Austrosignum Hodgson 1910
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 Austrosignum
1. Pereionite 1–7 dorsal surface smooth, without ornamentation; eyestalks shaft before apex approximately parallel......... 2
- Pereionite 1–4 dorsal surface with transverse bumps (wrinkled appearance in dorsal view), with pair of low broad lobes or convexities; pereionite 5–7 dorsal surface with transverse ridges; eyestalks shaft before apex constricted proximally......................................................................... Austrosignum escandellae Castelló, 2004
2. Pleotelson posterior projection evenly curving into lateral margin; antennula article 1 shorter than article 2; antenna article 5 only slightly longer than article 4; pereiopod I merus posterior margin with only fine setae................................................................................................ Austrosignum glaciale Hodgson, 1910
- Pleotelson posterior projection set apart from lateral margins by concavity at level of uropods; antennula article 1 length subequal to, or longer than article 2; antenna article 5 distinctly longer than article 4; pereiopod I merus posterior margin with one robust seta on distal margin............................................................................. 3
3. Body dorsally with scattered fine simple setae; body widest in male at pereionite 2; pleotelson lateral margin with proximal neck before convex margins..................................................... Austrosignum latum sp. nov.
- Body dorsal surface with scattered long simple setae; body widest in male at pereionite 3; pleotelson lateral margin convex, without proximal neck........................................................ Austrosignum pilosum sp. nov.
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Paramunnidae
- Genus
- Austrosignum
- Kingdom
- Animalia
- Order
- Isopoda
- Phylum
- Arthropoda
- Scientific name authorship
- Hodgson
- Taxon rank
- genus
- Taxonomic concept label
- Austrosignum Hodgson, 1910 sec. Just & Wilson, 2021
References
- Castello, J. (2004) Two new species of Paramunnidae (Crustacea, Isopoda, Asellota) from the South Shetland Islands. Antarctic Science, 16, 239 - 252. https: // doi. org / 10.1017 / S 0954102004002093
- Hodgson, T. V. (1910) Crustacea. IX. Isopoda. National Antarctic Expedition, Natural History, 5, 1 - 77.