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Maryland Checklist - Family: Pisidiidae - all-time (Total: 20)
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Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
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\n
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\n
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\n
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\n
Reviewable (MD/DCRC)
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\n
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\n
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\n
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\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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\n
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Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Lilljeborg Peaclam
Pisidium
lilljeborgi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
2
Perforated Peaclam
Pisidium
punctatum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
3
Walker Peaclam
Pisidium
walkeri
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
4
Herrington Fingernailclam
Sphaerium
occidnetale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
5
Lake Fingernailclam
Musculium
lacustre
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
6
Striated Fingernailclam
Sphaerium
striatinum
1
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
7
Pond Fingernailclam
Musculium
securis
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
8
Adam Peaclam
Pisidium
adamsi
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
9
Ridged-beak Peaclam
Pisidium
compressum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
10
Round Peaclam
Pisidium
equilaterale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
11
Rusty Peaclam
Pisidium
ferrugineum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
12
Shiny Peaclam
Pisidium
nitidum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
13
Triangular Peaclam
Pisidium
variable
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
14
Swamp Fingernailclam
Musculium
partumeium
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
15
River Fingernailclam
Sphaerium
fabale
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
16
Long Fingernailclam
Musculium
transversum
1
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
17
Grooved Fingernailclam
Sphaerium
simile
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
18
Ubiquitous Peaclam
Pisidium
casertanum
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
19
Greater Eastern Peaclam
Pisidium
dubium
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
20
River Peaclam
Pisidium
fallax
0
Freshwater Bivalves
Pisidiidae
Veneroida
Bivalvia
Animalia
View Bibliography