Genus Turriplaca Cavalier-Smith, 2012

Diagnosis: tangential plate scales with irregularly arranged upper-tier holes; outer layer of hollow terminally toothed, cylindrical and robustly columnar, radial spine scales, largely or entirely non-perforated by lateral holes.
Etymol: turris L. tower, because of the robust columnar shape of the spine scales like a round lighthouse tower; placous Gk (a flat cake) refers to the plate scales.

8 species.

Turriplaca triangula,
basionym Pinaciophora triangula Thomsen (1978)
(synonym Rabdiophrys triangula Roijackers and Siemensma, 1988).

Recent posts

Ditrema spec.

Ditrema spec. Ditrema spec. Diagnosis: Shell as with D. longicollis, but much smaller, surrounded by V-shaped structures that gave it the impression of a star.

Read More »

Rotosphaerida

Pompholyxophrys Pompholyxophrys Pompholyxophrys Rabdiophrys Rotosphaerida Rainer, 1968 Diagnosis: Aciliate predominantly spherical or flattened amoebae from which elongated actin-based filopodia extend; with flat discoid mitochondrial cristae;

Read More »

Centropyxis tabel

Key to Centropyxis species 1 Test in dorsal view circular or almost circular 2 – Test in dorsal view irregular due to various outgrows and

Read More »