Species
Protaraea diffluens (Eichwald, 1854)
Type specimen data
Synonymy list
1854     Diplastraea diffluens — Eichwald , pp. 84
1856     Diplastraea diffluens — Eichwald , pp. 111
1857     Diplastraea diffluens — Eichwald , pp. 57
1860     Diplastraea diffluens m. — Eichwald , pp. 445, fig. 30:11
1950     Diplastraea — Bassler , pp. 6
1980     Diplastraea diffluens Eichwald, 1854 — Bondarenko , pp. 106
2012     Protaraea diffluens (Eichwald, 1854) — Mõtus et Zaika , pp. 231
Selection of related publications
Mõtus, M., Zaika, Y. 2012. The oldest heliolitids from the early Katian of the East Baltic region.  GFF   134,   3,   225-234. DOI:10.1080/11035897.2012.721805
Eichwald, E. 1854. Die Grauwackenschichten von Liv- und Estland.  Bulletin de la Société Imperiale des Naturalistes de Moscou   27,   1,   1-111.
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Tabulata | 
| Superorder | Heliolitoidea | 
| Suborder | Heliolitina | 
| Superfamily | Coccoseridicae | 
| Family | Coccoserididae | 
| Genus | Protaraea | 
| Species | approximata | 
| bella | |
| diffluens | |
| microporus | |
| procella | |
| richmondensis | |
| schmidtii | |
| ungerni | |
| vetusta | |
| Subspecies | megastoma minor | 
References based on distribution
- Eichwald, 1854a Rakvere
 - Mõtus & Zaika, 2012 Oandu Stage
 - Mõtus & Zaika, 2012 Oandu Oandu Stage
 - Mõtus & Zaika, 2012 Voore-Koppelmaa ditches, Harjumaa Oandu Stage
 - Mõtus & Zaika, 2012 Pechurki quarry, Leningrad District Oandu Stage