Protorthida Schuchert et Cooper, 1931

Selection of related publications
Rubel, M. 2011. Silurian brachiopods Dictyonellida, Strophomenida, Productida, Orthotetida, Protorthida and Orthida from Estonia. Fossilia Baltica 4, pp. 1-133. Tartu Ülikooli geoloogia instituut.
Hints, L., Hints, O., Nemliher, R., Nõlvak, J. 2007. Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician, Katian) of the Lelle core, Central Estonia. Estonian Journal of Earth Sciences 56, 3, 131-142.
Egerquist, E., Holmer, L. E. 2006. Early-Middle Ordovician (Billingen- Volkhov stages) Orthide and Protorthide brachiopods from the East Baltic. GFF 128, 4, 339-348. DOI:10.1080/11035890601284339
Rubel, M. P. 1963. Silurian brachiopods Orthida of Estonia. ENSV TA Geoloogia Instituudi uurimused XIII, 109-160.
List of species
1. Skenidioides acutum (Lindström, 1861) | Raikküla StageJaagarahu Stage
3. Skenidioides hymiri Baarli, 1995 | Juuru StageJaani Stage
6. Skenidioides petrasi Rubel, 2011 | Juuru StageJaani Stage
7. Skenidioides scoliodus Temple, 1968 | Juuru StageRaikküla Stage