Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Quadrulini

genus Megalonaias Utterback, 1915: cladomics

2 Recent valid species (2 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 = 2 (2 total)
analyzed in 30 cladograms in 20 publications
maximum number of terminals in an analysis = 2 (mean = 1.07, median = 1)

Basic Monophyly

number of cladograms that test basic monophyly (i.e., more than 1 included species) = 2
maximum number of included terminals = 2, (mean = 2 median = 2)
proportion of cladograms that support basic monophyly = 1

Cladograms

Pfeiffer et al., 2018 [Publ 3835], fig. 2

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

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

Rosenberg et al., 1994 [Publ 2719], fig. 3

Lydeard et al., 1996 [Publ 2656], fig. 3

Lydeard et al., 1996 [Publ 2656], fig. 4

Rosenberg et al., 1997 [Publ 2720], fig. 2A

Rosenberg et al., 1997 [Publ 2720], fig. 2B

Krebs et al., 2003 [Publ 2691], fig. 3

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

Campbell et al., 2005 [Publ 2660], fig. 2

Johnson et al., 2018 [Publ 3844], fig. 2

Huang et al., 2019 [Publ 3843], fig. 2

Huang et al., 2019 [Publ 3843], fig. S3

Huang et al., 2019 [Publ 3843], fig. S4

Pfeiffer et al., 2019 [Publ 3866], fig. 1

Lopes-Lima et al., 2019 [Publ 3901], fig. 2

Lopes-Lima et al., 2019 [Publ 3901], fig. 3

Lopes-Lima et al., 2019 [Publ 3901], fig. 4

Neemuchwala et al., 2023 [Publ 4292], fig. 2

Huang et al., 2002 [Publ 2657], fig. 1

Huang et al., 2002 [Publ 2657], fig. 2

Serb et al., 2003 [Publ 2659], fig. 2

Serb et al., 2003 [Publ 2659], fig. 3

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

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

Breton et al., 2011 [Publ 3376], fig. 3

Szumowski et al., 2012 [Publ 3569], fig. 5

Chase et al., 2018 [Publ 3847], fig. 4

Smith, 2021 [Publ 4331], fig. 1

Mulvey et al., 1997 [Publ 3390], fig. 1_3