|

Data last updated
Thu 18 Dec 2025
|
Bivalvia
| Unionoida
| Unionoidea
| Unionidae
| Gonideinae
| Gonideini
genus Ptychorhynchus Simpson, 1900: cladomics4 Recent valid species (4 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 = 4 (4 total)
analyzed in 58 cladograms in 32 publications
maximum number of terminals in an analysis = 1 (mean = 1, median = 1)
Basic Monophyly
number of cladograms that test basic monophyly (i.e., more than 1 included species) = 0
maximum number of included terminals = , (mean = median = )
proportion of cladograms that support basic monophyly = 0
Cladograms
** Top Monophyly Cladogram ** ** Top Sister-Group Cladogram **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
47 |
16 |
11 |
-- |
+-------------------- Sinosolenaia
|
| +----- Gonidea
--+ +-----------+
| | | +-- Leguminaia
| | +--+
+--+ +-- Microcondylaea
|
| +-------------- Pseudopostolata
| |
+--+ +-- Koreosolenaia
| +--------+
| | +-- Parvasolenaia
+--+
| +-------- Postolata
| |
+--+ +-- Obovalis
| +--+
| | +-- Ptychorhynchus_pfisteri **
+--+
| +-- Guiunio
+--+
+-- Cosmopseudodon
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
47 |
3 |
2 |
-- |
+----- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
91 |
6 |
4 |
-- |
+-------- Inversidens
|
--+ +-- Parvasolenaia
| +--+
| | +-- Ptychorhynchus_pfisteri **
+--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
90 |
7 |
6 |
-- |
+----- Gonidea
+-----+
| | +-- Leguminaia
| +--+
--+ +-- Microcondylaea
|
| +-------- Inversidens
+--+
| +----- Sinosolenaia
+--+
| +-- Parvasolenaia
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
73 |
4 |
3 |
-- |
+-- Ptychorhynchus_pfisteri **
+--+
| +-- Parvasolenaia
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
44 |
13 |
9 |
-- |
+-------------- Sinosolenaia
|
| +----- Gonidea
--+ +-----+
| | | +-- Leguminaia
| | +--+
| | +-- Microcondylaea
+--+
| +-- Koreosolenaia
| +-----+
| | +-- Parvasolenaia
+--+
| +----- Postolata
+--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Obovalis
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
117 |
8 |
5 |
-- |
-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
36 |
8 |
7 |
-- |
+-------------- Sinosolenaia
|
| +-- Gonidea
--+ +--------+
| | +-- Microcondylaea
| |
+--+ +-- Koreosolenaia
| +-----+
| | +-- Parvasolenaia
+--+
| +----- Postolata
+--+
| +-- Obovalis
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
30 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
73 |
4 |
3 |
-- |
+-- Parvasolenaia
+--+
| +-- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
36 |
8 |
7 |
-- |
+-------------- Sinosolenaia
|
--+ +-- Gonidea
| +--------+
| | +-- Microcondylaea
+--+
| +-------- Koreosolenaia
+--+
| +----- Parvasolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
198 |
8 |
6 |
-- |
+----------- Sinosolenaia
|
| +----- Gonidea
--+ +--+
| | | +-- Leguminaia
| | +--+
+--+ +-- Microcondylaea
|
| +----- Ptychorhynchus_pfisteri **
+--+
| +-- Parvasolenaia
+--+
+-- Koreosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
200 |
9 |
6 |
-- |
+-------- Sinosolenaia_carinata
|
| +----- Gonidea
+--+
| | +-- Leguminaia
| +--+
| +-- Microcondylaea
--+
| +----- Ptychorhynchus_pfisteri **
+--+
| | +-- Parvasolenaia
| +--+
| +-- Koreosolenaia
|
| +----- Sinosolenaia_recognita
+--+
| +-- Sinosolenaia_iridinea
+--+
+-- Sinosolenaia_oleivora
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
95 |
5 |
3 |
-- |
+-- Ptychorhynchus_pfisteri **
+--+
| +-- Microcondylaea
--+
| +-- Parvasolenaia
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
90 |
7 |
6 |
-- |
+----- Sinosolenaia
+-----+
| | +-- Ptychorhynchus_pfisteri **
| +--+
--+ +-- Parvasolenaia
|
| +-------- Inversidens
+--+
| +----- Gonidea
+--+
| +-- Microcondylaea
+--+
+-- Leguminaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
52 |
3 |
3 |
-- |
+-------- Microcondylaea
--+
| +----- Sinosolenaia
+--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Parvasolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
33 |
1 |
1 |
-- |
-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
11 |
9 |
6 |
-- |
+-------------- Sinosolenaia_carinata
|
| +----- Inversidens
--+ +-----+
| | | +-- Gonidea
| | +--+
+--+ +-- Leguminaia
|
| +-------- Sinosolenaia_oleivora
+--+
| +----- Postolata
+--+
| +-- Obovalis
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
67 |
2 |
2 |
-- |
+-- Obovalis
--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
48 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
121 |
11 |
8 |
-- |
+-------- Sinosolenaia
+--+
| | +----- Gonidea
| +--+
| | +-- Leguminaia
--+ +--+
| +-- Microcondylaea
|
| +-------- Inversidens
| |
+--+ +-- Obovalis
| +--+
| | +-- Ptychorhynchus_pfisteri **
+--+
| +-- Parvasolenaia
+--+
+-- Koreosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
87 |
5 |
4 |
-- |
+-- Microcondylaea
+-----+
| +-- Sinosolenaia
--+
| +----- Parvasolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
200 |
9 |
6 |
-- |
+----------- Sinosolenaia
|
| +----- Gonidea
--+ +--+
| | | +-- Leguminaia
| | +--+
+--+ +-- Microcondylaea
|
| +-- Ptychorhynchus_pfisteri **
| |
+-----+-- Parvasolenaia
|
+-- Koreosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
52 |
5 |
4 |
-- |
+-- Microcondylaea
+-----+
| +-- Sinosolenaia
--+
| +----- Parvasolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
43 |
3 |
2 |
-- |
+----- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
55 |
5 |
5 |
-- |
+----------- Sinosolenaia
|
--+ +-- Ptychorhynchus_pfisteri **
| +-----+
| | +-- Parvasolenaia
+--+
| +----- Gonidea
+--+
| +-- Microcondylaea
+--+
+-- Leguminaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
27 |
11 |
7 |
-- |
+----------------- Inversidens
|
--+ +-- Microcondylaea
| +-----------+
| | +-- Sinosolenaia
+--+
| +----------- Parvasolenaia
+--+
| +-------- Koreosolenaia
+--+
| +----- Ptychorhynchus_pfisteri **
+--+
| +-- Postolata
+--+
+-- Cosmopseudodon
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
53 |
3 |
2 |
-- |
+----- Sinosolenaia
--+
| +-- Parvasolenaia
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
53 |
8 |
5 |
-- |
+-- Microcondylaea
+--------+
| +-- Sinosolenaia
--+
| +-------- Parvasolenaia
+--+
| +----- Ptychorhynchus_pfisteri **
+--+
| +-- Postolata
+--+
+-- Cosmopseudodon
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
67 |
2 |
2 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Obovalis
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
15 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
32 |
3 |
3 |
-- |
+-- Obovalis
--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
30 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
55 |
3 |
2 |
-- |
+----- Sinosolenaia
--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Parvasolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
95 |
5 |
3 |
-- |
+-------- Microcondylaea
--+
| +----- Sinosolenaia
+--+
| +-- Parvasolenaia
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
46 |
6 |
2 |
-- |
+----- Parvasolenaia_rivularis
--+
| +-- Parvasolenaia_triangularis
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
36 |
8 |
7 |
-- |
+----------------- Inversidens
|
--+ +-------------- Sinosolenaia
| |
+--+ +-- Gonidea
| +--------+
| | +-- Microcondylaea
+--+
| +-------- Koreosolenaia
+--+
| +----- Parvasolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
68 |
4 |
3 |
-- |
+-- Parvasolenaia
+--+
| +-- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
23 |
7 |
6 |
-- |
+-- Ptychorhynchus_pfisteri **
+--------+
| +-- Parvasolenaia
--+
| +-------- Inversidens
+--+
| +----- Gonidea
+--+
| +-- Microcondylaea
+--+
+-- Leguminaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
37 |
9 |
8 |
-- |
+-------------------- Sinosolenaia
|
--+ +-- Gonidea
| +--------------+
| | +-- Microcondylaea
+--+
| +-------------- Koreosolenaia
+--+
| +----------- Parvasolenaia
+--+
| +-------- Postolata
+--+
| +----- Cosmopseudodon
+--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Obovalis
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
46 |
15 |
10 |
-- |
+-------------------- Sinosolenaia
|
| +----- Gonidea
--+ +-----------+
| | | +-- Leguminaia
| | +--+
+--+ +-- Microcondylaea
|
| +-------------- Pseudopostolata
| |
+--+ +-- Parvasolenaia
| +--------+
| | +-- Koreosolenaia
+--+
| +-------- Postolata
+--+
| +----- Ptychorhynchus_pfisteri **
+--+
| +-- Obovalis
+--+
+-- Cosmopseudodon
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
67 |
2 |
2 |
-- |
+----- Inversidens
--+
| +-- Obovalis
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
36 |
8 |
7 |
-- |
+-------------- Sinosolenaia
|
--+ +----------- Gonidea
| |
+--+----------- Microcondylaea
|
| +-------- Koreosolenaia
+--+
| +----- Parvasolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
43 |
3 |
2 |
-- |
+----- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
52 |
4 |
3 |
-- |
+-------- Sinosolenaia_carinata
|
--+ +----- Gonidea
| |
+--+----- Sinosolenaia_oleivora
|
| +-- Parvasolenaia
+--+
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
37 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
44 |
13 |
9 |
-- |
+-------------- Sinosolenaia
|
| +----- Gonidea
--+ +-----+
| | | +-- Leguminaia
| | +--+
| | +-- Microcondylaea
+--+
| +-- Koreosolenaia
| +-----+
| | +-- Parvasolenaia
+--+
| +----- Postolata
+--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Obovalis
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
33 |
1 |
1 |
-- |
-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
8 |
4 |
3 |
-- |
+-- Postolata
+--+
| +-- Obovalis
--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Cosmopseudodon
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
91 |
6 |
4 |
-- |
+-------- Inversidens
|
--+ +-- Parvasolenaia
| +--+
| | +-- Ptychorhynchus_pfisteri **
+--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
44 |
6 |
2 |
-- |
+----- Parvasolenaia
--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
85 |
4 |
3 |
-- |
+-- Ptychorhynchus_pfisteri **
+--+
| +-- Parvasolenaia
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
73 |
4 |
3 |
-- |
+-- Parvasolenaia
+--+
| +-- Ptychorhynchus_pfisteri **
--+
| +-- Microcondylaea
+--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
39 |
2 |
1 |
-- |
+----- Sinosolenaia_oleivora
--+
| +-- Ptychorhynchus_pfisteri **
+--+
+-- Sinosolenaia_carinata
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
33 |
3 |
3 |
-- |
+-------- Sinosolenaia
|
--+ +----- Inversidens
| |
+--+ +-- Obovalis_omiensis__1
| |
+--+-- Obovalis_omiensis__2
|
+-- Ptychorhynchus_pfisteri **
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
111 |
8 |
5 |
-- |
+-- Sinosolenaia_iridinea
|
+-- Sinosolenaia_recognita__1
|
+-- Sinosolenaia_carinata
|
+-- Leguminaia
|
+-- Microcondylaea
--+
+-- Gonidea
|
+-- Ptychorhynchus_pfisteri **
|
+-- Parvasolenaia
|
+-- Sinosolenaia_recognita__2
|
+-- Sinosolenaia_oleivora
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
45 |
2 |
1 |
-- |
+-- Ptychorhynchus_pfisteri **
--+
+-- Sinosolenaia
| iT | tT | bi | riS | oT | roT | roS | iD |
| 1 |
1 |
0 |
1 |
36 |
8 |
7 |
-- |
+-------------- Sinosolenaia
|
--+ +-- Gonidea
| +--------+
| | +-- Microcondylaea
+--+
| +-------- Parvasolenaia
+--+
| +----- Koreosolenaia
+--+
| +-- Postolata
+--+
+-- Ptychorhynchus_pfisteri **
|