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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


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Species Richness & Endemism by
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Data last updated
Mon 1 Dec 2025

Publication R.I. Johnson (1970): summary

publication summary

Full Citation

Johnson, R.I. 1970. The systematics and zoogeography of the Unionidae (Mollusca: Bivalvia) of the southern Atlantic Slope Region. Bulletin of the Museum of Comparative Zoology 140(6): 263-449. Available electronically.

Attributed Nominal Species

Unio averillii Simpson, 1900 = Villosa vibex

“Wright” of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 560.
Simpson, 1914. Descr. Cat. Naiades: 138.
Frierson, 1927. Check List N. Amer. Naiades: 76.
R.I. Johnson, 1970. Bull. MCZ 140(6): 373.
R.I. Johnson, 1972. Bull. Fla. State Mus. 16(4): 237.
Burch, 1975. Freshw. Unio. North Amer.: 159.
(error for Unio averellii B.H. Wright, 1888)

Unio cistelliformis Simpson, 1900 = Elliptio cistellaeformis

‘Lea’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 716.
Simpson, 1914. Descr. Cat. Naiades: 641.
Frierson, 1927. Check List N. Amer. Naiades: 29.
Haas, 1969. Das Tierreich 88: 228.
R.I. Johnson, 1970. Bull. MCZ 140(6): 317.
Davis et al., 1981. Biol. J. Linn. Soc. 15: 135.
Davis, 1984. Malacologia 25(2): 631.
Williams et al., 1993. Fisheries 18(9): 11.
Haag, 2012. N. Amer. Freshw. Mussels: 73.
(error for Unio cistellaeformis Lea, 1863)

Unio cuspitatus R.I. Johnson, 1970 = Elliptio icterina

‘Lea’ of Authors.
R.I. Johnson, 1970. Bull. MCZ 140(6): 327.
R.I. Johnson, 1972. Bull. Fla. State Mus. 16(4): 206.
Burch, 1975. Freshw. Unio. North Amer.: 162.
(error for Unio cuspidatus Lea, 1872)

Unio hazelhurstianus B.H. Wright, 1888 = Elliptio lanceolata

‘Lea’ of Authors.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 719 [as ‘Unio (sec. Elliptio) hazelhurstianus’].
Simpson, 1914. Descr. Cat. Naiades: 648.
Frierson, 1927. Check List N. Amer. Naiades: 29 [as ‘Elliptio (Elliptio) hazelhurstianus’].
Haas, 1969. Das Tierreich 88: 229 [as ‘Elliptio (Elliptio) hazelhurstianus’].
R.I. Johnson, 1970. Bull. MCZ 140(6): 333.
Burch, 1975. Freshw. Unio. North Amer.: 164.
(error for Unio hazlehurstianus Lea, 1858)

Anodonta imbecilis Lea, 1836 = Utterbackia imbecillis

‘Say’ of Authors.
Lea, 1836. Synopsis Fam. Naiades: 54.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 264.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 502.
Say, 1858. [in] Binney, Compl. Writings T. Say: 140.
Lapham, 1860. Proc. Acad. Nat. Sci. 12: 156.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [7].
Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 506.
Clench & Turner, 1956. Bull. Fla. State Mus. 1: 187.
Murray & Leonard, 1962. Handbk. Unionid Muss. Kansas: 95.
R.I. Johnson, 1970. Bull. MCZ 140(6): 362.
Heard, 1975. Malacologia 15(1): 84.
Kat, 1983. Malacologia 23(2): 362.
Hoeh, 1990. Malac. Review 23: 63.
Lydeard et al., 1996. Philos. Trans. Roy. Soc. London (B, Biol. Sci.) 351: 1595.
Rosenberg et al., 1997. J. Moll. Studies 63: 303.
Adamkewicz et al., 1997. MBE 14(6): 622.
(error for Anodonta imbecillis Say, 1829)

Unio nasutilus Simpson, 1900 = Elliptio producta

‘Lea’ of Authors.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 735.
Simpson, 1914. Descr. Cat. Naiades: 691.
R.I. Johnson, 1970. Bull. MCZ 140(6): 334.
Burch, 1975. Freshw. Unio. North Amer.: 167.
Bogan, 2002. Workbook Key Freshw. Biv. NC: Table 5.
Perkins et al., 2017. Conserv. Genet. 18: 752.
Inoue et al., 2018. Invert. Syst. 32: Table S2.
(error for Unio nasutidus Lea, 1863)

Taxonomic Opinions

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