Cladaster analogus Fisher, 1940
publication ID |
https://doi.org/ 10.5281/zenodo.4525461 |
DOI |
https://doi.org/10.5281/zenodo.4525379 |
persistent identifier |
https://treatment.plazi.org/id/038D664E-FF93-FFB3-1685-ADCBFE3565D5 |
treatment provided by |
Felipe |
scientific name |
Cladaster analogus Fisher, 1940 |
status |
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Cladaster analogus Fisher, 1940 View in CoL
( Fig. 2G, H View FIG )
Cladaster analogus Fisher, 1940: 123 View in CoL , fig. D, pl. 4, figs 1-3. — Bernasconi 1963: 14. — Clark & Downey 1992: 239. — Clark 1993: 251.
MATERIAL EXAMINED. — South Atlantic. Scotia Sea, 53°20’S, 42°42’W, 417-514 m, 29.XI.1986, 1 dry spec., R = 3.5 cm, r = 1.9 cm ( NMNH E38569 View Materials ). — Heard Island (near Kerguelen) on rocks, 49°58’75’S, 73°42’04’E, 930 m, III.1983, 1 dry spec., R = 4.2 cm, r = 2.3 cm ( MNHN EcAs 11737).
DISTRIBUTION. — The South Atlantic off the Falkland Islands, extending to the Scotia Sea and to Heard Island, near Kerguelen. 147- 930 m.
DIAGNOSIS. — R/r ≈ 2.0-2.6. Abactinal plates polygonal, ordered. Abactinal, marginal, and actinal plate surfaces covered with enlarged, well-spaced granules. Enlarged granules also forming border around plates. Less than 30 marginal plates from arm tip to arm tip at R = 3.5 cm. Superomarginals abutted at arm tip. Furrow spines two to three, elongate, blunt, round in cross-section.Subambulacral spine blunt, enlarged. Paddle-like pedicellariae present.
APOMORPHY LIST. — Nodes 24 to Cladaster analogus : 1.4, granules enlarged; 1.6, granules, enlarged, pointy; 2.3, SM abutted over midline; 3.2, actinal granules enlarged, pointy; 4.2, abradial to furrow spines.
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Cladaster analogus Fisher, 1940
Mah, Christopher L. 2006 |
Cladaster analogus Fisher, 1940: 123
CLARK A. M. 1993: 251 |
CLARK A. M. & DOWNEY M. E. 1992: 239 |
BERNASCONI I. 1963: 14 |
FISHER W. K. 1940: 123 |