Cladaster analogus Fischer 1940

• Main Author: Mah, Christopher L.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2006
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Asteroidea; Valvatida; Goniasteridae; Cladaster; Cladaster analogus; Heard Island; Scotia Sea
• Online Access: https://doi.org/10.5281/zenodo.4525379; http://treatment.plazi.org/id/038D664EFF93FFB31685ADCBFE3565D5

Cladaster analogus Fisher, 1940 (Fig. 2G, H) Cladaster analogus Fisher, 1940: 123, 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). — 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. Published as part of Mah, Christopher L., 2006, Phylogeny and biogeography of the deep-sea goniasterid Circeaster (Echinodermata, Asteroidea, Goniasteridae) including descriptions of six new species, pp. 917-954 in Zoosystema 28 (4) on page 927, DOI: 10.5281/zenodo.4525461