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Ancona, Italy
latitude: 43.633331 43 38 N
longitude: 13.533333 13 32 E
Precision of location: Gauged from chart or map
Site Named Here: By name of site (or city, etc.)
| Convoluta convoluta | prior to 1905 | littoral | ||
| Convoluta schultzii | 1854 or earlier | |||
| Polycystis naegelii | 1913 or earlier | living among plants in the litoral zone. | ||
| Vorticeros auriculatum | 1913 or earlier | 0-35m | littoral up to 35 m deep in Algen and Bryozoen. With Ulven. | |
| Pseudostomum klostermanni | 1913 or earlier | |||
| Allostoma monotrochum | 1913 or earlier | also with Plagiostomum girardi. | ||
| Monocelis longiceps | 1913 or earlier | |||
| Convoluta schultzii | 1933 or earlier | |||
| Convoluta convoluta | 1933 or earlier | |||
| Convoluta sordida | 1933 or earlier |