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 Publication Haas (1929): taxonomic opinionspublication summary
 Complete CitationHaas, F. 1929. Bemerkungen über mittelamerikanische najaden. Senckenbergiana 11: 310-344. Taxonomic OpinionsAnodonta chapalensis Crosse & Fischer = Brachyanodon impura Anodonta coarctata (Anton) = Brachyanodon impura Anodonta grandis globosa Lea = Pyganodon globosa Anodonta grandis grijvalvae [sic] Morelet = Pyganodon globosa Anodonta richardsoni Martens = Brachyanodon impura Anodontites cylindraceus (Lea) = Anodontites cylindracea+ Anodonta strebelii Lea, 1868
 Anodontites trapezialis [sic] bridgesii (Lea) = Anodontites trapesialis+ Anodonta nicaraguae Philippi, 1849
 Anodontites trapezialis [sic] glaucus (Valenciennes) = Anodontites trapesialis Anodontites trapezialis [sic] sinaloensis (Crosse & Fischer) = Anodontites trapesialis Crenodonta digitata (Morelet) = Megalonaias nickliniana Crenodonta nickliniama [sic] (Lea) = Megalonaias nickliniana Crenodonta stolli (Martens) = Megalonaias nickliniana Elliptio (Barynaias) liebmanni (Philippi) = Sphenonaias liebmanni Elliptio (Barynaias) pigerrimus (Crosse & Fischer) = Psoronaias crocodilorum Elliptio (Barynaias) plexus (Conrad) = Sphenonaias plexus Elliptio (Barynaias) sallei (Crosse & Fischer) = Pachynaias spheniopsis+ Unio sallei var. grossus Martens, 1900
 Elliptio (Barynaias) sallei (Crosse & Fischer) = Nephronaias sallei Elliptio (Micronaias) aratus (Lea) = Micronaias arata Elliptio (Micronaias) fallaciosus (Simpson) = Micronaias fallaciosa Elliptio (Micronaias) granadensis (Lea) = Micronaias granadensis Elliptio (Nephronaias) aeruginosus (Morelet) = Nephronaias aztecorum+ Unio plicatulus Küster, 1856
 Elliptio (Nephronaias) aeruginosus (Morelet) = Nephronaias aeruginosa Elliptio (Nephronaias) averyi (Lea) = Nephronaias caldwellii+ Unio caldwellii Lea, 1858
 Elliptio (Nephronaias) aztecorum (Philippi) = Nephronaias aztecorum+ Unio strebelii Lea, 1866
 Elliptio (Nephronaias) calamitarum (Morelet) = Nephronaias calamitarum+ Unio calamitarum var. B prolongata Fischer & Crosse, 1894
 Elliptio (Nephronaias) copanensis (Marts.) = Nephronaias copanensis Elliptio (Nephronaias) dysonii (Lea) = Nephronaias dysonii Elliptio (Nephronaias) goascoranensis (Lea) = Nephronaias goascoranensis+ Unio hjalmarsoni Dunker, 1858
 + Unio tehuantepecensis Crosse & Fischer, 1894
 Elliptio (Nephronaias) goascoranensis (Lea) = Nephronaias tehuantepecensis Elliptio (Nephronaias) goascoranensis (Lea) = Nephronaias hjalmarsoni Elliptio (Nephronaias) gundlachi (Dunker) = Actinonaias gundlachi Elliptio (Nephronaias) hermanni n. sp. = Psoronaias guatemalensis Elliptio (Nephronaias) macnielii (Lea) = Nephronaias macnielii+ Unio (Simonaias) championi Martens, 1900
 Elliptio (Nephronaias) macnielii (Lea) = Nephronaias goascoranensis Elliptio (Nephronaias) mexicanus (Philippi) Elliptio (Nephronaias) ravistellus (Morelet) = Nephronaias ravistella Elliptio (Nephronaias) rowellii (Lea) = Nephronaias rowellii+ Unio (Elliptio) guatemalanus Martens, 1900
 Elliptio (Nephronaias) rowellii (Lea) = Nephronaias goascoranensis Elliptio (Nephronaias) rugulosa (Charpentier in Küster)+ Unio persulcatus Lea, 1859
 Elliptio (Nephronaias) rugulosa (Charpentier in Küster) = Nephronaias calamitarum Elliptio (Nephronaias) scamnatus (Morelet) = Nephronaias scamnata+ Unio (Simonaias) proclinatus Martens, 1900
 Elliptio (Nephronaias) sphenorhynchus (Crosse & Fischer)+ Unio (Nephronaias) ortmanni Frierson, 1913
 Elliptio (Nephronaias) sphenorhynchus (Crosse & Fischer) = Nephronaias ortmanni Elliptio (Nephronaias) tabascoensis (Charpentier in Küster) Elliptio (Nephronaias) verae-pacis (Tristram) = Nephronaias ravistella+ Unio vellicatus Reeve, 1865
 Elliptio (Nephronaias) yzabalensis (Crosse & Fischer) = Nephronaias yzabalensis Elliptio (Popenaias) metallicus var. ganinus (Pilsbry) = Popenaias semirasa Elliptio (Popenaias) popei (Lea) = Popenaias semirasa+ Elliptio (Popenaias) popei var. regalis Haas, 1929
 Elliptio (Popenaias) popei (Lea) = Popenaias popeii Elliptio (Uniomerus) tetralasmus (Say) = Uniomerus tetralasmus Lampsilis (Actinonaias) medellina (Lea) = Actinonaias medellina Lampsilis (Cyrtonaias) explicata (Morelet) = Mesonaias explicata Lampsilis (Cyrtonaias) microdon (Marts.) = Mesonaias explicata+ Lampsilis (Proptera) lividus Simpson, 1900
 + Unio sapperi Ihering, 1901
 + Unio testudineus Reeve, 1865
 Lampsilis (Cyrtonaias) tampicoensis (Lea) = Mesonaias tampicoensis Lampsilis (Cyrtonaias) tampicoensis berlandierii (Lea) = Cyrtonaias berlandierii Lampsilis (Cyrtonaias) umbrosa (Lea) = Mesonaias umbrosa Lampsilis (Delphinonaias) delphinulus (Morelet) = Delphinonaias largillierti Lampsilis (Delphinonaias) planivalvis (Morelet) = Delphinonaias largillierti Lampsilis (Disconaias) discus (Lea) = Disconaias disca Lampsilis (Disconaias) fimbriata Frierson = Disconaias fimbriata Lampsilis (Disconaias) purpuriata (Say)+ Lampsilis (Disconaias) pilsbryana Frierson, 1927
 + Lampsilis purpuriatus Frierson, 1912
 + Unio strebeli Pilsbry, 1910
 Lampsilis (Disconaias) purpuriata (Say) = Disconaias fimbriata Lampsilis (Disconaias) purpuriata (Say) = Nephronaias aztecorum Lampsilis (Friersonia) coyensis (Pilsbry) = Actinonaias coyensis+ Lampsilis (Friersonia) coyensis var. vallesensis Haas, 1929
 Lampsilis (Friersonia) iridella (Pilsbry & Frierson) = Friersonia iridella Lampsilis (Friersonia) signata (Pilsbry) = Actinonaias signata Lampsilis (Friersonia) undivaga (Pilsbry) = Actinonaias signata Pachynaias cyrenoides (Philippi) = Arotonaias cyrenoides Pachynaias imbricata (Mörch) = Arotonaias encarpa Pachynaias rugososulcata (Lea) = Pachynaias spheniopsis Pachynaias spheniopsis (Morelet) Psoronaias crocodilarum [sic] (Morelet) = Psoronaias crocodilorum+ Unio crocodilorum var. B semipustulata Fischer & Crosse, 1894
 Psoronaias herrerae (Marshall) = Psoronaias semigranosa Psoronaias kuxensis (Frierson) = Psoronaias guatemalensis Psoronaias morini (Morelet) = Psoronaias crocodilorum Psoronaias ostreata (Morelet) = Psoronaias crocodilorum Psoronaias psorica (Morelet) = Psoronaias crocodilorum Psoronaias semigranosa (vondembusch) Psoronaias testudinea (Morelet) = Psoronaias crocodilorum Rotundaria percompressa (Martens) = Psoronaias crocodilorum Rotundaria profunda (Simpson) = Psoronaias crocodilorum Rotundaria quadrata (Simpson) = Psoronaias crocodilorum Rotundaria rudis (Simpson) = Psoronaias crocodilorum Rotundaria salinarum n. sp. = Psoronaias crocodilorum Rotundaria usumacintae (Crosse & Fischer) = Psoronaias crocodilorum |