Atlas of Lincolnshire Non-marine molluscs

Generated by the

Includes data provided by the Environment Agency.

Viviparidae ^🔗		Records	Tetrads	First record	Last record
Viviparus contectus ^🔗	🌐	61	24	1969	2016	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Viviparus viviparus ^🔗	🌐	393	55	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Assimineidae ^🔗		Records	Tetrads	First record	Last record
Assiminea grayana ^🔗	🌐	9	6	1970	1997	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Bithyniidae ^🔗		Records	Tetrads	First record	Last record
Bithynia tentaculata ^🔗	🌐	2432	261	1969	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Bithynia leachii ^🔗	🌐	503	120	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Hydrobiidae ^🔗		Records	Tetrads	First record	Last record
Hydrobia acuta ^🔗	🌐	12	6	1971	1990	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Hydrobia ventrosa seg. ^🔗	🌐	1	1	1973	1973	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Ecrobia ventrosa ^🔗	🌐	2	2	2006	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Peringia ulvae ^🔗	🌐	119	32	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Tateidae ^🔗		Records	Tetrads	First record	Last record
Potamopyrgus antipodarum ^🔗	🌐	4287	442	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Ellobiidae ^🔗		Records	Tetrads	First record	Last record
Myosotella myosotis ^🔗	🌐	13	8	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Acroloxidae ^🔗		Records	Tetrads	First record	Last record
Acroloxus lacustris ^🔗	🌐	281	69	1971	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lymnaeidae ^🔗		Records	Tetrads	First record	Last record
Galba truncatula ^🔗	🌐	145	95	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lymnaea fuscus ^🔗	🌐	4	4	2014	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lymnaea palustris ^🔗	🌐	26	17	1980	2003	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Omphiscola glabra ^🔗	🌐	5	2	1996	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Radix peregra ^🔗	🌐	2378	350	1970	2012	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Radix balthica ^🔗	🌐	1267	242	2005	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Radix auricularia ^🔗	🌐	347	106	1969	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lymnaea stagnalis ^🔗	🌐	1049	195	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Stagnicola palustris ^🔗	🌐	446	156	1969	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Physidae ^🔗		Records	Tetrads	First record	Last record
Aplexa hypnorum ^🔗	🌐	46	37	1970	2013	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Physa fontinalis ^🔗	🌐	1991	265	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Physella acuta ^🔗	🌐	49	35	1992	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Planorbidae ^🔗		Records	Tetrads	First record	Last record
Ancylus fluviatilis ^🔗	🌐	611	85	1972	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Anisus leucostoma ^🔗	🌐	132	95	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Anisus vortex ^🔗	🌐	2817	296	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Ferrissia wautieri ^🔗	🌐	2	1	2005	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Gyraulus crista ^🔗	🌐	819	160	1972	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Gyraulus albus ^🔗	🌐	1234	224	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Gyraulus laevis ^🔗	🌐	29	18	1969	2011	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Hippeutis complanatus ^🔗	🌐	414	104	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Menetus dilatatus ^🔗	🌐	1	1	1972	1972	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Planorbarius corneus ^🔗	🌐	297	110	1969	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Bathyomphalus contortus ^🔗	🌐	1203	185	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Planorbis carinatus ^🔗	🌐	939	174	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Planorbis planorbis ^🔗	🌐	1030	236	1969	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Neritidae ^🔗		Records	Tetrads	First record	Last record
Theodoxus fluviatilis ^🔗	🌐	302	35	1974	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pomatiidae ^🔗		Records	Tetrads	First record	Last record
Pomatias elegans ^🔗	🌐	8	7	1973	1993	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Agriolimacidae ^🔗		Records	Tetrads	First record	Last record
Deroceras laeve ^🔗	🌐	60	49	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Deroceras reticulatum ^🔗	🌐	161	110	1920	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Deroceras invadens ^🔗	🌐	35	19	1997	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arionidae ^🔗		Records	Tetrads	First record	Last record
Arion vulgaris ^🔗	🌐	1	–	2005	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion circumscriptus ^🔗	🌐	97	76	1971	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion hortensis ^🔗	🌐	82	71	1970	2003	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion ater ^🔗	🌐	130	100	1970	2016	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion subfuscus ^🔗	🌐	39	30	1973	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion flagellus ^🔗	🌐	2	1	2000	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion intermedius ^🔗	🌐	106	88	1972	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion fasciatus ^🔗	🌐	18	14	1970	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion distinctus ^🔗	🌐	48	32	1989	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arion circumscriptus seg. ^🔗	🌐	14	14	1971	2000	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Azecidae ^🔗		Records	Tetrads	First record	Last record
Azeca goodalli ^🔗	🌐	3	3	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Boettgerillidae ^🔗		Records	Tetrads	First record	Last record
Boettgerilla pallens ^🔗	🌐	7	4	1999	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Carychiidae ^🔗		Records	Tetrads	First record	Last record
Carychium minimum ^🔗	🌐	50	37	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Carychium tridentatum ^🔗	🌐	16	16	1974	1996	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Clausiliidae ^🔗		Records	Tetrads	First record	Last record
Balea perversa ^🔗	🌐	11	4	1974	2008	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Clausilia bidentata ^🔗	🌐	71	54	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cochlodina laminata ^🔗	🌐	68	50	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cochlicopidae ^🔗		Records	Tetrads	First record	Last record
Cochlicopa cf. lubricella sensu Anderson 2008 ^🔗	🌐	8	7	1972	1977	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cochlicopa cf. lubrica sensu Anderson 2008 ^🔗	🌐	152	116	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Enidae ^🔗		Records	Tetrads	First record	Last record
Merdigera obscura ^🔗	🌐	31	26	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Euconulidae ^🔗		Records	Tetrads	First record	Last record
Euconulus cf. alderi sensu Anderson 2008 ^🔗	🌐	6	3	1988	2003	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Euconulus cf. fulvus sensu Anderson 2008 ^🔗	🌐	43	37	1970	1979	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Euconulus fulvus seg. ^🔗	🌐	4	4	1971	1975	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Ferussaciidae ^🔗		Records	Tetrads	First record	Last record
Cecilioides acicula ^🔗	🌐	6	5	1976	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Gastrodontidae ^🔗		Records	Tetrads	First record	Last record
Zonitoides nitidus ^🔗	🌐	58	50	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Zonitoides excavatus ^🔗	🌐	5	3	1970	1974	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Helicidae ^🔗		Records	Tetrads	First record	Last record
Cepaea nemoralis ^🔗	🌐	250	185	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cepaea hortensis ^🔗	🌐	85	67	1969	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cornu aspersum ^🔗	🌐	158	123	1969	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Helicigona lapicida ^🔗	🌐	11	3	1974	2008	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Helix pomatia ^🔗	🌐	1	1	1974	1974	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Hygromiidae ^🔗		Records	Tetrads	First record	Last record
Ashfordia granulata ^🔗	🌐	5	4	1973	1996	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Candidula gigaxii ^🔗	🌐	18	12	1970	1996	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Candidula intersecta ^🔗	🌐	63	50	1920	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Cernuella virgata ^🔗	🌐	70	54	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Helicella itala ^🔗	🌐	26	20	1970	1987	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Hygromia cinctella ^🔗	🌐	7	4	2004	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Monacha cantiana ^🔗	🌐	158	119	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Trochulus hispidus ^🔗	🌐	200	151	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Trochulus striolatus ^🔗	🌐	209	155	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Trochulus plebeius ^🔗	🌐	31	25	1970	1998	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Limacidae ^🔗		Records	Tetrads	First record	Last record
Ambigolimax valentianus ^🔗	🌐	6	4	1997	2001	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lehmannia marginata ^🔗	🌐	14	13	1976	2014	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Limacus flavus ^🔗	🌐	18	10	1997	2014	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Limacus maculatus ^🔗	🌐	3	2	1997	1998	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Limax maximus ^🔗	🌐	69	52	1973	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Limax cinereoniger ^🔗	🌐	3	3	1996	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Milacidae ^🔗		Records	Tetrads	First record	Last record
Milax gagates ^🔗	🌐	9	7	1997	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Tandonia budapestensis ^🔗	🌐	49	36	1972	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Tandonia sowerbyi ^🔗	🌐	24	16	1970	2002	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Oxychilidae ^🔗		Records	Tetrads	First record	Last record
Aegopinella pura ^🔗	🌐	43	37	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Aegopinella nitidula ^🔗	🌐	121	97	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Nesovitrea hammonis ^🔗	🌐	54	40	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Oxychilus navarricus ^🔗	🌐	87	67	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Oxychilus draparnaudi ^🔗	🌐	6	4	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Oxychilus alliarius ^🔗	🌐	131	97	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Oxychilus cellarius ^🔗	🌐	122	90	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Patulidae ^🔗		Records	Tetrads	First record	Last record
Discus rotundatus ^🔗	🌐	258	188	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pristilomatidae ^🔗		Records	Tetrads	First record	Last record
Vitrea contracta ^🔗	🌐	78	62	1920	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vitrea crystallina ^🔗	🌐	139	111	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vitrea crystallina seg. ^🔗	🌐	11	10	1972	1982	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Punctidae ^🔗		Records	Tetrads	First record	Last record
Punctum pygmaeum ^🔗	🌐	11	9	1970	2014	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pupillidae ^🔗		Records	Tetrads	First record	Last record
Pupilla muscorum ^🔗	🌐	48	41	1971	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pyramidulidae ^🔗		Records	Tetrads	First record	Last record
Pyramidula pusilla ^🔗	🌐	13	3	1972	2008	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Succineidae ^🔗		Records	Tetrads	First record	Last record
Oxyloma elegans ^🔗	🌐	54	40	1969	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Succinea putris ^🔗	🌐	119	83	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Testacellidae ^🔗		Records	Tetrads	First record	Last record
Testacella haliotidea ^🔗	🌐	1	1	1998	1998	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Valloniidae ^🔗		Records	Tetrads	First record	Last record
Acanthinula aculeata ^🔗	🌐	6	4	1975	1981	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vallonia costata ^🔗	🌐	64	54	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vallonia cf. excentrica sensu Anderson 2008 ^🔗	🌐	89	71	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vallonia pulchella ^🔗	🌐	36	29	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vallonia pulchella seg. ^🔗	🌐	2	2	1982	1996	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vertiginidae ^🔗		Records	Tetrads	First record	Last record
Columella edentula ^🔗	🌐	1	1	2004	2004	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Truncatellina cylindrica ^🔗	🌐	1	1	1977	1977	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vertigo antivertigo ^🔗	🌐	7	3	1976	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vertigo pygmaea ^🔗	🌐	6	6	1971	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vertigo substriata ^🔗	🌐	5	2	1980	1982	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Vitrinidae ^🔗		Records	Tetrads	First record	Last record
Vitrina pellucida ^🔗	🌐	108	86	1970	2006	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Arianta arbustorum ^🔗	🌐	123	93	1920	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Lauria cylindracea ^🔗	🌐	23	21	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Valvatidae ^🔗		Records	Tetrads	First record	Last record
Valvata cristata ^🔗	🌐	903	163	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Valvata macrostoma ^🔗	🌐	13	4	1969	1984	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Valvata piscinalis ^🔗	🌐	2116	227	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Dreissenidae ^🔗		Records	Tetrads	First record	Last record
Dreissena polymorpha ^🔗	🌐	203	44	1971	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Mytilopsis leucophaeata ^🔗	🌐	31	7	2006	2014	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Sphaeriidae ^🔗		Records	Tetrads	First record	Last record
Musculium lacustre ^🔗	🌐	219	104	1970	2017	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium casertanum ^🔗	🌐	309	152	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium hibernicum ^🔗	🌐	95	55	1975	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium moitessierianum ^🔗	🌐	12	5	1970	1990	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium nitidum ^🔗	🌐	890	218	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium obtusale ^🔗	🌐	14	13	1971	2005	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium pseudosphaerium ^🔗	🌐	2	1	1990	1990	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium pulchellum ^🔗	🌐	13	12	2006	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium supinum ^🔗	🌐	20	10	1973	2011	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium amnicum ^🔗	🌐	381	105	1969	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium henslowanum ^🔗	🌐	210	63	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium milium ^🔗	🌐	119	80	1972	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium personatum ^🔗	🌐	54	35	1972	2012	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pisidium subtruncatum ^🔗	🌐	1092	240	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Sphaerium corneum ^🔗	🌐	1858	264	1969	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Sphaerium rivicola ^🔗	🌐	105	51	1973	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Sphaerium solidum ^🔗	🌐	17	3	1968	1990	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Unionidae ^🔗		Records	Tetrads	First record	Last record
Anodonta anatina ^🔗	🌐	118	69	1970	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Anodonta cygnea ^🔗	🌐	227	81	1970	2016	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Unio tumidus ^🔗	🌐	18	13	1971	2015	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Unio pictorum ^🔗	🌐	126	60	1969	2016	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D
Pseudanodonta complanata ^🔗	🌐	10	5	1974	2002	1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 J F M A M J J A S O N D