Genus
Spatangopsis Torell, 1870
Aiheeseen liittyvät julkaisut
Savazzi, E. 2012. A reassessment of the Lower Cambrian psammocoral Spatangopsis costata.  Paleontological Research   16,   2,   159-170. DOI:10.2517/1342-8144-16.2.159
Seilacher, A., Goldring, R. 1996. Class Psammocorallia (Coelenterata, Vendian‐Ordovician): Recognition, systematics, and distribution.  GFF   118,   4,   207-216. DOI:10.1080/11035899609546256
Jensen, S. 1991. The Lower Cambrian problematicum Spatangopsis costata Torell, 1870.  GFF   113,   1,   86-87. DOI:10.1080/11035899109453833
Schmidt, Fr. 1888. Über eine neuentdeckte untercambrische Fauna in Estland.  Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg   36,   2,   1-28.
List of species
1. Spatangopsis alata Seilacher,  1996  | Lower Cambrian (old nomenclature)
2. Spatangopsis costata Torell, 1870 | Lükati Formation
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Luokittelu
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Class | Psammocorallia | 
| Genus | Protolyellia | 
| Spatangopsis | |
| Species | alata | 
| costata | |
| mongolica | |
| scotica | 
Levinneisyys ja viitteet
- Schmidt, 1888a Lükati Formation
 - Seilacher & Goldring, 1996 Lower Cambrian (old nomenclature)