Order

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 Stage→Jaagarahu Stage

2. Skenidioides costatus Cooper, 1956 | Upper Ordovician

3. Skenidioides hymiri Baarli, 1995 | Juuru Stage→Jaani Stage

4. Skenidioides lewisii (Davidson, 1848) | Wenlock

5. Skenidioides minutus Egerquist et Holmer, 2006 | Volkhov Stage

6. Skenidioides petrasi Rubel, 2011 | Juuru Stage→Jaani Stage

7. Skenidioides scoliodus Temple, 1968 | Juuru Stage→Raikküla Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Brachiopoda
Subphylum	Rhynchonelliformea
Class	Rhynchonellata
Order	Athyridida
	Atrypida
	Orthida
	Pentamerida
	Protorthida
Superfamily	Protorthoidea
	Skenidioidea
Order	Rhynchonellida
	Spiriferida
	Spiriferinida
	Terebratulida
	Thecideida