Amphimonhystrella, Timm, 1961

publication ID	https://doi.org/10.11646/zootaxa.5222.2.2
publication LSID	lsid:zoobank.org:pub:4386359E-14AE-4953-96AC-C77509EE12A7
DOI	https://doi.org/10.5281/zenodo.7467955
persistent identifier	https://treatment.plazi.org/id/1540CF6A-FF8C-7066-BE9C-F88CFA77FED1
treatment provided by	Plazi
scientific name	Amphimonhystrella
status

Updated dichotomous key for identification of Amphimonhystrella species (based on Gagarin & Tu, 2021)

- Body shorter than 600 μm long.......................................................................... 3

3. c′ = 7.3–8.7, gubernaculum with large dorsal apophysis................................................. A. parva

- c′ <7, gubernaculum with small dorsal apophysis.............................................................4

4. One testis, tail drop-like enlarged strongly in terminal portion........................................ A. bullacauda

- Paired testes, tail not enlarged in terminal portion............................................................ 5

5. Buccal cavity conical, a=36, spicules 16 μm long....................................................... A. unita

- Buccal cavity funnel shaped, a=25–28, spicules 12 μm long..................................... A. boucheri sp. nov.