Pillotina corrugata sp. nov., Hollandina grandis sp. nov. and Hollandinoides gharagozlouae gen. nov. sp. nov.

Large helical cells that colonize the hindgut of the termite Reticulitermes flavipes. They can be detected with the 16S rRNA-targeted oligonucleotide probe Rf-HolD1-990 (5'-GGCTTCCCCACTATGTCAAA-3'). The type genome is from the hindgut of the termite Reticulitermes flavipes. 

Helical cells are rounded to oblong in cross sections, with a diameter of 0.5–0.7µm at the widest point. The length varies between 30 and 80 µm. Approx. 70–80 periplasmic flagella. The rounded protoplasmic cylinder is 0.4–0.5 µm in diameter. Members of this species colonize the hindgut of the genus Incisitermes. They can be detected with the 16S rRNA-targeted oligonucleotide probe It-Hol-183 (5'-CCATGCCACAGCACGATAAG-3'). The type genome is from the hindgut of the termite Incisitermes tabogae.

Includes all genomes that show ≥95% average nucleotide identity (ANI) to the type genome. The type genome has an estimated size of 3.72 Mbp and a GC content of 49.1 mol%.

Large helical cells that colonize the hindgut of the termite Reticulitermes flavipes. They can be detected with the 16S rRNA-targeted oligonucleotide probe Rf-HolD1-990 (5'-GGCTTCCCCACTATGTCAAA-3'). The type genome is from the hindgut of the termite Reticulitermes flavipes. 

Helical cells are 0.9–1.2 µm in diameter, with 26–30 parallel ridges. The length varies between 40 and 90 µm. Approx. 70–100 periplasmic flagella. The protoplasmic cylinder is 0.4–0.5 µm in diameter. Members of this species colonize the hindgut of the genus Kalotermes. They can be detected with the 16S rRNA-targeted oligonucleotide probe Kf-Pil-1449 (5'-GCAGCGCCCTCCTTTTACAA-3'). The type genome is from Kalotermes flavicollis. 

Includes all genomes that show ≥95% average nucleotide identity (ANI) to the type genome. The type genome has an estimated genome size of 3.14 Mbp and a GC content of 43.2 mol%.