Mya corrugata Müller, 1774
Müller, 1774, Verm. Terr. et Fluv. 2: 214, sp. 398.
Müller, 1779, Besch. Ges. Nat. Ber. 4: 56, pl. 3b, figs. 7-8.
Martini & Chemnitz, 1782, Conchyl. Cab. 6: 31, pl. 3, figs. 22a-b.

Mya corrugata — Müller (1774), Gmelin (1791), Schreibers (1793), Dillwyn (1817), Wood (1825)
Unio corrugatus — Retzius (1788), Spengler (1793), Wood (1828), Menke (1828), Menke (1830), Hanley (1843), Küster (1862), Sowerby (1868), Hanley & Theobald (1872)
Mya gaditana — Schreibers (1793)
Unio corrugata — Lamarck (1819), Bory de St. Vincent (1827), Deshayes (1830), Ravenel (1834)
Obliquaria (Aximedia) corrugata — Rafinesque (1831)
Margarita (Unio) corrugatus — Lea (1836)
Margarita (Unio) corrugata — Lea (1838)
Castalia (Naïa) corrugata — Swainson (1840)
Margaron (Unio) corrugatus — Lea (1852), Lea (1870)
Unio (Naïa) corrugatus — Mörch (1853)
Unio (Niäa) corrugatus — Adams & Adams (1857)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Thiele (1934), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia corrugata — Ortmann (1910), Modell (1942), Haas (1969), Janaki Ram & Radhakrishna (1984), ..., Zieritz et al. (2018), Jeratthitikul et al. (2019), Graf & Cummings (2021), Bieler (2021)
Parreysia cf. corrugata — Bolotov et al. (2017), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Bolotov et al. (2020)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio sikkimensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 151.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 251, pl. 39, fig. 131.
Type(s): LECTOTYPE BMNH_1965177, Sikkim, India.

Unio sikkimensis — Lea (1859), Sowerby (1868), Hanley & Theobald (1870), Hanley & Theobald (1874)
Margaron (Unio) sikkimensis — Lea (1870)
Parreysia (s.s.) sikkimensis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia sikkimensis — Haas (1969), Nesemann et al. (2003), Nesemann et al. (2007), IUCN (2010), Bogan (2010), Graf & Cummings (2021)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 188.
Type(s): SYNTYPES BMNH_1965215, Assam.

Unio favidens — Benson (1862), Hanley & Theobald (1870)
Margaron (Unio) corrugatus — Lea (1852)
Unio flavidens — Reeve (1865)
Margaron (Unio) favidens — Lea (1870)
Unio favidens var. — Hanley & Theobald (1874)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreyssia favidens — Prashad (1919)
Parreysia favidens — Haas (1969), Nesemann et al. (2003), IUCN (2010), Bogan (2010), Pfeiffer et al. (2018), Zieritz et al. (2018), Graf & Cummings (2021)
Parreysia favidens favidens — Nesemann et al. (2007)
Parreysia cf. favidens — Bolotov et al. (2020)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio smaragdites Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 190.

Unio smaragdites — Benson (1862), Hanley & Theobald (1870), Tapparone Canefri (1889), Martens (1899)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) smaragdites — Preston (1912), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia smaragdites — Prashad (1922), IUCN (2010), Bogan (2010), Zieritz et al. (2018), Graf & Cummings (2021)
Parreysia favidens — Haas (1969)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. viridula Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 189.
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Unio favidens var. viridula — Benson (1862)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) favidens var. irridula — Preston (1912)
Parreysia (s.s.) favidens var. viridula — Preston (1915)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) favidens viridula — Subba Rao (1989)
Parreysia viridula — Nesemann et al. (2003), Nesemann et al. (2007), Graf & Cummings (2021)
Parreysia (s.s.) favidens subsp. viridula — Ramakrishna & Dey (2007)
Parreysia favidens viridula — IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio feddeni Theobald, 1873
Theobald, 1873, J. Asiat. Soc. Bengal 42: 208, pl. 17, fig. 3.

Unio feddeni — Theobald (1873), Nevill (1877)
Parreysia (s.s.) feddeni — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007)
Parreysia feddeni — Prashad (1922), Haas (1969), IUCN (2010), Bogan (2010), Zieritz et al. (2018)
Leoparreysia feddeni — Bolotov et al. (2017), Graf & Cummings (2021)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio gowhattensis Theobald, 1873
Theobald, 1873, J. Asiat. Soc. Bengal 42: 208, pl. 17, fig. 4-a.

Unio gowhattensis — Theobald (1873)
Parreysia (s.s.) gowhattenensis — Simpson (1900)
Parreysia (s.s.) gowhattensis — Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia gowhattensis — Haas (1969), Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Parreysia (Parreysia) annandalei Preston, 1912
Preston, 1912, Rec. Ind. Mus. 7: 302.
Preston, 1915, Fauna Brit. India: 173, text fig. 18.
Type(s): TYPES ZSI_M2490-1, Gowhatty.

Parreysia (Parreysia) annandalei — Preston (1912)
Parreysia (s.s.) annandalei — Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia favidens — Haas (1969)
Parreysia annandalei — Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. chrysis Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 189.
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Unio favidens var. chrysis — Benson (1862), Hanley & Theobald (1872)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) favidens var. chrysis — Preston (1912), Preston (1915), Ramakrishna & Dey (2007)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) favidens chrysis — Subba Rao (1989)
Parreysia favidens chrysis — Nesemann et al. (2007), IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. deltae Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 189 [as ‘deltæ’].
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Unio favidens var. deltae — Benson (1862)
Unio favidens var. deltæ — Hanley & Theobald (1872)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) favidens var. deltae — Preston (1912), Preston (1915)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) favidens deltae — Subba Rao (1989)
Parreysia (s.s.) favidens subsp. deltae — Ramakrishna & Dey (2007)
Parreysia favidens deltae — Nesemann et al. (2007), IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. densa Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 189.
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Unio favidens var. densa — Benson (1862)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) favidens var. densa — Preston (1915)
Parreysia favidens — Haas (1969)
Parreysia favidens densa — IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. marcens Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 188.
(intro'd as intra-sp. of Unio favidens Benson, 1862)
Type(s): POSSIBLE SYNTYPE MCZ_175550, Berhampooter River, Assam, India.

Unio favidens var. marcens — Benson (1862)
Unio marcens — Hanley & Theobald (1872)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Simpson (1914)
Parreysia (s.s.) favidens var. marcens — Preston (1915), Ramakrishna & Dey (2007)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) f. marcens — Subba Rao (1989)
Parreysia favidens marcens — IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio favidens var. trigona Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 188.
(homonym of Unio trigonus Lea, 1831; intro'd as intra-sp. of Unio favidens Benson, 1862)

Unio favidens var. trigona — Benson (1862)
Parreysia (s.s.) favidens — Simpson (1900), Simpson (1914)
Parreysia (s.s.) favidens var. trigona — Preston (1915)
Parreysia favidens — Haas (1969)
Parreysia favidens trigona — IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Parreysia favidens var. assamensis Preston, 1912
‘Nevill, MS’ Preston, 1912, Rec. Ind. Mus. 7: 299.
‘Nevill MS’ Preston, 1915, Fauna Brit. India: 161, text fig. 12.
(intro'd as intra-sp. of Unio favidens Benson, 1862)

Parreysia favidens var. assamensis — Preston (1912)
Parreysia (s.s.) favidens var. assamensis — Preston (1912), Simpson (1914), Preston (1915), Ramakrishna & Dey (2007)
Parreysia favidens — Haas (1969)
Parreysia (s.s.) favidens assamensis — Subba Rao (1989)
Parreysia favidens assamensis — IUCN (2011)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio wynegungaensis Lea, 1860
Lea, 1860, Proc. Acad. Nat. Sci. 11: 331.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 271, pl. 45, fig. 151.
Type(s): HOLOTYPE USNM_85328, Wynegunga R., Deccan, India.

Unio wynegungaensis — Lea (1860), Hanley & Theobald (1872)
Unio wynegungensis — Sowerby (1868)
Margaron (Unio) wynegungaensis — Lea (1870)
Parreysia (s.s.) wynegungaensis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia wynegungaensis — Ortmann (1910), Ortmann (1912), Nazneen & Begum (1994)
Parreysia (s.s.) corrugata nagpoorensis — Subba Rao (1989)
Parreysia (Radiatula) wynegungaensis — Burdi et al. (2009)

Unio laevirostris Benson, 1862
Benson, 1862, Ann. Mag. Nat. Hist. 10: 191.

Unio laevirostris — Benson (1862)
Unio corrugatus var. laevirostris — Hanley & Theobald (1872)
Parreysia (s.s.) corrugata var. laevirostris — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969)
Parreysia (s.s.) corrugata laevirostris — Subba Rao (1989)
Parreysia corrugata laevirostris — Nesemann et al. (2003), Nesemann et al. (2007)
Parreysia (s.s.) corrugata sub sp. laevirostris — Ramakrishna & Dey (2007)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Mya spuria Gmelin, 1791
Schröter, 1783, Einl. Conch. 2: 617, sp. 9, pl. 7, fig. 5. [non-binomial]
Gmelin, 1791, Syst. Nat. 1(6): 3222, sp. 16.

Mya spuria — Gmelin (1791), Schreibers (1793), Wood (1825)
Mya rugosa var. spuria — Dillwyn (1817)
Margarita (Unio) corrugatus — Lea (1836)
Margarita (Unio) corrugata — Lea (1838)
Unio corrugatus — Hanley (1843), Sowerby (1868)
Margaron (Unio) corrugatus — Lea (1852), Lea (1870)
Unio (Naïa) spurius — Mörch (1853)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969)

Mya gaditana Schreibers, 1793
Martini & Chemnitz, 1782, Conchyl. Cab. 6: pl. 3, fig. 22.
Schreibers, 1793, Versuch Conch. Linnes: 6, sp. 14.

Mya gaditana — Schreibers (1793)
Margaron (Unio) corrugatus — Lea (1870)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)

Unio corrugata Bruguière, 1797
Bruguière, 1797, Encycl. Méth. 2: pl. 248, fig. 6.
‘Müller’ Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 78, var. b. [in part]
(reference to Mya corrugata Müller, 1774)

Unio corrugata — Bruguière (1797), Bory de St. Vincent (1827), Lea (1829)
Margarita (Unio) corrugata — Lea (1838)
Castalia (Naïa) picta — Swainson (1840)
Margaron (Unio) corrugatus — Lea (1852), Lea (1870)
Unio corrugatus — Küster (1862)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912)

Unio spuria Lamarck, 1819
Schröter, 1783, Einl. Conch. 2: 617, sp. 9, pl. 7, fig. 5. [non-binomial]
Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 80, sp. 45.
(reference to Mya spuria Gmelin, 1791)

Unio spuria — Lamarck (1819)
Margarita (Unio) corrugatus — Lea (1836)
Margarita (Unio) corrugata — Lea (1838)
Unio corrugatus — Hanley (1843)
Margaron (Unio) corrugatus — Lea (1870)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1915)

Mya spuria Wood, 1825
‘Gmelin’ Wood, 1825, Index Testac.: 12, pl. 2, sp. 35.
(reference to Mya spuria Gmelin, 1791)

Mya spuria — Wood (1825)
Margarita (Unio) corrugata — Lea (1838)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)

Unio triradiata Lea, 1836
Lea, 1836, Synopsis Fam. Naiades: 29.
(intro'd as syn of Mya corrugata Müller, 1774)

Unio triradiata — Lea (1836)
Margarita (Unio) corrugatus — Lea (1836)
Margarita (Unio) corrugata — Lea (1838)
Margaron (Unio) corrugatus — Lea (1852), Lea (1870)

Castalia (Naïa) picta Swainson, 1840
Bruguière, 1797, Encycl. Méth. 2: pl. 248, fig. 6.
‘Müller’ Lamarck, 1819, Hist. Natur. Anim. sans Vert. 6: 78, var. b [as ‘Unio corrugata’]. [in part]
Swainson, 1840, Treat. Malacol.: 379.

Castalia (Naïa) picta — Swainson (1840)

Unio fulmineus Philippi, 1847
‘Parreyss’ Philippi, 1847, Abbild. Beschr. Conch. 3: 46, pl. 3, figs. 5-6.
Type(s): SYNTYPES? BMNH_41-4-18-135-138, Australia [No - SE Asia].

Unio fulmineus — Philippi (1847), Küster (1862)
Margaron (Unio) corrugatus — Lea (1852), Lea (1870)
Unio multidentatus var. fulmineus — E.A. Smith (1881)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969)

Unio multidentatus Philippi, 1847
‘Parreyss’ Philippi, 1847, Abbild. Beschr. Conch. 3: 46, pl. 3, fig. 4.

Unio multidentatus — Philippi (1847), Küster (1855), E.A. Smith (1881)
Margaron (Unio) multidentatus — Lea (1852), Lea (1870)
Parreysia multidentatus — Conrad (1853)
Unio (Hyridella) multidentatus — Adams & Adams (1857)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Thiele (1934), Graf & Cummings (2007)
Parreysia corrugata — Haas (1969), Graf & Cummings (2021)

Mya gardiana Lea, 1852
‘Lin. Schreib.’ Lea, 1852, Synopsis Fam. Naiades: 20.
(intro'd as syn of Mya corrugata Müller, 1774)

Mya gardiana — Lea (1852)
Margaron (Unio) corrugatus — Lea (1852)

Unio lutens Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 93.
(incorrect original spelling of Unio luteus Lea, 1856)

Unio lutens — Lea (1856)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Haas (1969), Bieler (2021)

Unio luteus Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 93 [as ‘lutens’].
Lea, 1857, Jour. Acad. Nat. Sci. 3 [O. 6]: 291 [11], pl. 24, fig. 4.
(correct name for Unio lutens Lea, 1856)
Type(s): HOLOTYPE AMNH_29109, Newville [Tavoy], Burma, Asia.

Unio luteus — Lea (1856)
Margaron (Unio) luteus — Lea (1870)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia corrugata — Bieler (2021)

Unio semirugatus Chenu, 1858
Chenu, 1858, Illustr. Conchyl.: pl. 12, figs. 2-2a.
(homonym of Unio semirugata Lamarck, 1819)

Unio semirugatus — Chenu (1858)
Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)

Unio flavus Küster, 1861
‘Benson’ Küster, 1861, Conchyl. Cab. 9(2): 233.
(intro'd as syn of Unio merodabensis Küster, 1861)

Unio flavus — Küster (1861)
Unio merodabensis — Küster (1861)

Unio tripartitus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 190.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 57 [61], pl. 19, fig. 55.
Type(s): HOLOTYPE USNM_84397, India.

Unio tripartitus — Lea (1863), Lea (1866)
Margaron (Unio) tripartitus — Lea (1870)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Preston (1915)
Parreysia (s.s.) favidens var. tripartitus — Simpson (1914)
Parreysia favidens — Haas (1969)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)

Unio flavidens Reeve, 1865
‘Benson’ of Authors.
Reeve, 1865, Conch. Icon. 16: pl. 26, sp. 131; errata [changed to ‘favidens’].
Paetel, 1890, Cat. Conch.-Samml. 3: 152.
(error for Unio favidens Benson, 1862)

Unio flavidens — Reeve (1865)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1915)

Unio pumilus Sowerby, 1866
‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 36, sp. 198.
(misidentified reference to Unio pumilus Lea, 1838)

Unio pumilus — Sowerby (1866)
Quadrula (sec. Fusconaia) pumila — Simpson (1900)
Parreysia robsoni — Frierson (1927)
Parreysia favidens — Haas (1969)

Unio wynegungensis Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 67, sp. 339.
(error for Unio wynegungaensis Lea, 1860)

Unio wynegungensis — Sowerby (1868)
Parreysia (s.s.) wynegungaensis — Simpson (1900), Preston (1912)

Unio wynegungaensis Hanley & Theobald, 1872
Hanley & Theobald, 1872, Conch. Indica (3): 21, pl. 45, fig. 6.
(reference to Unio wynegungaensis Lea, 1860)

Unio wynegungaensis — Hanley & Theobald (1872)
Parreysia (s.s.) corrugata — Simpson (1900), Simpson (1914), Preston (1915)
Parreysia (s.s.) wynegungaensis — Preston (1912)
Parreysia corrugata — Haas (1969)

Unio corrugatus var. fragilis Hanley & Theobald, 1872
Hanley & Theobald, 1872, Conch. Indica (3): 21, pl. 45, fig. 4.
(intro'd as intra-sp. of Mya corrugata Müller, 1774; homonym of Unio (Leptodea) fragilis Rafinesque, 1820)
Type(s): HOLOTYPE BMNH_1968651, [no locality available - Asia].

Unio corrugatus var. fragilis — Hanley & Theobald (1872)
Parreysia (s.s.) corrugata var. fragilis — Preston (1912), Preston (1915)
Parreysia corrugata — Haas (1969)

Unio corrugatus var. nagporensis Hanley & Theobald, 1872
Hanley & Theobald, 1872, Conch. Indica (3): 21.
(error for Unio nagpoorensis Lea, 1860)

Unio corrugatus var. nagporensis — Hanley & Theobald (1872)
Parreysia (s.s.) corrugata var. nagpoorensis — Preston (1912)

Unio corrugatus var. solida Hanley & Theobald, 1872
Hanley & Theobald, 1872, Conch. Indica (3): 21, pl. 45, fig. 2.
(intro'd as intra-sp. of Mya corrugata Müller, 1774; homonym of Unio solidus Lea, 1838)

Unio corrugatus var. solida — Hanley & Theobald (1872)
Parreysia corrugata — Haas (1969)

Unio gowlattensis Paetel, 1890
‘Theob.’ Paetel, 1890, Cat. Conch.-Samml. 3: 154.
(error for Unio gowhattensis Theobald, 1873)

Unio gowlattensis — Paetel (1890)
Parreysia (s.s.) gowhattenensis — Simpson (1900)
Parreysia (s.s.) gowhattensis — Simpson (1914), Preston (1915)

Parreysia gowhattenensis Simpson, 1900
‘Theobald’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 845.
(error for Unio gowhattensis Theobald, 1873)

Parreysia gowhattenensis — Simpson (1900)
Parreysia (s.s.) gowhattensis — Preston (1912), Simpson (1914)

Unio phayresi Simpson, 1900
‘Theobald’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 842.
Simpson, 1914, Descr. Cat. Naiades: 1107.
Preston, 1915, Fauna Brit. India: 155.
(intro'd as syn of Mya corrugata Müller, 1774)

Unio phayresi — Simpson (1900)
Parreysia (s.s.) corrugata — Simpson (1900), Simpson (1914), Preston (1915)

Parreysia (s.s.) favidens var. irridula Preston, 1912
‘Benson’ Preston, 1912, Rec. Ind. Mus. 7: 299.
(error for Unio favidens var. viridula Benson, 1862)

Parreysia (s.s.) favidens var. irridula — Preston (1912)

Parreysia robsoni Frierson, 1927
‘Lea’ Sowerby, 1866, Conch. Icon. 16: pl. 36, sp. 198 [as ‘Unio pumilus’].
Frierson, 1927, Check List N. Amer. Naiades: 45.
Type(s): HOLOTYPE BMNH_1965150, Loc._ ?

Parreysia robsoni — Frierson (1927)
Parreysia favidens — Haas (1969)

Taxonomic History (since 1900)

Parreysia (s.s.) corrugata — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Thiele (1934), Haas (1969), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia (s.s.) favidens — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia (s.s.) sikkimensis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia (s.s.) wynegungaensis — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Parreysia (s.s.) corrugata var. laevirostris — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915)
Quadrula (sec. Fusconaia) pumila — Simpson (1900)
Parreysia (s.s.) feddeni — Simpson (1900), Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007)
Parreysia (s.s.) gowhattenensis — Simpson (1900)
Parreysia gowhattenensis — Simpson (1900)
Unio phayresi — Simpson (1900)
Parreysia corrugata — Ortmann (1910), Modell (1942), Haas (1969), Janaki Ram & Radhakrishna (1984), ..., Zieritz et al. (2018), Jeratthitikul et al. (2019), Graf & Cummings (2021), Bieler (2021)
Parreysia wynegungaensis — Ortmann (1910), Ortmann (1912), Nazneen & Begum (1994)
Parreysia (s.s.) smaragdites — Preston (1912), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia (s.s.) favidens var. chrysis — Preston (1912), Preston (1915), Ramakrishna & Dey (2007)
Parreysia (s.s.) favidens var. deltae — Preston (1912), Preston (1915)
Parreysia (s.s.) favidens var. irridula — Preston (1912)
Parreysia (s.s.) corrugata var. fragilis — Preston (1912), Preston (1915)
Parreysia (s.s.) corrugata var. nagpoorensis — Preston (1912)
Parreysia (s.s.) gowhattensis — Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia favidens var. assamensis — Preston (1912)
Parreysia (s.s.) favidens var. assamensis — Preston (1912), Simpson (1914), Preston (1915), Ramakrishna & Dey (2007)
Parreysia (Parreysia) annandalei — Preston (1912)
Parreysia (s.s.) annandalei — Preston (1912), Simpson (1914), Preston (1915), Subba Rao (1989), Graf & Cummings (2007), Ramakrishna & Dey (2007)
Parreysia (s.s.) favidens var. tripartitus — Simpson (1914)
Parreysia (s.s.) favidens var. densa — Preston (1915)
Parreysia (s.s.) favidens var. marcens — Preston (1915), Ramakrishna & Dey (2007)
Parreysia (s.s.) favidens var. trigona — Preston (1915)
Parreysia (s.s.) favidens var. viridula — Preston (1915)
Parreyssia favidens — Prashad (1919)
Parreysia smaragdites — Prashad (1922), IUCN (2010), Bogan (2010), Zieritz et al. (2018), Graf & Cummings (2021)
Parreysia feddeni — Prashad (1922), Haas (1969), IUCN (2010), Bogan (2010), Zieritz et al. (2018)
Parreysia robsoni — Frierson (1927)
Parreysia sikkimensis — Haas (1969), Nesemann et al. (2003), Nesemann et al. (2007), IUCN (2010), Bogan (2010), Graf & Cummings (2021)
Parreysia favidens — Haas (1969), Nesemann et al. (2003), IUCN (2010), Bogan (2010), Pfeiffer et al. (2018), Zieritz et al. (2018), Graf & Cummings (2021)
Parreysia gowhattensis — Haas (1969), Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Parreysia (s.s.) corrugata nagpoorensis — Subba Rao (1989)
Parreysia (s.s.) corrugata laevirostris — Subba Rao (1989)
Parreysia (s.s.) favidens chrysis — Subba Rao (1989)
Parreysia (s.s.) favidens deltae — Subba Rao (1989)
Parreysia (s.s.) f. marcens — Subba Rao (1989)
Parreysia (s.s.) favidens viridula — Subba Rao (1989)
Parreysia (s.s.) favidens assamensis — Subba Rao (1989)
Parreysia corrugata laevirostris — Nesemann et al. (2003), Nesemann et al. (2007)
Parreysia viridula — Nesemann et al. (2003), Nesemann et al. (2007), Graf & Cummings (2021)
Parreysia favidens favidens — Nesemann et al. (2007)
Parreysia (s.s.) corrugata sub sp. laevirostris — Ramakrishna & Dey (2007)
Parreysia favidens chrysis — Nesemann et al. (2007), IUCN (2011)
Parreysia (s.s.) favidens subsp. deltae — Ramakrishna & Dey (2007)
Parreysia favidens deltae — Nesemann et al. (2007), IUCN (2011)
Parreysia (s.s.) favidens subsp. viridula — Ramakrishna & Dey (2007)
Parreysia (Radiatula) wynegungaensis — Burdi et al. (2009)
Parreysia annandalei — Bogan (2010), IUCN (2010), Graf & Cummings (2021)
Parreysia favidens densa — IUCN (2011)
Parreysia favidens marcens — IUCN (2011)
Parreysia favidens trigona — IUCN (2011)
Parreysia favidens viridula — IUCN (2011)
Parreysia favidens assamensis — IUCN (2011)
Parreysia cf. corrugata — Bolotov et al. (2017), Bolotov et al. (2017), Bolotov et al. (2018), Huang et al. (2019), Bolotov et al. (2020)
Leoparreysia feddeni — Bolotov et al. (2017), Graf & Cummings (2021)
Parreysia cf. favidens — Bolotov et al. (2020)
Parreysia (corrugata-group) corrugata — Bolotov et al. (2022)