Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
| site | collection date | depth | substrate | salin | locality kind | comments | reference | |
|---|---|---|---|---|---|---|---|---|
| A | Llanddwyn, Anglesey, North Wales, United Kingdom | 1958-1961 | medium sand with shell overlay | abundant at MTL. This species related to M. baltica but identification uncertain. | Boaden PJS (1963) 85 | |||
| B | Criccieth, Lleyn Peninsula, North Wales, United Kingdom | 1958-1961 | fine sand | common at LWS. | Boaden PJS (1963) 85 |