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 Publication Mörch (1853): taxonomic opinionspublication summary
 Complete CitationMörch, O.A.L. 1853. Acephala. Annulata Cirripedia. Echinodermata. Catalogus Conchyliorum Quae Reliquit D. Alphonso D’Aguirra & Gadnea Comes de Yoldi... 2. 74 pp. Available electronically. Taxonomic OpinionsAetheria [sic] semilunata (Lam.) = Etheria elliptica+ Etheria plumbea Férussac, 1824
 Anodonta anatina (L.) Anodonta cellensis [sic] (Gm.) = Anodonta cygnea Anodonta monstrosa  = Anodonta cygnea+ Anodonta cygnea lingua Mörch, 1863
 Anodonta monstrosa  = Anodonta anatina Anodonta piscinalis Nilsson = Anodonta anatina Anodonta (Patularia) exotica Lam. = Anodontites trapesialis Anodonta (Patularia) latomarginata Lea = Anodontites patagonica Castalia cordata Humph. = Castalia ambigua+ Prisodon truncatus Schumacher, 1817
 + Castalia ambigua Lamarck, 1819
 Castalia cordata Humph. Mutela dubia (Gm.)+ Iridina exotica Lamarck, 1819
 + Anodonta adansonii Gray, 1825
 Mutela (Pliodon) ovata (Sws.) = Pleiodon ovatus+ Pleiodon macmurtriei Conrad, 1834
 + Arca rostrum Wood, 1828
 Mutela (Spatha) chaiziana (Rang) = Aspatharia chaiziana Mutela (Spatha) rubens (Lam.) = Chambardia rubens Triquetra corrugata (Lam.) = Triplodon corrugatus Triquetra obliqua (Sch.) = Prisodon obliquus+ Hyria avicularis Lamarck, 1819
 Unio (Alasmodonta (s.s.)) marginatus (Say) = Alasmidonta varicosa+ Unio varicosa Lamarck, 1819
 + Unio rugulosus Wood, 1828
 Unio (Alasmodonta (s.s.)) marginatus (Say) = Alasmidonta marginata Unio (Alasmodonta Strophitus) undulatus Say = Alasmidonta undulata+ Unio hians Valenciennes, 1827
 Unio (Anodontina) [sic] cataracta (Say) = Pyganodon cataracta Unio (Anodontina) [sic] undulatus (Say) = Strophitus undulatus+ Unio varicosus of Authors, unknown year
 Unio (Baphia) margaritifera (L.) = Margaritifera margaritifera+ Unio elongata Lamarck, 1819
 Unio (Complanaria) complanata (Barnes) = Pterosyna complanata+ Unio gigas Swainson, 1824
 Unio (Crenodonta) plicatus Say = Amblema plicata+ Unio undulata Valenciennes, 1827
 + Unio peruviana Lamarck, 1819
 Unio (Crenodonta) plicatus Say = Megalonaias nervosa Unio (Cyprogenia) stegaria (Raf.) = Cyprogenia stegaria+ Unio irroratus Lea, 1828
 Unio (Diplodon) parallelepipedum [sic] Lea = Diplodon parallelopipedon Unio (Dysnomia) gibbosus (Raf.) = Epioblasma torulosa+ Unio perplexus Lea, 1831
 + Unio obliquus Potiez & Michaud, 1844
 Unio (Elliptio) abruptus Say = Lampsilis abrupta+ Unio cyclops Conrad, 1836
 Unio (Elliptio) carolinensis [sic] Bosc = Uniomerus carolinianus+ Unio arctatus Conrad, 1834
 Unio (Elliptio) carolinensis [sic] Bosc = Elliptio arctata Unio (Elliptio) dilatatus Raf. = Eurynia dilatata+ Unio nasuta Lamarck, 1819
 + Unio gibbosus Barnes, 1823
 Unio (Elliptio) fasciolaris (Raf.) = Ptychobranchus fasciolaris+ Unio phaseolus Hildreth, 1828
 + Unio planulatus Lea, 1829
 Unio (Elliptio) lanceolatus Lea = Elliptio lanceolata Unio (Elliptio) ligamentinus Lam. = Ortmanniana ligamentina+ Unio crassus Say, 1817
 + Unio crassidens Lamarck, 1819
 + Unio ellipticus Barnes, 1823
 + Unio orbiculatus Hildreth, 1828
 Unio (Elliptio) ligamentinus Lam. = Obovaria subrotunda Unio (Elliptio) maculatus Conrad = Pleuronaia dolabelloides Unio (Elliptio) nasutus Say = Sagittunio nasutus+ Unio rostrata Valenciennes, 1827
 Unio (Elliptio) niger Raf. = Elliptio crassidens+ Unio violaceus Spengler, 1793
 + Unio crassidens Lamarck, 1819
 + Unio cuneatus Barnes, 1823
 Unio (Elliptio) niger Raf. = Elliptio complanata Unio (Elliptio) purpureus Say = Elliptio complanata+ Mya complanata Lightfoot, 1786
 + Unio purpurascens Lamarck, 1819
 Unio (Elliptio) teres Raf. = Lampsilis teres+ Unio anodontoides Lea, 1831
 Unio (Hyridella) australis Lam. = Hyridella australis Unio (Lampsilis) cariosus Say = Lampsilis cariosa+ Unio ovata Valenciennes, 1827
 + Unio ventricosus Barnes, 1823
 Unio (Lampsilis) cariosus Say = Lampsilis cardium Unio (Lampsilis) ochraceus Say = Atlanticoncha ochracea Unio (Lampsilis) ovatus Say = Lampsilis ovata Unio (Lampsilis) siliquoideus Barnes = Lampsilis siliquoidea Unio (Lampsilis) virginianus Lam. = Lampsilis radiata+ Mya anatina Gronovius, 1781
 + Mya radiata Gmelin, 1791
 + Unio oblongatus Wood, 1828
 Unio (Lampsilis) virginianus Lam. = Elliptio complanata Unio (Metaptera) latissimus Raf. = Potamilus purpuratus+ Unio poulsoni Conrad, 1834
 Unio (Metaptera) latissimus Raf. = Ligumia recta Unio (Metaptera) megapterus (Raf.) = Potamilus alatus+ Unio alatus Say, 1817
 Unio (Mysca) pictorum (L.) = Unio pictorum Unio (Mysca) tumidus Retz. = Unio tumidus Unio (Naïa) aegyptiacus Caillaud [sic] = Coelatura aegyptiaca Unio (Naïa) corrugatus (Müll.) = Parreysia corrugata Unio (Naïa) spurius (Gm.) = Parreysia corrugata Unio (Naïa) testudinarius Spgl. = Lamellidens marginalis Unio (Niæa) araucanus Philippi = Diplodon chilensis Unio (Niæa) auratus Sws. = Diplodon chilensis Unio (Niæa) chilensis Gray = Diplodon chilensis Unio (Niæa) multistriatus Lea = Diplodon multistriatus+ Unio psammactinus Philippi, 1848
 + Diplodon ellypticum Wagner, 1827
 Unio (Niæa) multistriatus Lea = Diplodon granosus Unio (Niæa) multistriatus Lea = Diplodon ellipticus Unio (Niæa) niloticus Caillaud [sic] = Coelatura aegyptiaca Unio (Obovaria) “orbicularis”  Unio (Obovaria) circulus Lea = Obovaria subrotunda Unio (Obovaria) coccineus Hildr. apud Lea = Pleurobema sintoxia+ Unio catillus Conrad, 1836
 Unio (Obovaria) mytiloides (Raf.) = Pleurobema clava+ Unio pyramidatus Lea, 1831
 Unio (Obovaria) mytiloides (Raf.) = Pleurobema sintoxia Unio (Obovaria) rotundatus Lam. = Glebula rotundata+ Unio rotundatus Wood, 1828
 Unio (Obovaria) rotundatus Lam. = Obovaria subrotunda Unio (Obovaria) torsus (Raf.) = Obovaria retusa+ Unio retusa Lamarck, 1819
 Unio (Orthonymus) cylindricus Say = Theliderma cylindrica+ Unio naviformis Lamarck, 1819
 Unio (Potamida) [sic] crassus Retz. = Unio nanus+ Unio consentaneus Rossmässler, 1836
 Unio (Potamida) [sic] crassus Retz. = Unio crassus Unio (Potamida) [sic] fellmanni Dh. = Potomida littoralis Unio (Potamida) [sic] littoralis Lam. = Potomida littoralis+ Unio rhomboideus Moquin-Tandon, 1855
 Unio (Potamida) [sic] reniformis Schmidt = Unio nanus Unio (Quadrula) asper Lea = Quadrula quadrula Unio (Quadrula) metanever [sic] (Raf.) = Theliderma metanevra Unio (Quadrula) nodosus Barnes = Theliderma metanevra Unio (Quadrula) pustulosus Lea = Pustulosa pustulosa Unio (Quadrula) turgidus Lea = Pustulosa pustulosa Unio (Rhipidodonta) paranensis var. Lea = Diplodon paranensis Unio (Rotundaria) cælatus Conrad = Lemiox rimosus Unio (Scalenaria) scalenarius [sic] (Raf.) = Pleurobema clava Unio (Tritogenia) [sic] verrucosus (Raf.) = Quadrula verrucosa+ Unio tuberculatus Barnes, 1823
 + Unio (Theliderma) pustulata Swainson, 1840
 Unio (Truncilla) triqueter (Raf.) = Epioblasma triquetra+ Unio triangularis Barnes, 1823
 + Unio formosus Lea, 1831
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