Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini

genus Pseudoon Simpson, 1900: cladomics

1 Recent valid species (1 total species)

Cladomics pages are experimental — even more so than the rest of this site!

The purpose of the cladomics pages for each genus and family-group level taxon is to provide statistics and references indicating the extent to which published phylogenetic work supports the classification used here.

The Cladomics Summary provides an overview of the number of studies that have included terminal species representing this taxon as well as an indication of how frequently it has been recovered as monophyletic.

Following the summary, the available published clades representing the taxon are listed.

For more information, visit the Cladomics FARQ (frequently asked rhetorical questions) page. Abbreviations for the various statistics are explained on the FARQ!

Cladomics Summary

number of species = 1 (1 total)
analyzed in 29 cladograms in 15 publications
maximum number of terminals in an analysis = 1 (mean = 1, median = 1)


Cladograms

Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14

** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram **

cst iT tT bi riS oT roT roS iD
0.621 1 1 0 1 632 92 27 **
Cladomics cladogram 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 Pseudoon olivarium 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

Campbell et al., 2005 [Publ 2660], fig. 1

cst iT tT bi riS oT roT roS iD
0.840 1 1 0 1 101 42 23 0.0
Cladomics cladogram Toxolasma Obliquaria Cyrtonaias Glebula Potamilus Medionidus acutissimus Lemiox Dromus Cyprogenia Sagittunio Medionidus conradicus Ptychobranchus Venustaconcha ellipsiformis 2 Ellipsaria Truncilla Villosa Pseudoon olivarium Venustaconcha ellipsiformis 1 Obovaria Epioblasma 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

cst iT tT bi riS oT roT roS iD
0.800 1 1 0 1 101 42 23 0.0
Cladomics cladogram 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 Pseudoon olivarium Venustaconcha ellipsiformis 2 Obovaria Epioblasma Ptychobranchus Venustaconcha ellipsiformis 1 Medionidus conradicus Lemiox Medionidus acutissimus Dromus Cyprogenia

Zanatta & Murphy, 2006 [Publ 2672], fig. 1

cst iT tT bi riS oT roT roS iD
0.880 1 1 0 1 55 47 23 0.0
Cladomics cladogram 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 Pseudoon olivarium Obovaria

Zanatta & Murphy, 2006 [Publ 2672], fig. 2

cst iT tT bi riS oT roT roS iD
0.880 1 1 0 1 56 47 23 0.0
Cladomics cladogram 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 Pseudoon olivarium Venustaconcha Obovaria Epioblasma

Campbell & Lydeard, 2012 [Publ 3309], fig. 1-2

cst iT tT bi riS oT roT roS iD
0.846 1 1 0 1 72 14 11 0.0
Cladomics cladogram Potamilus alatus Potamilus capax Glebula Toxolasma Paetulunio Dromus Lemiox Lampsilis ovata Obliquaria Lampsilis virescens Epioblasma Obovaria Pseudoon olivarium Venustaconcha

Campbell & Lydeard, 2012 [Publ 3309], fig. 3

cst iT tT bi riS oT roT roS iD
0.846 1 1 0 1 72 14 11 0.0
Cladomics cladogram Obliquaria Potamilus Dromus Lemiox Lampsilis ovata Lampsilis virescens Epioblasma Obovaria Pseudoon olivarium Venustaconcha

Chapman et al., 2008 [Publ 2667], fig. 1

cst iT tT bi riS oT roT roS iD
0.917 1 1 0 1 20 12 10 0.0
Cladomics cladogram Toxolasma Obliquaria Cyrtonaias Glebula Ptychobranchus Lemiox Venustaconcha Pseudoon olivarium Hamiota Lampsilis ovata Ortmanniana Lampsilis straminea Lampsilis hydiana

Chapman et al., 2008 [Publ 2744], fig. 2

cst iT tT bi riS oT roT roS iD
0.917 1 1 0 1 20 12 10 0.0
Cladomics cladogram Toxolasma Obliquaria Cyrtonaias Glebula Ptychobranchus Lemiox Venustaconcha Pseudoon olivarium Hamiota Lampsilis ovata Ortmanniana Lampsilis straminea Lampsilis hydiana

Boyer et al., 2011 [Publ 2718], fig. 3

cst iT tT bi riS oT roT roS iD
0.909 1 1 0 1 34 15 9 0.0
Cladomics cladogram Toxolasma Obliquaria Pseudoon olivarium Lampsilis cardium Potamilus Epioblasma Lampsilis siliquoidea Ortmanniana Lampsilis higginsii Ligumia Lampsilis teres Ellipsaria Truncilla

Boyer et al., 2011 [Publ 2718], fig. 4

cst iT tT bi riS oT roT roS iD
0.818 1 1 0 1 37 15 9 0.0
Cladomics cladogram Potamilus Ellipsaria Truncilla Lampsilis cardium Ligumia Pseudoon olivarium Epioblasma Lampsilis teres Lampsilis siliquoidea Ortmanniana Lampsilis higginsii

Inoue et al., 2018 [Publ 3858], fig. 1_3a-c

cst iT tT bi riS oT roT roS iD
0.700 1 1 0 1 104 10 8 0.0
Cladomics cladogram Dromus Epioblasma Glebula Lampsilis ovata Lampsilis virescens Lemiox Obliquaria Pseudoon olivarium Obovaria Plectomerus Potamilus alatus Potamilus capax

Inoue et al., 2013 [Publ 3528], fig. 3

cst iT tT bi riS oT roT roS iD
0.875 1 1 0 1 19 12 6 0.0
Cladomics cladogram Lampsilis Leaunio Villosa Cambarunio Pseudoon olivarium Obovaria

Porto-Hannes et al., 2019 [Publ 3969], fig. 2

cst iT tT bi riS oT roT roS iD
0.750 1 1 0 1 17 16 6 0.0
Cladomics cladogram Obliquaria Cambarunio Leaunio Lampsilis teres Ortmanniana Lampsilis hydiana Lampsilis virescens Lampsilis siliquoidea Lampsilis radiata Obovaria arkansasensis Pseudoon olivarium Obovaria subrotunda 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. 3

cst iT tT bi riS oT roT roS iD
0.625 1 1 0 1 17 16 6 0.0
Cladomics cladogram Lampsilis teres Leaunio Cambarunio Obovaria arkansasensis Pseudoon olivarium 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

Campbell & Lydeard, 2012 [Publ 3308], fig. 1

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 0.0
Cladomics cladogram Lemiox Lampsilis Obovaria Pseudoon olivarium

Campbell & Lydeard, 2012 [Publ 3308], fig. 2

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 0.0
Cladomics cladogram Lemiox Lampsilis Obovaria Pseudoon olivarium

Campbell & Lydeard, 2012 [Publ 3308], fig. 3

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 42 4 4 0.0
Cladomics cladogram Obovaria Pseudoon olivarium Lampsilis Lemiox

Campbell & Lydeard, 2012 [Publ 3308], fig. 4

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 41 4 4 0.0
Cladomics cladogram Lemiox Lampsilis Obovaria Pseudoon olivarium

Inoue et al., 2026 [Publ 4933], fig. 2

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 19 19 4 0.0
Cladomics cladogram Lampsilis Pseudoon olivarium Venustaconcha Epioblasma Obovaria

Inoue et al., 2026 [Publ 4933], fig. 3

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 19 19 4 0.0
Cladomics cladogram Lampsilis Obovaria pinetorum Obovaria arkansasensis Obovaria tallahattae Obovaria neeskaensis Obovaria sipseyensis Pseudoon olivarium Venustaconcha Epioblasma Obovaria retusa Obovaria subrotunda Obovaria lumbo Obovaria unicolor Obovaria choctawensis

Inoue et al., 2026 [Publ 4933], fig. 5

cst iT tT bi riS oT roT roS iD
0.833 1 1 0 1 19 19 4 0.0
Cladomics cladogram Lampsilis Pseudoon olivarium Venustaconcha Obovaria retusa Obovaria subrotunda Obovaria lumbo Obovaria unicolor Obovaria choctawensis Epioblasma Obovaria pinetorum Obovaria arkansasensis Obovaria tallahattae Obovaria neeskaensis Obovaria sipseyensis

Porto-Hannes et al., 2021 [Publ 4227], fig. 3

cst iT tT bi riS oT roT roS iD
0.800 1 1 0 1 14 8 3 0.0
Cladomics cladogram Pseudoon olivarium Ortmanniana Obliquaria Lampsilis ornata Lampsilis radiata 2 Lampsilis siliquoidea Lampsilis radiata 1 Lampsilis virescens Lampsilis hydiana Lampsilis straminea

Lydeard et al., 2000 [Publ 2654], fig. 2a

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 0.0
Cladomics cladogram Lampsilis Obovaria Pseudoon olivarium

Lydeard et al., 2000 [Publ 2654], fig. 2b

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 0.0
Cladomics cladogram Lampsilis Obovaria Pseudoon olivarium

Lydeard et al., 2000 [Publ 2654], fig. 2c

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 0.0
Cladomics cladogram Obovaria Pseudoon olivarium Lampsilis

Lydeard et al., 2000 [Publ 2654], fig. 2d

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 13 2 2 0.0
Cladomics cladogram Lampsilis Obovaria Pseudoon olivarium

Porto-Hannes et al., 2021 [Publ 4227], fig. 4

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 10 6 2 0.0
Cladomics cladogram Pseudoon olivarium Ortmanniana Lampsilis

Hauck et al., 2023 [Publ 4333], fig. 9

cst iT tT bi riS oT roT roS iD
1.000 1 1 0 1 12 1 1 0.0
Cladomics cladogram Pseudoon olivarium Lampsilis