Entactinosphaera Foreman, 1963 sensu Won (1997a)

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 : 441

Entactinosphaera Foreman, 1963 sensu Won (1997a)

Entactinosphaera Foreman, 1963: 274 . — Won 1997a: 340.

Thecentactinia Nazarov, 1975b: 71 .

Belowea Won, 1983: 129 .

Stolbergia Kozur & Mostler, 1989: 198 (n. syn.)

TYPE SPECIES. — Entactinosphaera esostrongyla Foreman, 1963: 274 , pl. 2, fig. 1, pl. 6, fig. 1a-b.

AGE AND LOCATION OF TYPE MATERIAL. — Upper Devonian, Huron Member, Ohio Shale, USA.

TAXON CODE. — 092.

STATUS. — Valid.

DIAGNOSIS. — “Two or more, well-developed, spherical or subspherical shells, and an internal, six-rayed double spicule. When secondary spines are present, the six spines developed from the rays of the internal spicule are generally differentiated and recognizable as main spines.” ( Foreman 1963: 274).

REMARKS

Won (1997a) restricted this genus to forms with three or more shells. Many two-shelled species originally assigned to Entactinosphaera now reside in Trilonche Hinde, 1899 .