Species
Pterygotus impacatus Kjellesvig-Waering, 1964
Current taxon already exists. See initial taxon Erettopterus osiliensis
 Taxon ID: 2878
Fossil group: Chelicerata
Belongs to: Pterygotus
Other version of taxon: Erettopterus osiliensis
Synonymy list
1883     Pterygotus osiliensis (pars) — Schmidt , fig. Pl. 7:8
1883     Pterygotus osiliensis laticauda (pars) — Schmidt , fig. Pl. 4:8
1964     Pterygotus (Pterygotus) impactus — Kjellesvig-Waering , pp. 398, fig. P1. 54, figs. 2,3; Pl. 3, fig. 10; Text-figs. 20,2
1983     Pterygotus impacatus Kjellesvig-Waering — Plotnik , pp. 390
1999     Pterygotus impacatus Kjellesvig-Waering — Plotnik , pp. 123
2004     Pterygotus impacatus Kjellesvig-Waering — Tetlie , pp. 198
2007     Pterygotus impacatus — Tetlie , pp. 563
Selection of related publications
Tetlie, O. E. 2007. Distribution and dispersal history of Eurypterida (Chelicerata).  Palaeogeography, Palaeoclimatology, Palaeoecology   252,      557-574. DOI:10.1016/j.palaeo.2007.05.011
Kjellesvig-Waering, E. N. 1964. A synopsis of the Family Pterygotidae Clarke and Ruedemann 1912 (Eurypterida).  Journal of Paleontology   38,      331–361.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Arthropoda | 
| Subphylum | Chelicerata | 
| Order | Eurypterida | 
| Suborder | Eurypterina | 
| Superfamily | Pterygotoidea | 
| Family | Pterygotidae | 
| Genus | Pterygotus | 
| Species | impacatus | 
References based on distribution
- Tetlie, 2007 Saaremaa Isaland Ludlow
 - Kjellesvig-Waering, 1964 Kihelkonna Ludlow