Totollum Schwartzapfel & Holdsworth, 1996

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 : 475

Totollum Schwartzapfel & Holdsworth, 1996

Totollum Schwartzapfel & Holdsworth, 1996: 142 .

TYPE SPECIES. — Totollum blomei Schwartzapfel & Holdsworth, 1996 ( Schwartzapfel & Holdsworth 1996: 146, pl. 10, fig. 1, 2, 6, 7, 12, 13, 16, 17).

AGE AND LOCATION OF TYPE MATERIAL. — Upper Famennian (Upper Devonian), Woodford Formation, Criner Hills and southern Arbuckle Mountains, Oklahoma, USA.

TAXON CODE. — 232.

STATUS. — Valid.

DIAGNOSIS. — “Test two-chambered, three-chambered, or multichambered, with or without strictures at joints, conical in shape, non-lobulate to distinctly lobulate in outline. First chamber small, hemispherical with two subapical horns. Horns thorn-like; solid, circular in axial section.Two diametrically opposed lateral rods originating close to base of first chamber, incorporated in the shell wall, and projecting either beyond the very base of the shell or halfway around the shell to form a wing-like structure. Test with single layer of pore frames with circular, elliptical or irregular, worm-like pores; pores usually densely and evenly distributed on the wall surface of the distal chambers. First chamber skeletal elements, extremely delicate, usually not preserved; confined to the interior of the first chamber only.Test with very weakly developed partition(s).” ( Schwartzapfel & Holdsworth 1996: 142).