MolluscaBase source details
Marsh, W. A. (1889). Brief notes on the land and fresh-water shells of Mercer County, Ill. The Nautilus. 3(2): 23-24; 3(3): 34-35.
420694
Marsh, W. A.
1889
Brief notes on the land and fresh-water shells of Mercer County, Ill.
The Nautilus
3(2): 23-24; 3(3): 34-35
Publication
Date
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Ancylus parallelus Haldeman, 1841 accepted as Ferrissia rivularis (Say, 1817) (additional source)
Ancylus rivularis Say, 1817 accepted as Ferrissia rivularis (Say, 1817) (additional source)
Ancylus tardus Say, 1831 accepted as Ferrissia rivularis (Say, 1817) (additional source)
Planorbis (Gyraulus) parvus Say, 1817 accepted as Gyraulus parvus (Say, 1817) (basis of record)
Planorbis (Helisoma) bicarinatus Say, 1817 accepted as Helisoma anceps (Menke, 1830) (basis of record)
Planorbis (Menetus) exacutus (A. Gould, 1841) accepted as Promenetus exacuous (Say, 1821) (basis of record)
Planorbis trivolvis var. fallax Haldeman, 1842 accepted as Planorbella trivolvis (Say, 1817) (additional source)
Segmentina armigera (Say, 1821) accepted as Planorbula armigera (Say, 1821) (additional source)
Ancylus rivularis Say, 1817 accepted as Ferrissia rivularis (Say, 1817) (additional source)
Ancylus tardus Say, 1831 accepted as Ferrissia rivularis (Say, 1817) (additional source)
Planorbis (Gyraulus) parvus Say, 1817 accepted as Gyraulus parvus (Say, 1817) (basis of record)
Planorbis (Helisoma) bicarinatus Say, 1817 accepted as Helisoma anceps (Menke, 1830) (basis of record)
Planorbis (Menetus) exacutus (A. Gould, 1841) accepted as Promenetus exacuous (Say, 1821) (basis of record)
Planorbis trivolvis var. fallax Haldeman, 1842 accepted as Planorbella trivolvis (Say, 1817) (additional source)
Segmentina armigera (Say, 1821) accepted as Planorbula armigera (Say, 1821) (additional source)
