lemiox
--+
+-- Obliquaria
|
+-- Obovaria_olivaria **
|
+-- Obovaria_unicolor **
|
+-- Plectomerus
|
+-- Potamilus_alatus
|
+-- Potamilus_capax
Campbell & Lydeard, 2012 [Publ 3308], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 40 | 3 | 3 | -- |
+-------- Lemiox
--+
| +----- Lampsilis
+--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Lydeard et al., 2000 [Publ 2654], fig. 2a | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 12 | 1 | 1 | -- |
+----- Lampsilis
--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Lydeard et al., 2000 [Publ 2654], fig. 2d | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 12 | 1 | 1 | -- |
+----- Lampsilis
--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Campbell & Lydeard, 2012 [Publ 3308], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 4 | 0 | 2 | 41 | 3 | 3 | 49 |
+-------- Obovaria_unicolor **
--+
| +----- Obovaria_olivaria **
+--+
| +-- Lampsilis
+--+
+-- Lemiox
Lydeard et al., 2000 [Publ 2654], fig. 2b | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 12 | 1 | 1 | -- |
+----- Lampsilis
--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Campbell & Lydeard, 2012 [Publ 3308], fig. 4 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 40 | 3 | 3 | -- |
+-------- Lemiox
--+
| +----- Lampsilis
+--+
| +-- Obovaria_unicolor **
+--+
+-- Obovaria_olivaria **
Campbell & Lydeard, 2012 [Publ 3309], fig. 1-2 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 5 | 0 | 2 | 71 | 13 | 10 | 48 |
+-------------- Potamilus_alatus
|
+-------------- Potamilus_capax
|
+-------------- Glebula
|
| +-- Toxolasma
+-----------+
--+ +-- Paetulunio
|
| +-- Dromus
+-----------+
| +-- Lemiox
|
| +-- Lampsilis_ovata
| +--------+
| | +-- Obliquaria
+--+
| +-------- Lampsilis_virescens
| |
+--+ +-- Epioblasma
| +--+
| | +-- Obovaria_arkansasensis **
+--+
| +-- Obovaria_olivaria **
+--+
+-- Venustaconcha
Campbell & Lydeard, 2012 [Publ 3309], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 5 | 0 | 2 | 71 | 13 | 10 | 48 |
+----------------- Obliquaria
|
| +----- Potamilus
--+ +--------+
| | | +-- Dromus
| | +--+
+--+ +-- Lemiox
|
| +----------- Lampsilis_ovata
| |
+--+ +-------- Lampsilis_virescens
| |
+--+ +-- Epioblasma
| +--+
| | +-- Obovaria_arkansasensis **
+--+
| +-- Obovaria_olivaria **
+--+
+-- Venustaconcha
Porto-Hannes et al., 2021 [Publ 4227], fig. 4 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 10 | 6 | 2 | -- |
+----- Obovaria_olivaria **
--+
| +-- Ortmanniana
+--+
+-- Lampsilis
Wu et al., 2018 [Publ 3836], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 52 | 0 | 0 | -- |
-- Obovaria_arkansasensis **
Chapman et al., 2008 [Publ 2667], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 20 | 12 | 10 | -- |
+-------------------------- Toxolasma
|
--+ +----------------------- Obliquaria
| |
| | +-- Cyrtonaias
+--+ +-----------------+
| | +-- Glebula
| |
+--+ +-- Ptychobranchus
| +--------------+
| | +-- Lemiox
| |
+--+ +-- Venustaconcha
| +-----------+
| | +-- Obovaria_olivaria **
+--+
| +----------- Hamiota
+--+
| +-------- Lampsilis_ovata
+--+
| +----- Ortmanniana
+--+
| +-- Lampsilis_straminea
+--+
+-- Lampsilis_hydiana
Chapman et al., 2008 [Publ 2744], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 20 | 12 | 10 | -- |
+-------------------------- Toxolasma
|
--+ +----------------------- Obliquaria
| |
| | +-- Cyrtonaias
+--+ +-----------------+
| | +-- Glebula
| |
+--+ +-- Ptychobranchus
| +--------------+
| | +-- Lemiox
| |
+--+ +-- Venustaconcha
| +-----------+
| | +-- Obovaria_olivaria **
+--+
| +----------- Hamiota
+--+
| +-------- Lampsilis_ovata
+--+
| +----- Ortmanniana
+--+
| +-- Lampsilis_straminea
+--+
+-- Lampsilis_hydiana
Hauck et al., 2023 [Publ 4333], fig. 9 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 12 | 1 | 1 | -- |
+-- Obovaria_olivaria **
--+
+-- Lampsilis
Burlakova et al., 2019 [Publ 3899], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 32 | 25 | 17 | -- |
+----------------- Toxolasma
|
| +-------------- Potamilus
| |
| | +-- Ellipsaria
| +-----------+
--+ | +-- Truncilla
| |
| | +----- Medionidus
| +--------+
| | | +-- Lemiox
| | +--+
+--+ +-- Dromus
|
| +----------- Cambarunio
| |
| +----------- Leaunio
| |
| +----------- Villosa
| |
| | +-- Sagittunio
| +--------+
+--+ +-- Lampsilis_ovata
|
| +----- Venustaconcha
+-----+
| | +-- Epioblasma
| +--+
| +-- Obovaria_unicolor **
|
| +-------- Lampsilis_teres
+--+
| +----- Lampsilis_siliquoidea
+--+
| +-- Lampsilis_hydiana
+--+
+-- Lampsilis_straminea
Boyer et al., 2011 [Publ 2718], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 34 | 15 | 9 | -- |
+----------- Toxolasma
|
| +-------- Obliquaria
--+ |
| | +----- Obovaria_olivaria **
| | |
| | +----- Lampsilis_cardium
+--+ |
| +----- Potamilus
| |
| | +-- Epioblasma
| +--+
| | +-- Lampsilis_siliquoidea
+--+
| +-- Ortmanniana
+--+
| +-- Lampsilis_higginsii
|
| +-- Ligumia
+--+
| +-- Lampsilis_teres
|
| +-- Ellipsaria
+--+
+-- Truncilla
Boyer et al., 2011 [Publ 2718], fig. 4 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 37 | 15 | 9 | -- |
+----------------- Potamilus
|
| +-- Ellipsaria
--+ +-----------+
| | +-- Truncilla
| |
+--+ +----------- Lampsilis_cardium
| |
| | +----- Ligumia
| +-----+
+--+ | +-- Obovaria_olivaria **
| +--+
| +-- Epioblasma
|
| +-------- Lampsilis_teres
+--+
| +----- Lampsilis_siliquoidea
+--+
| +-- Ortmanniana
+--+
+-- Lampsilis_higginsii
Porto-Hannes et al., 2021 [Publ 4227], fig. 3 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 14 | 8 | 3 | -- |
+-- Obovaria_olivaria **
+--------+
| +-- Ortmanniana
|
| +-- Obliquaria
+--------+
--+ +-- Lampsilis_ornata
|
| +----- Lampsilis_radiata__2
| +--+
| | | +-- Lampsilis_siliquoidea
| | +--+
+--+ +-- Lampsilis_radiata__1
|
| +----- Lampsilis_virescens
+--+
| +-- Lampsilis_hydiana
+--+
+-- Lampsilis_straminea
Smith et al., 2019 [Publ 3951], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 40 | 35 | 19 | -- |
+----------------------- Obliquaria
|
| +-- Medionidus
| +--+
| | +-- Lemiox
--+ +--------------+
| | | +-- Cyprogenia
| | +--+
| | +-- Ptychobranchus
| |
+--+ +-------- Potamilus
| +--------+
| | | +----- Atlanticoncha
| | +--+
| | | +-- Ellipsaria
| | +--+
+--+ +-- Truncilla
|
| +-- Hamiota
| +-----------+
| | +-- Villosa
| |
+--+ +----------- Ligumia
| |
| | +----- Venustaconcha
+--+ +--+
| | | +-- Obovaria_subrotunda **
| | +--+
+--+ +-- Epioblasma
|
| +----- Ortmanniana_pectorosa
+--+
| +-- Ortmanniana_ligamentina
+--+
+-- Lampsilis
|