Diastylis, Say, 1818

publication ID	https://doi.org/ 10.11646/zootaxa.4941.3.9
publication LSID	lsid:zoobank.org:pub:1DA66EC3-442D-4F5A-984E-47E04AEB724B
DOI	https://doi.org/10.5281/zenodo.4595499
persistent identifier	https://treatment.plazi.org/id/32557B3C-FFAE-A650-FF64-FB2345A61C69
treatment provided by	Plazi
scientific name	Diastylis
status

Key to the Korean species of Diastylis View in CoL

1. Carapace with transverse and oblique ridges................................................................ 2

- Carapace without transverse and oblique ridges............................................................. 4

2. Carapace with a pair of lateral oblique ridges............................................... D. uniplicata sp. nov.

- Carapace with two pairs of lateral oblique ridges............................................................ 3

3. Carapace, frontal lobe with 2 transverse ridges.................................................... D. alaskensis View in CoL

- Carapace, frontal lobe with 1 transverse ridge.................................................... D. paratricinta View in CoL

4. Carapace without any spine or spinule............................................................. D. inplicata View in CoL

- Carapace with numerous spines or spinules................................................................. 5

5. Carapace with numerous spines, a pair of large and stout spines near antero-lateral corner.................... D. loricata View in CoL

- Carapace with numerous spinules (minute spiniform points), without any large and stout spine................ D. koreana View in CoL