Stylosphaeridae

Stylosphaeridae
Stylosphaera flexuosa
Scientific classification
Domain:	Eukaryota
Supergroup:	Rhizaria
Phylum:	Radiolaria
Class:	Polycystina
Order:	Spumellaria
Family:	†Stylosphaeridae Haeckel, 1881
Genera
Druppatractus Lithomespilus Praestylosphaera Protoxiphotractus Spongatractus Spongostylus Staurolonche Stylatractus Stylosphaera Xiphatractus

Stylosphaeridae is a family of radiolarians in the order Spumellaria. According to the original description by Ernst Haeckel, members of the family have a spherical central capsule within a fenestrated spherical siliceous shell, with two radial spines opposite in one axis. They are solitary. i.e. not associated in colonies.

References

External links

Data related to Stylosphaeridae at Wikispecies

• 
  Stylosphaera coronata laevis
• 
  Stylosphaera melpomene

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