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Taxon:
Genus
Pisidium
Pfeiffer, 1821
(mollusc)
Taxa
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Entity:
Sphaeriidae (Family) - freshwater fingernail clams
..Euglesinae (Subfamily)
..Eupera (Genus)
..Euperinae (Subfamily)
..Musculium (Genus)
..Pisidiinae (Subfamily)
..Sphaeriinae (Subfamily)
..Sphaerium (Genus)
..Pisidium (Genus)
....Afropisidium (Subgenus)
....Cyclocalyx (Subgenus)
....Europisidium (Subgenus)
....Kuiperipisidium (Subgenus)
....Neopisidium (Subgenus)
....Odhneripisidium (Subgenus)
....Parapisidium (Subgenus)
....Pisidium (Subgenus)
....Pisidium amnicum (Species) - greater European peaclam
....Pisidium casertanum (Species) - ubiquitous peaclam
....Pisidium conventus (Species) - alpine peaclam
....Pisidium henslowanum (Species) - Henslow peaclam
....Pisidium hibernicum (Species)
....Pisidium lilljeborgii (Species)
....Pisidium milium (Species) - quadrangular pillclam
....Pisidium moitessierianum (Species)
....Pisidium nitidum (Species) - shiny peaclam
....Pisidium obtusale (Species)
....Pisidium personatum (Species)
....Pisidium pseudosphaerium (Species)
....Pisidium pulchellum (Species)
....Pisidium subtruncatum (Species) - shortended peaclam
....Pisidium supinum (Species) - humpbacked peaclam
....Pisidium tenuilineatum (Species)
....Pisidium torquatum (Species)
....Tuvapisidium (Subgenus)
....Ussuripisidium (Subgenus)
Authorship
SN2000 author citation
:
C. Pfeiffer, 1821
Original name, rank & spelling
:
Pfeiffer, C. 1821.
Naturg. Deutsch. Land-Moll.
(1): 17, 123. ("Nobis.").
≡
Types
Type of
:
Pisidiidae
(Family)
Gray, 1857
Ref:
V.G. Millard, 1997
: 401.
[inferred]
Nominotypical taxon [ICZN]
:
Pisidium
(Subgenus)
Pfeiffer, 1821
Ref:
V.G. Millard, 1997
: 401.
[inferred]
Variants
Different spelling
:
Piscidium
(Genus)
Brown, [1845-1849]
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
Different spelling
:
Pisielium
(Genus)
Bowler-Kelley, 1928
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
Synonyms
Including
:
Euglesa
(Genus)
Jenyns, 1832
Ref:
V.G. Millard, 1997
: 401.
Including
:
Euglesia
(Genus)
Gray, 1840, orth. inval.
Ref:
V.G. Millard, 1997
: 401.
Vernacular Names (Dutch)
Full name
:
erwtemosseltjes
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026