Leptasterias
| Main Authors: | Clark, Roger N., Jewett, Stephen C. |
|---|---|
| Format: | info publication-taxonomictreatment |
| Terbitan: |
, 2015
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/6105213 |
Daftar Isi:
- Key to the known species of five-rayed Aleutian Leptasterias 1 a Carinal ossicles large, scale-like, overlapping.............................. Leptasterias squamulata Dyakonov, 1938 1 b Carinal ossicles not scale-like and overlapping.............................................................. 2 2 a Spines of carinal ossicles very short, thick, diameter as great, or greater than length.................................. 3 2 b Spines of carinal ossicles longer, length at least three times diameter............................................. 4 3 a Spines of carinal ossicles dome-shaped, arranged in distinct zigzag series............. Leptasterias arctica (Murdoch, 1885) 3 b Abactinal spines uniformly spaced, carinal series not in zigzag; tips truncated.................. Leptasterias tatei sp. nov. 4 a Spines of inferomarginal ossicles noticeably longer than those of the superomarginals............................... 5 4 b Spines of inferomarginal and superomarginals about the same length; abactinal spines slender, of uniform length and distribu- tion................................................................................................ 6 5 a Small supplementary ossicles between superomarginals......................... Leptasterias ochotensis (Brandt, 1851) 5 b Lacking small supplementary ossicles between superomarginals................... Leptasterias derbeki Dyakonov, 1938 6 a Partial disintegration of some dorsolateral ossicles, randomly leaving some carinal ossicles isolated............................................................................................ Leptasterias stolacantha Fisher, 1930 6 b Dorsolateral plates not partially disintegrated...................................... Leptasterias hylodes Fisher, 1930
- Published as part of Clark, Roger N. & Jewett, Stephen C., 2015, A new sea star of the genus Leptasterias (Asteroidea: Asteriidae) from the Aleutian Islands, pp. 579-584 in Zootaxa 3941 (4) on page 583, DOI: 10.11646/zootaxa.3941.4.6, http://zenodo.org/record/244519