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Maryland Checklist - Order: Unionoida - all-time (Total: 20)   

	Photos	Common Name	Genus	Species	Records	Category	Family	Order	Class	Kingdom
1		Atlantic Spike	Elliptio	producta	24	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
2		Yellow Lampmussel	Lampsilis	cariosa	12	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
3		Green Floater	Lasmigona	subviridis	19	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
4		Eastern Pondmussel	Sagittunio	nasutus	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
5		Susquehanna Elktoe	Alasmidonta	marginata	0	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
6		Creeper	Strophitus	undulatus	16	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
7		Brook Floater	Alasmidonta	varicosa	35	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
8		No Common Name	Lampsilis	sp.	1	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
9		Carolina Lance	Elliptio	angustata	0	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
10		Northern Lance	Elliptio	fisheriana	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
11		Plain Pocketbook	Lampsilis	cardium	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
12		Eastern Lampmussel	Lampsilis	radiata	24	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
13		Tidewater Mucket	Atlanticoncha	ochracea	17	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
14		Eastern Floater	Pyganodon	cataracta	18	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
15		Paper Pondshell	Utterbackia	imbecillis	3	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
16		Dwarf Wedgemussel	Alasmidonta	heterodon	17	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
17		Yellow Lance	Elliptio	lanceolata	5	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
18		Triangle Floater	Alasmidonta	undulata	30	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
19		Alewife Floater	Utterbackiana	implicata	3	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia
20		Eastern Elliptio	Elliptio	complanata	38	Freshwater Bivalves	Unionidae	Unionoida	Bivalvia	Animalia