Superfamily
Periechocrinoidea Bronn, 1849
Aiheeseen liittyvät julkaisut
Ausich, W. I., Wilson, M. A., Vinn, O. 2015. Wenlock and Pridoli (Silurian) crinoids from Saaremaa, western Estonia (Phylum Echinodermata). Journal of Paleontology 89, 1, 72-81. DOI:10.1017/jpa.2014.6
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
Franzén, C. 1983. Ecology and taxonomy of Silurian crinoids from Gotland. Acta Universitatis Upsaliensis 665, 1-31.
Angelin, N. P. 1878. Iconographica Crinoideorum in stratis Sueciae siluricis fossilium. 2. Cystidea. pp. 1-62. Samson & Wallin.
List of species
1. Periechocrinus grandisulcatus Angelin, 1878 | Silurian
2. Periechocrinus laevis Angelin, 1878 | Wenlock
3. Periechocrinus lindströemi Angelin, 1878 | Silurian
4. Periechocrinus longidigitatus (Angelin, 1878) | Ludlow
5. Periechocrinus longimanus (Angelin, 1878) | Jaani Stage
6. Periechocrinus major (Angelin, 1878) | Wenlock
7. Periechocrinus multicostatus Angelin, 1878 | Ludlow
8. Periechocrinus nubilus Angelin, 1878 | Silurian
9. Periechocrinus schultzianus (Angelin, 1878) | Silurian
11. Saaremaacrinus estoniensis Ausich, Wilson et Vinn, 2012 | Kaugatuma Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Subclass | Camerata |
| Infraclass | Eucamerata |
| Order | Monobathrida |
| Suborder | Compsocrinina |
| Superfamily | Periechocrinoidea |
| Genus | Periechocrinus |
| Saaremaacrinus |
See also