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Noun1.Ancylus - type genus of the family Ancylidae: river limpetAncylus - type genus of the family Ancylidae: river limpet
mollusk genus - a genus of mollusks
Ancylidae, family Ancylidae - freshwater gastropod
Ancylus fluviatilis, freshwater limpet, river limpet - minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
References in classic literature ?
Sir Charles Lyell also informs me that a Dyticus has been caught with an Ancylus (a fresh-water shell like a limpet) firmly adhering to it; and a water-beetle of the same family, a Colymbetes, once flew on board the 'Beagle,' when forty-five miles distant from the nearest land: how much farther it might have flown with a favouring gale no one can tell.
Period Date range Mesolithic (8850-5100 BC) M1 Pioneering stage 8850-8000 BC M2 Ancylus Mesolithic 8000-6800 BC M3 Litorina Mesolithic 6800-5100 BC Neolithic (5100-1900/1800 BC) N1 Early Neolithic 5100M000 BC N2 Middle Neolithic 4000-3200 BC N3 Late Neolithic 3200-1900/1800 BC
molluscs Ancylus fluviatilis and dipterans Dicranota bimaculata species were absent from the sites in and below dams.
Species belonging to class 3 inhabit pristine conditions, species belonging to class 2 remain indifferent or gain biomass under moderate eutrophication, and species belonging to class 1 may be dominant over other species in heavily eutrophicated conditions Taxon Sensitivity Alderia modesta 3 Ancylus fluviatilis 3 Argulus spp.
To Palmers yard they sailed the tankers Ancylus, Miralda and Macoma, while the Alexia went to Greenwell and Company, at Sunderland.
Hausen (1913) mentioned soil below the Ancylus sand and gravel at Piirsalu, Thomson (1933, 1937) described buried peat on the banks of the Parnu and Narva rivers.
The most prominent coastal forms, about 35 m high, are referred to the initial stage of the Ancylus Lake, when the shoreline remained stable for a long time, favouring the formation of extensive scarps and accumulation of sediments in Tallinn.
It began as an 'infilling' of Ancylus Lake during the Boreal period, first in the western part and thereafter in the eastern part of the lake (Pirrus 1963; Karmu 1966; Loopmann et al.
Discussion with specialists in SED would have helped him to understand the limitations of the method and what one can reasonably expect from it, particularly considering that a number of boulders in Estonia were sampled near the Baltic coast and had previously experienced some period of submergence beneath the Baltic Ice Lake, the Ancylus Lake, and the Litorina Sea.