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Maryland Checklist - Category: Freshwater Bivalves - all-time (Total: 42)   

	Photos	Common Name	Genus	Species	Records	Category	Family	Order	Class	Kingdom
1		Green Floater	Lasmigona	subviridis	19	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
2		Grooved Fingernailclam	Sphaerium	simile	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
3		Creeper	Strophitus	undulatus	16	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
4		Greater Eastern Peaclam	Pisidium	dubium	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
5		Atlantic Spike	Elliptio	producta	24	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
6		Asian Clam	Corbicula	fluminea	175	Freshwater Bivalves	Corbinculidae	Veneroida	Bivalvia	Animalia
7		Lake Fingernailclam	Musculium	lacustre	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
8		Eastern Pondmussel	Sagittunio	nasutus	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
9		River Peaclam	Pisidium	fallax	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
10		Carolina Lance	Elliptio	angustata	0	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
11		Triangular Peaclam	Pisidium	variable	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
12		No Common Name	Lampsilis	sp.	1	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
13		Yellow Lampmussel	Lampsilis	cariosa	12	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
14		Northern Lance	Elliptio	fisheriana	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
15		River Fingernailclam	Sphaerium	fabale	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
16		Rusty Peaclam	Pisidium	ferrugineum	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
17		Pond Fingernailclam	Musculium	securis	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
18		Susquehanna Elktoe	Alasmidonta	marginata	0	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
19		Shiny Peaclam	Pisidium	nitidum	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
20		Adam Peaclam	Pisidium	adamsi	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
21		Brook Floater	Alasmidonta	varicosa	35	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
22		Tidewater Mucket	Atlanticoncha	ochracea	17	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
23		Striated Fingernailclam	Sphaerium	striatinum	1	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
24		Paper Pondshell	Utterbackia	imbecillis	3	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
25		Plain Pocketbook	Lampsilis	cardium	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
26		Atlantic Rangia	Rangia	cuneata	99	Freshwater Bivalves	Mactridae	Veneroida	Bivalvia	Animalia
27		Swamp Fingernailclam	Musculium	partumeium	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
28		Eastern Floater	Pyganodon	cataracta	18	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
29		Ridged-beak Peaclam	Pisidium	compressum	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
30		Walker Peaclam	Pisidium	walkeri	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
31		Yellow Lance	Elliptio	lanceolata	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
32		Eastern Lampmussel	Lampsilis	radiata	24	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
33		Round Peaclam	Pisidium	equilaterale	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
34		Alewife Floater	Utterbackiana	implicata	3	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
35		Herrington Fingernailclam	Sphaerium	occidnetale	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
36		Eastern Elliptio	Elliptio	complanata	38	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
37		Lilljeborg Peaclam	Pisidium	lilljeborgi	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
38		Long Fingernailclam	Musculium	transversum	1	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
39		Perforated Peaclam	Pisidium	punctatum	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
40		Ubiquitous Peaclam	Pisidium	casertanum	0	Freshwater Bivalves	Pisidiidae	Veneroida	Bivalvia	Animalia
41		Dwarf Wedgemussel	Alasmidonta	heterodon	17	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
42		Triangle Floater	Alasmidonta	undulata	30	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia