Genus

Haplosphaeronis Jaekel, 1926

Selection of related publications

Bockelie, J. F. 1984. The Diploporita of the Oslo region, Norway. Palaeontology 27, 1, 1-68.

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.

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

List of species

1. Haplosphaeronis bratterudensis Bockelie, 1984 | Middle Ordovician

2. Haplosphaeronis kiaeri Jaekel, 1926 | Upper Ordovician

3. Haplosphaeronis oblonga (Angelin, 1878) | Upper Ordovician

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Blastozoa
Class	Diploporita
Superfamily	Sphaeronitida
Family	Sphaeronitidae
Genus	Archaegocystis
	Codiacystis
	Eucystis
	Haplosphaeronis
Species	bratterudensis
	kiaeri
	oblonga
Genus	Sphaeronites
	Tetreucystis