Cryosignum Just & Wilson 2007
Creators
- 1. Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Universitetsparken 15, DK- 2100 Copenhagen Ø, Denmark; (Hon. Associate, Museum Victoria, Melbourne)
- 2. Saugatuck Natural History Laboratory, Saugatuck, Michigan 49453, USA.
Description
Key to species of Cryosignum
1. Pereionite 1–7 dorsal surface smooth; antennula article 1 length subequal to article 2, or longer than article 2............ 2
- Pereionite 1–7 dorsal surface with transverse ridges; antennula article 1 shorter than article 2......................... 3
2. Head frontal margin nearly straight with angular corners; pereionites 1–7 lateral margin rounded, smooth; pleotelson lateral margin with proximal neck before convex margin; antennula articles 3 and 5–6 of subequal length, longer than article 4............................................................................ Cryosignum nordenstami sp. nov.
- Head front margin broadly convex, without angular corners; pereionite 1 lateral margin broadly rounded with small concavity; pereionite 1–4 lateral margins denticulate; pleotelson lateral margin convex; antennula articles 5–6 of subequal length, longer than articles 3–4....................................................... Cryosignum latifrons (Menzies, 1962)
3. Head frontal margin nearly straight laterally, with angular lateral corners adjacent to antennae; eyestalks shaft constricted proximally; pleotelson laterally rounded, with inflection between proximal and lateral margins.............................................................................................. Cryosignum incisum (Richardson, 1908)
- Head frontal margin broadly rounded, without angular lateral corners adjacent to antennae; eyestalks shaft before apex approximately parallel; pleotelson laterally rounded with inflection and distinct neck between lateral and proximal margins............................................................................... Cryosignum lunatum (Hale, 1937)
Notes
Files
Files
(2.2 kB)
Name | Size | Download all |
---|---|---|
md5:9a8175969c3acc963a60f400fbe8ba76
|
2.2 kB | Download |
System files
(9.4 kB)
Name | Size | Download all |
---|---|---|
md5:e9fcf53cd5aaab63e126b32c53f2d25f
|
9.4 kB | Download |
Linked records
Additional details
Identifiers
Biodiversity
- Family
- Paramunnidae
- Genus
- Cryosignum
- Kingdom
- Animalia
- Order
- Isopoda
- Phylum
- Arthropoda
- Scientific name authorship
- Just & Wilson
- Taxon rank
- genus
- Taxonomic concept label
- Cryosignum Just, 2007 sec. Just & Wilson, 2021
References
- Menzies, R. J. (1962) The zoogeography, ecology, and systematics of the Chilean marine isopods. Reports of the Lund University Chile Expedition 1948 - 49, Lunds Universitets Arsskrift, Neue Folge, Avd. 2, 57, 1 - 162.
- Richardson, H. (1908) Isopodes (2 e Memoire). In: Charcot, J. & Joubin, L. (Eds.), Expedition Francaise (1903 - 1905), commandee par le Dr Jean Charcot, Documents scientifiques de Science naturelle. Crustaces, Paris, 1908, pp. 1 - 8.
- Hale, H. M. (1937) Isopoda and Tanaidacea. Australasian Antarctic Expedition 1911 - 14. Scientific Reports, Ser. C 2, Zoology and Botany, 2 (2), 1 - 45.