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Helgoland Islands (Helgoland Insel, Heligoland), Germany
latitude: 54.200001
longitude: 7.883333
Precision of location: Alexandria Digital Library (with NGA GNDB data)
Site Named Here: By name of island, bay, strait, lake, river, or stream, etc., named in source publication
| Archaphanostoma agile | Apr, May 1963 | detritis-rich shell-sand mix | ||
| Coelogynopora bresslaui | summer 1923 | |||
| Coelogynopora biarmata | summer 1923 | |||
| Convoluta convoluta | 1963-1964 | dulse algae | ||
| Pseudoposthia macrogonopora | Apr, May 1963 | 5 m | shell sand mixture, fine sand | |
| Pseudoposthia macrogonopora | Apr, May 1963 | 40 m | detritus rich sand | |
| Pseudoposthia macrogonopora | Apr, May 1963 | 42 m | mud, sand | |
| Pseudoposthia macrogonopora | Apr, May 1963 | rock, gravel | ||
| Archaphanostoma histobursalium | Aug 1963 | deep gully | mud | |
| Postaphanostoma atriomagnum | Apr 1963; Jul 1964 | 18 m | Amphioxus sand, coarse sand | museum specimen number: SMF 3019-36 / Amphioxus |
| Postaphanostoma filum | Apr 1963 | 18 m | Amphioxus sand, coarse sand | museum specimen numbers: SMF 3037-59; SMF 3463-65 / Amphioxus |
| Postaphanostoma filum | Aug 1963 | 17-18 m | coarse sand, Amphioxus sand | |
| Childia trianguliferum | Aug 1963 | 17-18 m | coarse sand, Amphioxus sand | |
| cochlear uncinatus | prior to 1882 | sea water aquarium. water likely from Helgoland. | ||
| Monotus fusca | prior to 1882 | |||
| Convoluta paradoxa | 1882 or earlier | |||
| Convoluta paradoxa | 1847 or earlier | |||
| Nemertoderma sp. | mud coarse sand | station 12a, Dune, Helgoland. | ||
| Microstomum album | 1913 or earlier | slow moving bertween plants and hydroids on beaches of Denmark, Helgoland and ? [Graff questions] Banyuls-sur-mer. | ||
| Alaurina composita | 1913 or earlier | North Sea including Helgoland and Danish waters. | ||
| Proxenetes flabellifer | 1913 or earlier | beach water. | ||
| Promesostoma marmoratum | 1913 or earlier | very active, in marine and brackish water. | ||
| marmoratum marmoratum | 1913 or earlier | very active, in marine and brackish water. | ||
| marmoratum nudum | 1913 or earlier | |||
| Plagiostomum vittatum | 1913 or earlier | |||
| Plagiostomum vittatum | 1896 or earlier | |||
| Vorticeros auriculatum | 1913 or earlier | 0-35m | littoral up to 35 m deep in Algen and Bryozoen. | |
| Pseudostomum quadrioculatum | 1913 or earlier | |||
| Pseudostomum klostermanni | 1913 or earlier | |||
| Monocelis fusca | 1913 or earlier | |||
| Monocelis lineata | 1913 or earlier | |||
| Monocelis longiceps | 1913 or earlier | |||
| Orthoplana borealis | 1932 or earlier | |||
| Mariplanella frisia | May 1970 | coarse sand | Amphioxus-Grund. 2 specimens. | |
| Gyratricella attemsi | prior to 1938 | Bisher nur aus der Litoralzone der Küste von Helgoland. | ||
| Leptoplana sp. | 1892 or earlier | Helgoland, North Sea. | ||
| Coelogynopora gynocotyla | summer 1923 | Helgoland. | ||
| Allostoma pallidum | 1933 or earlier |