Quadriremis Nazarov & Ormiston, 1985

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 : 466

Quadriremis Nazarov & Ormiston, 1985

Quadriremis Nazarov & Ormiston, 1985: 36 .

TYPE SPECIES. — Quadriremis gliptoacus Nazarov & Ormiston, 1985 ( Nazarov & Ormiston 1985: 36, pl. 4, fig. 8-9, text-fig. 9a-b; holotype never figured, paratype pl. 4, fig. 8).

AGE AND LOCATION OF TYPE MATERIAL. — Lower Permian, Artinskian Stage, Aktastinian Substage, Southern Urals.

TAXON CODE. — 197.

STATUS. — Junior synonym of Quadricaulis Caridroit & De Wever, 1986 (herein).

DIAGNOSIS. — “ Latentifistulidae with internal framework forming a nonporous sphere with four hollow rays. Three rays usually emerging from sphere at 120’ with fourth ray perpendicular to that grouping. Internal framework enclosed in platy, platy latticed or, rarely, a spongy shell. Terminal spines connected with rays of internal framework by thin rods.” ( Nazarov & Ormiston 1985: 36).

REMARKS

This taxon is commonly found as fragments because of its size and delicate rays. The most complete representatives are figured and included under the genus Quadriremis , but are just better preserved and more complete specimens of Quadricaulis Caridroit & De Wever, 1986