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Yogsothothidae
Yogsothoth carteri, from Shishkin and Zlatogursky, 2018

Yogsothothidae  Shishkin and Zlatogursky, 2018

Diagnosis: Centrohelids covered with two types of tangentially-oriented plate-scales, having a different morphology. Scales of inner layer are flattened, simple in structure, usually ornamented with axial rib.

Genus Yogsothoth  Shishkin and Zlatogursky, 2018

Diagnosis: Colony-forming centrohelids with two types of tangential siliceous scales. Inner scales, surrounding individual cells are flattened, patternless except for the presence of an axial rib, with inflected margin. Thick layer of outer scales surrounds the colony. The curved edges of the outer scales form more or less deep cavity.
Type species: Yogsothoth knorrus Shishkin and Zlatogursky, 2018.

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