Vernal pool
1.7 mm nose to rear. Found in water dipped from a still pool in Voisey's Brook. Was swimming underwater during photos.
2-3mm valve found in the sediment of a stormwater pond bottomed with large gravel and silt
Dans un bassin
maybe Striated?
0.5 mm nose to body rear. Found in water dipped from the shoreline of a small pond.