Family

Echinosphaeritidae Neumayr, 1889

Selection of related publications

Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.

Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study. Meddelanden från Lunds Geologisk-Mineralogiska Institution 108, 1-255. Carl Bloms Boktryckeri.

Öpik, A. 1934. Üks tsüstiid Eesti Megalaspislubjakivist. Eesti Loodus 1, 17-20.

Hecker, R. F. 1923. Echinosphaeritidae of the Silurian of Russia. Trav. Mus. Géol. Min. Pierre le Grand Acad. Sci. Russie IV, 1, 1-63.

Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta et Commentationes Universitatis Tartuensis II, 1, 1-92.

Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea. pp. 1-441. Verlag von Julius Springer.

Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391

List of species

1. Echinosphaerites aurantium (Gyllenhaal, 1772) | Aseri Stage→Idavere Substage

2. Echinosphaerites difformis Jaekel, 1899 | Idavere Substage

3. Echinosphaerites ellipticus Eichwald, 1860 | Kunda Stage

4. Echinosphaerites globosus Jaekel, 1899 | Ordovician

5. Echinosphaerites grandis Jaekel, 1918 | Sandbian→Katian

6. Echinosphaerites pirum Jaekel, 1918 | Idavere Substage

7. Echinosphaerites pogrebovi Hecker, 1923 | Uhaku Stage→Kukruse Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Blastozoa
Class	Rhombifera
Superfamily	Caryocystitida
Family	Caryocystitidae
	Echinosphaeritidae
Genus	Echinosphaerites
unranked	Lophotocystis