Family
Pholidophyllidae Wedekind, 1927
Selection of related publications
Jeppsson, L., Calner, M., Eriksson, M. 2005. Locality descriptions.  Sveriges Geologiska Undersökning, Rapporter och Meddelanden   121,      22-47.
Neuman, B. E. E. 1988. Some aspects of life strategies of Early Palaeozoic rugose corals.  Lethaia   21,   2,   97-114. DOI:10.1111/j.1502-3931.1988.tb02061.x
Reiman, V. M. 1958. New rugose corals from upper Ordovician and Llandoverian deposits of Baltic.  ENSV TA Geoloogia Instituudi Uurimused   II,      33-47.
Kaljo, D. 1957. The Baltic Ordovician and Llandoverian Codonophyllacea.  Loodusuurijate Seltsi Aastaraamat 1957, pp. 153-168.   Loodusuurijate Selts Eesti NSV Teaduste Akadeemia juures. 
Wedekind, R. 1927. Die Zoantharia Rugosa von Gotland (bes. Nordgotland). Nebst Bemerkungen zur Biostratigraphie des Gotlandium.  Sveriges Geologiska Undersökning   19,      1-94.
Dybowski,  W. 1874. Monographie der Zoantharia sclerodermata rugosa aus der Silurformation Estlands, Nord-Livlands und der Insel Gotland, nebst einer Synopsis aller palaezoischen Gattungen  dieser Abtheilung und einer Synonymik der dazu gehörigen, bereits bekannten Arten.  Archiv für die Naturkunde Liv-, Ehst- und Kurlands   5,   3,   257-414.  Heinrich Laakmann. 
List of species
1. Pholidophyllum hedstroemi Wedekind, 1927 | Wenlock
2. Pholidophyllum pileolum (Quenstedt, 1881) | Llandovery
3. Rhabdocyclus aequispinatus Reiman, 1958 | Vormsi Stage
4. Rhabdocyclus flecheri (Milne-Edwards et Haime, 1851) | Wenlock
5. Rhabdocyclus ocksarvensis Neumann, 1988 | Ludlow
6. Stortophyllum concavum Wedekind, 1927 | Silurian
8. Stortophyllum simplex (Wedekind, 1927) | Ludlow
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Classification
| Organism group | Biota | 
| Kingdom | Animalia | 
| Phylum | Cnidaria | 
| Subphylum | Anthozoa | 
| Subclass | Rugosa | 
| Order | Cystiphyllida | 
| Family | Calceolidae | 
| Cystiphyllidae | |
| Digonophyllidae | |
| Fletcheriidae | |
| Goniophyllidae | |
| Holmophyllidae | |
| Palaeocyclidae | |
| Pholidophyllidae | |
| Genus | Pholidophyllum | 
| Rhabdocyclus | |
| Stortophyllum | |
| Family | Tryplasmatidae |