Ezoplana oxygona Tajika, 1982 | Jul 9, 1978 | | | Die Küste Harutachi, Bezirk Hidaka, Südhokkaido. Der Sand war grobkörnig. Zahlreiche Exemplare wurden im unteren Sandhang gefunden.. |
Ezoplana masacoae Tajika, 1982 | Jul 9, 1978 | | | Die Küste Harutachi, Bezirk Hidaka, Südhokkaido. Zwei Exemplare. |
Dugesia japonica Ichikawa & Kawakatsu, 1964 | 1967-1970 | | | only found in the stations near the seashore at Seppu (alt. 20 m). |
Phagocata vivida (Ijima & Kaburaki, 1916) | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. Common below altitudes of 100 m. |
Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916) | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. Common below altitudes of 900 m |
Polycelis akkeshi Ichikawa & Kawakatsu, 1963 | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. Common below altitudes of 900 m |
Polycelis auriculata Ijima & Kaburaki, 1916 | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. Common between altitudes of 200-1520 m |
Dendrocoelopsis lactea Ichikawa & Okugawa, 1958 | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. |
Dendrocoelopsis ezensis Ichikawa & Okugawa, 1958 | 1967-1970 | | | south-western slope of the Hidaka Mountain Range. The main river systems are the Mukawa, the Saru, the Monbetsu, and the Nikappu. Survey from spring to autumn. |