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 | Ambleminae | Lampsilini genus Sagittunio Watters, 2018: cladomics 4 Recent valid species (4 total species) Cladomics Summarynumber of species = 4 (4 total) analyzed in 10 cladograms in 7 publications maximum number of terminals in an analysis =
2 (mean = 1.1, median = 1) Basic Monophylynumber of cladograms that test basic monophyly
(i.e., more than 1 included species) = 1 maximum number of included terminals = 2, (mean =
2 median = 2) proportion of cladograms that support basic monophyly
= 1
Campbell & Lydeard, 2026 [Publ 4810], fig. 6-14 ** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram ** | iT | tT | bi | riS | oT | roT | roS | iD | | 2 | 2 | 0 | 2 | 628 | 91 | 26 | -- |
+-------- 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_nasutus **
| | +--------------+ +-----------------+
| | | | | +-- Sagittunio_subrostratus **
| | | | |
| | | | | +----- 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
Graf & Ó Foighil, 2000 [Publ 2648], fig. 2B | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 29 | 11 | 8 | -- |
+-------------------- Truncilla
|
--+ +----------------- Ligumia
| |
| | +-- Ptychobranchus
+--+ +-----------+
| | +-- Sagittunio_nasutus **
| |
+--+ +----------- Lampsilis_siliquoidea
| |
| | +----- Ortmanniana
+--+ +--+
| | | +-- Lampsilis_cardium
| | +--+
+--+ +-- Lampsilis_fasciola
|
| +----- Epioblasma
+--+
| +-- Cambarunio
+--+
+-- Leaunio
Zanatta & Murphy, 2006 [Publ 2672], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 56 | 47 | 22 | -- |
+-- Paetulunio
+-----------------------------------+
| +-- Toxolasma
|
| +----- Obliquaria
| +-----------------------------+
--+ | | +-- Glebula
| | +--+
| | +-- Cyrtonaias
| |
| | +----- Ptychobranchus
| | +--+
+--+ | | +-- Dromus
| | +--+
| +-----------------------+ +-- Cyprogenia
| | |
| | | +----- Medionidus_conradicus
| | +--+
| | | +-- Medionidus_acutissimus
| | +--+
+--+ +-- Lemiox
|
| +----------------------------- Sagittunio_nasutus **
| |
| +----------------------------- 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
Manendo et al., 2008 [Publ 2669], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 12 | 1 | 1 | -- |
+-- Lampsilis
--+
+-- Sagittunio_nasutus **
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_nasutus **
| +--------+
+--+ +-- Lampsilis_ovata
|
| +----- Venustaconcha
+-----+
| | +-- Epioblasma
| +--+
| +-- Obovaria
|
| +-------- Lampsilis_teres
+--+
| +----- Lampsilis_siliquoidea
+--+
| +-- Lampsilis_hydiana
+--+
+-- Lampsilis_straminea
Graf & Ó Foighil, 2000 [Publ 2648], fig. 2A | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 29 | 11 | 8 | -- |
+----------- Ligumia
|
+----------- Truncilla
|
| +-- Ptychobranchus
+--------+
--+ +-- Sagittunio_nasutus **
|
| +-- Lampsilis_siliquoidea
| +-----+
| | +-- Epioblasma
| |
+--+ +----- Ortmanniana
| |
| +----- Cambarunio
+--+
+----- Leaunio
|
| +-- Lampsilis_cardium
+--+
+-- Lampsilis_fasciola
Campbell et al., 2005 [Publ 2660], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 101 | 42 | 22 | -- |
+----- Obliquaria
+--------+
| | +-- Cyrtonaias
| +--+
| +-- Glebula
|
| +----------- Sagittunio_nasutus **
| |
| +----------- 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
Gangloff et al., 2013 [Publ 3551], fig. 2 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 3 | 3 | 2 | -- |
+----- Venustaconcha
--+
| +-- Ligumia
+--+
+-- Sagittunio_nasutus **
Campbell et al., 2005 [Publ 2660], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 101 | 42 | 22 | -- |
+-------- Toxolasma
+--------------------+
| | +----- Obliquaria
| +--+
| | +-- Cyrtonaias
| +--+
| +-- Glebula
|
| +-------------- Potamilus
| |
| | +-------- Medionidus_acutissimus
--+ | +--+
| +-----------+ | | +----- Lemiox
| | | | +--+
| | | | | +-- Dromus
| | | | +--+
| | +--+ +-- Cyprogenia
| | |
| | | +-- Sagittunio_nasutus **
| | | +--+
| | | | +-- 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
Zanatta & Murphy, 2006 [Publ 2672], fig. 1 | iT | tT | bi | riS | oT | roT | roS | iD | | 1 | 1 | 0 | 1 | 55 | 47 | 22 | -- |
+-- Cyrtonaias
+--------------------------------+
| +-- Glebula
|
--+ +-------------------------------- Paetulunio
| |
| | +-- Obliquaria
+--+ +--------------------------+
| | +-- Toxolasma
| |
| | +-------------------------- Sagittunio_nasutus **
+--+ |
| | +----------- 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
|
| +----- Venustaconcha
| +-----+
| | | +-- Obovaria
| | +--+
+--+ +-- Epioblasma
|
| +-------- Lampsilis_siliquoidea
+--+
| +----- Ortmanniana_ligamentina
+--+
| +-- Cambarunio
+--+
+-- Ligumia
|