Summaries for 2014. Part 7: Molluscs

Between us we recorded 62 species of molluscs on the patch in 2014: 5 freshwater molluscs, 21 land snails, 11 slugs, 7 marine gastropods, 16 marine bivalves and two cephalopods (with first date recorded):

Freshwater Molluscs
Hydrobiidae	Hydrobia ulvae		30th Nov
Lymnaeidae	Lymnaea peregra		23rd February
Lymnaeidae	Lymnea palustris		15th September
Planorbidae	Anisus vortex		23rd February
Unionidae	Anodonta cygnea		7th July
Land Snails
Cochlicopidae	Cochlicopa lubrica		20th Nov
Cochlicopidae	Cochlicopa lubricella		20th Nov
Discidae	Discus rotundatus		3rd March
Enidae	Ena obscura		2nd October
Helicidae	Candidula intersecta		16th February
Helicidae	Cepea hortensis		3rd March
Helicidae	Cepea nemoralis		23rd February
Helicidae	Cernuella virgata		3rd March
Helicidae	Helicella itala		19th October
Helicidae	Helix aspersa		23rd February
Helicidae	Monacha cantiana		30th December
Helicidae	Trichia striolata		3rd March
Oxychilidae	Oxychilus alliarius		30th December
Oxychilidae	Oxychilus cellarius		30th December
Punctidae	Punctum pygmaeum		24th November
Pupillidae	Pupilla muscorum		9th November
Succineidae	Oxyloma pfeifferi		27th September
Vertiginidae	Vertigo angustior		5th November
Vertiginidae	Vertigo pygmaea		2nd February
Vitrinidae	Vitrea crystallina		30th December
Vitrinidae	Vitrina pellucida		18th October
Slugs
Agriolimacidae	Deroceras laeve		November 10th
Agriolimacidae	Deroceras panormitanum/caruanae/invadens		10th February
Agriolimacidae	Deroceras reticulatum		November 10th
Arionidae	Arion ater		29th March
Arionidae	Arion hortensis		November 10th
Arionidae	Arion subfuscus		3rd March
Limacidae	Ambigolimax valentianus		10th February
Limacidae	Limacus flavus		27th June
Limacidae	Limacus maculatus		November 10th
Limacidae	Limax maximus		27th March
Milacidae	Tandonia budapestensis		November 10th
Marine Gastropods
Buccinidae	Buccineum undatum	Whelk	10th February
Buccinidae	Neptunea antiqua	Red Whelk	21st December
Calyptraeidae	Crepidula formicata	Slipper Limpet	10th February
Littorinidae	Littorina littorea	Edible Periwinckle	10th February
Muricidae	Nucellus lapillus	Dog Whelk	10th February
Muricidae	Ocenabra erinaceus	Sting Winkle	10th February
Naticidae	Euspira catena	Large Necklace Shell	21st December
Marine Bivalves
Cardiidae	Cerastoderma edule	Common Cockle	10th February
Cardiidae	Cerastoderma glaucum	Lagoon Cockle	15th June
Mactridae	Spisula solida	Thick Trough Shell	10th February
Myacidae	Mya arenaria	Sand gaper	21st December
Myacidae	Mya truncata	Blunt Gaper	10th February
Mytilidae	Modiolus modiolus	Horse Mussel	10th February
Mytilidae	Mytlus edulis	Edible Mussel	10th February
Ostreidae	Ostrea edulis	Common Oyster	10th February
Pectinidae	Chlamys varia	Black/Variegated Scallop	10th February
Pholadidae	Barnea candida	White Piddock	10th February
Pholadidae	Zirfea crispata	Oval Piddock	21st December
Solenidae	Ensis directus	American Jack-knife Clam	10th February
Tellinidae	Macoma baltica	Baltic Tellin	10th February
Tellinidae	Tellina tenuis	Thin Tellin	21st December
Veneridae	Tapes corrugata	Pullet Carpet Shell	10th February
Veneridae	Tapes rhomboides	Banded Carpet Shell	10th February
Cephalopods
Sepiidae	Sepia officinalis	Common Cuttlefish	6th December
Sepiolidae	Sepiola atlantica	Little Cuttlefish	8th September