Dalyellia inermis Graff, 1911 | between May and Aug 1907 | | | in sediment of brook near the canal |
Dalyellia rochesteriana Graff, 1911 | between May and Aug 1907 | | | brook |
Dalyellia sillimani Graff, 1911 | between May and Aug 1907 | | | 5 specimens found in the reeds of a pool by the East wide waters close to Eriksen Street, Rochester, New York, USA. |
Jensenia pinguis (Silliman, 1884) | between May and Aug 1907 | | | 5 speciments found in peat water of a peat bog close to South Goodman Street, Rochester, New York, USA. |
Phaenocora agassizi Graff, 1911 | between May and Aug 1907 | | | a few specimens from sediment of pools near the East wide waters (at the end of Ericsson Street), Rochester, New York, USA. |
Polycystis roosevelti Graff, 1911 | between May and Aug 1907 | | | in the sediment of brooks. |