Promonhystera, Wieser, 1956

publication ID	https://doi.org/ 10.11646/zootaxa.5399.2.2
publication LSID	lsid:zoobank.org:pub:8ACF97BC-35FA-4F59-9C61-5961A37D75A5
DOI	https://doi.org/10.5281/zenodo.10494216
persistent identifier	https://treatment.plazi.org/id/65398795-475C-7F6B-A8DF-FA16FA478D8E
treatment provided by	Plazi
scientific name	Promonhystera
status

Key to valid species of the genus Promonhystera View in CoL .

1. Spicules slightly straight or arcuated, not double curved....................................................... 2

- Spicules double curved, wave-shaped..................................................................... 5

2. Precloacal supplements papilliform, spicules equal or longer than 170 μm........................... P. papilla sp. nov.

- Precloacal supplements absent, spicules shorter than 100 μm................................................... 3

3. Body length shorter than 1 mm, spicules 26–27 µm or 1.4–1.6 cloacal body diameter long.... P. crinita Leduc & Zhao, 2023 View in CoL

- Body length longer than 1 mm, spicules 58–85 µm or 2.0–2.7 cloacal body diameter long............................ 4

4. Body length 1.5 mm, spicules 71 μm................................................ P. albigensis Riemann, 1966 View in CoL

- Body length 1.39 mm, spicules 58 μm..................................................... P. faber Wieser, 1956 View in CoL

5. Tail conical, gubernaculum with four distal teeth....................................... P. tricuspidata Wieser, 1956 View in CoL

- Tail conico-cylindrical, gubernaculum plate-like without tooth............................... P. fluctispicula sp. nov.