Spongostaurus sp.

Super Group: 
Rhizaria
Phylum: 
Radiolaria
Class: 
Polycystinea
Order: 
Spumellaria
Family: 
Orbiculiformidae
Genus: 
Spongostaurus
Species: 
sp.
Authority: 
Spongostaurus Haeckel 1882

Diagnosis

Lobular extensions of the cetral capsule, each protusion may attain a length of 19 mm with an average diameter of 2mm. The capsular prostusions are surronded by a thick gelatinous matrix supporting rhizopodia extending in a direction roughly normal to an imaginary tangent to the surface of the central capsule. The termina of the lobular projections are supplied with thickened rhizopodia extendinf through the gelatinous mass. A complex lobed nucleus is found in the central region of the capsule intercalating with the spongiose skeletal mass. The skeletal material is separated from the cytoplasmic material by a double membrane. the lobular projections are filled with oily droplets and contain most of the mitochondrial apparatus. The fusules (pres in the capsular wall) are typicak for spongiose radiolaria, bearing a collar perforated with microspores. 

Type illustration / Type locality / Type specimen

Type specimen : Spongostaurus gracilis

Reference(s)

Attached phylogeny

Observation site(s)

SYMBIONTS

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Brandtodinium nutricula

ASQME static network (beta)

ASQME dynamic network (beta)

ASQME map (beta)