Diopisthoporus longitubus Westblad, 1940 | 1935, 1936 | 10-30 m | soft mud, ooze (Schlamm-Lehmbodem) | species not uncommon, most common in the 10-30 m depth, sometimes found to 360 m, no type locality specified. |
Haploposthia pellucidus (Westblad, 1942) | summer 1940 | 10-30 m | soft mud, ooze (Schlamm-Lehmbodem) | near Degerud, no type locality specified. |
Childia brachyposthium (Westblad, 1942) | summer 1940 | 10-30 m | soft mud, ooze (Schlamm-Lehmbodem) | no type locality specified. |
Plagiostomum nostrum Westblad, 1956 | Jul 26, 1935 | 20-30 m | | 5 specimens |
Plagiostomum nostrum Westblad, 1956 | Aug 22, 1955 | 20-30 m | | 2 specimens |
Childia groenlandica (Levinsen, 1879) | prior to 1975 | | | Zostera |
Childia macroposthium (Steinböck, 1931) | prior 1975 | 20-30 m | sand with clay | |
Trisaccopharynx westbladi Karling, 1940 | 1935 | 10 m | loam | in the summer. near Drøbak, Hallangspollen Bay. |
Trisaccopharynx westbladi Karling, 1940 | 1936 | 10 m | loam | in the summer. near Drøbak, Hallangspollen Bay. |