Species
Periechocrinus longimanus (Angelin, 1878)
Synonymy list
1878     Actinocrinites longimanus — Angelin , pp. 6, fig. 15: 17; 16: 16; 28: 5, 6
1881     Periechocrinus longimanus — Wachsmuth et Springer 
1983     Periechocrinus longimanus — Franzen , pp. 6
2003     Periechocrinus longimanus (Angelin, 1878) — Webster 
2012     Periechocrinus longimanus (Angelin, 1878) — Ausich et al. , pp. 616
Selection of related publications
Ausich, W. I., Wilson, M. A., Vinn, O. 2012. Crinoids from the Silurian of Western Estonia.  Acta Palaeontologica Polonica   57,   3,   613-631. DOI:10.4202/app.2010.0094
Angelin, N. P. 1878. Iconographica Crinoideorum in stratis Sueciae siluricis fossilium. 2. Cystidea. pp. 1-62.  Samson & Wallin. 
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Echinodermata | 
| Subphylum | Pelmatozoa | 
| Class | Crinoidea | 
| Subclass | Camerata | 
| Infraclass | Eucamerata | 
| Order | Monobathrida | 
| Suborder | Compsocrinina | 
| Superfamily | Periechocrinoidea | 
| Genus | Periechocrinus | 
| Species | grandisulcatus | 
| laevis | |
| lindströemi | |
| longidigitatus | |
| longimanus | |
| major | |
| multicostatus | |
| nubilus | |
| schultzianus | |
| undulatus | 
References based on distribution
- Ausich et al., 2012 Jaani shore Jaani Stage
- Angelin, 1878a Fårö island, Sweden