Cancellosphaera Afanasieva, 2000

Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O’Dogherty, Luis, 2017, Taxonomy of Paleozoic radiolarian genera, Geodiversitas 39 (3), pp. 419-502 : 440

Cancellosphaera Afanasieva, 2000

Cancellosphaera Afanasieva, 2000c: 34 .

TYPE SPECIES. — Spongosphaera varia Won, 1997 ( Won 1997b: 412, pl. 9, figs 2-9, pl. 15, figs 18-21).

AGE AND LOCATION OF TYPE MATERIAL. —Upper Devonian, Gogo Formation, Canning Basin, Western Australia,Frasnian (Upper Devonian).

TAXON CODE. — 085.

STATUS. — Valid.

DIAGNOSIS. — “Раковина сферическая с двумя оболочками:внешней – решетчатой и внутренней –пористой. Внутренний каркас представлен тонкой спикулой, шесть лучей которой расходятся от срединной балки. Продолжением лучей спикулы являются основные иглы: трехгранные в межсферном пространстве и конусовидные вне наружной оболочки скелета”.

ENGLISH TRANSLATION. — “The shell is spherical with two shells: the external is latticed and the internal is porous. The inner frame is represented by a thin spicules, six rays of which diverge from the middle of the beam. The continuation of the rays are the main spicules Needles are triangular in shape but the space is tapered and the outer shell of the skeleton”.

REMARKS

Afanasieva (2000c) separated the species Spongosphaera varia Won, 1997 from the genus Spongosphaera Won, 1997 to serve as the type species for Cancellosphaera . Spongosphaera is characterized by 2 shells, an inner latticed and outer spongy shell, and it has an internal 6-8 rayed spicule. In contrast, Cancellosphaera is defined as having 2 shells, the outer latticed and the inner porous, and a 6 rayed inner spicule.