Cyrtisphaeronemium Deflandre, 1972

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 : 473

Cyrtisphaeronemium Deflandre, 1972

Cyrtisphaeronemium Deflandre, 1972b: 14 ; 1960:216 (nomen nudum).

TYPE SPECIES. — Cyrtisphaeronemium prudentigerum Deflandre, 1960 ( Deflandre 1960: 216, pl. 1, fig. 18, nomen nudum); Deflandre 1972a: 3535, pl. 1, fig. 1.

AGE AND LOCATION OF TYPE MATERIAL. — Visean (Lower Carboniferous), Cabrières, Hérault, Montagne Noire, France.

TAXON CODE. — 223.

STATUS. — Valid.

DIAGNOSIS. — “Céphalis sphérique perforé à pores circulaires peu rapprochés, muni de quatre cornes tricostulées dont l’une, non exactement apicale, est souvent plus développée. Ouverture large, à bord non épaissi, avec un podome constitué de trois cornes tricostulées, longues et plus ou moins courbées, entre la base desquelles s’intercalent, portées par une mince paroi, trois paires de grandes épines peu épaisses, non costulées. Système trabéculaire interne avec un bâtonnet médian des extrémités duquel partent trois et quatre trabécules fines rejoignant la base des sept apophyses“ ( Deflandre 1972b: 14).

DIAGNOSIS (English translation by Taniel Danelian). — “Cephalis spherical, perforated by circular pores that are not closely spaced to one another, bearing four costate horns one of which, not exactly apical, is often more developed. Opening large, with a thin border and with a podome that is formed by three long tri-bladed horns, which are long and more or less curved, and at the base of which is intercalated, and held by a thin wall, three pairs of large thin spines, which are not bladed. The internal spicular (trabecular) system bears a median bar from the extremities of which extend three and four thin spicules that join at the base seven apophyses.”