Included taxa
Sierwald, P. (1987). Revision der Gattung Thalassius (Arachnida, Araneae, Pisauridae). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 29: 51-142. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Anahita pallida | Ctenidae | 128 (T from Thalassius, incertae sedis) | Ctenus pallidus |
| Anahita syriaca | Ctenidae | 128 (incertae sedis) | Ctenus syriacus |
| Ctenus torvus | Ctenidae | 129 (incertae sedis, T from Thalassius) | Ctenus torvus |
| Dolomedes spathularis | Pisauridae | 128 (incertae sedis, T from Thalassius) | Dolomedes spathularis |
| Nilus albocinctus | Pisauridae | 119, f. 127, 132-140, 143-148 (mf, S) | Thalassius albocinctus |
| Nilus araneoides | Pisauridae | 127 (nomen dubium) | Thalassius araneoides |
| Nilus basimaculatus | Pisauridae | 127 (nomen dubium) | Thalassius basimaculatus |
| Nilus curtus | Pisauridae | 78, f. 1, 5-12, 17-18, 21-34, 42-43, 46, 48, 50-53 (mf, S) | Thalassius spinosissimus |
| Nilus fimbriatus | Pisauridae | 124 (nomen dubium) | Ctenus fimbriatus |
| Nilus guineensis | Pisauridae | 126 (nomen dubium) | Olios guineensis |
| Nilus jayakari | Pisauridae | 114, f. 123-125 (f, S) | Thalassius jayakari |
| Nilus leo | Pisauridae | 126 (nomen dubium, probable S of Thalassius = Nilus majungensis) | Thalassius leo |
| Nilus margaritatus | Pisauridae | 97, f. 58, 75-89 (mf, S) | Thalassius margaritatus |
| Nilus marginatus | Pisauridae | 127 (incertae sedis, unidentifiable) | Ctenus marginatus |
| Nilus massajae | Pisauridae | 85, f. 35-41, 44-45, 49, 54 (f, Dm, S) | Thalassius massajae |
| Nilus perincertus | Pisauridae | 127 (nomen dubium) | Thalassius perincertus |
| Nilus phipsoni | Pisauridae | 116, f. 126, 128-131, 141-142 (f, Sm) | Thalassius phipsoni |
| Nilus pictus | Pisauridae | 109, f. 60-61, 111-115, 119, 121-122 (f, Dm, S) | Thalassius pictus |
| Nilus pseudojuvenilis | Pisauridae | 89, f. 56-57 (Df) | Thalassius pseudojuvenilis |
| Nilus radiatolineatus | Pisauridae | 102, f. 55, 90-102, 116-117 (f, Dm, S) | Thalassius radiatolineatus |
| Nilus rossi | Pisauridae | 105, f. 59, 103-110, 118, 120 (f, Sm) | Thalassius rossii |
| Nilus rubromaculatus | Pisauridae | 92, f. 2-4, 19-20, 47, 62-74 (mf, removed from S of Thalassius guineensis, S) | Thalassius rubromaculatus |
Genera
No genus found for this reference