Thalassocrinus clausus Mironov & Sorokina 1998 ...

• Main Author: Roux, Michel
• Format: Text
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Crinoidea; Hyocrinida; Hyocrinidae; Thalassocrinus; Thalassocrinus clausus; Pacific; Sorokina; Southern Ocean; Three Arms
• Online Access: https://dx.doi.org/10.5281/zenodo.6095284; https://zenodo.org/doi/10.5281/zenodo.6095284

Thalassocrinus clausus Mironov & Sorokina, 1998 Figure 17, Tables 16–17. Synonymy: Thalassocrinus clausus Mironov & Sorokina, 1998: 36 –39, fig. 11, pls. 5 (5–6), 6 (1–2), 10 (6); Roux 2002: 173– 174, 184; Roux et al. 2002: 822; Roux & Lambert 2011: 48, 51. Material examined. USNM 1005456 from South of Gambier Islands, SE Pacific basin, 42°01’ à 41°57’S –130°02’ à 13°01’W, depth 4,831–4,851 m: one specimen with aboral cup and proximal arms, and three stalk fragments. Description. Theca very similar to holotype, except cup higher than wide, orals without terminal finger-like projection, and anal cone slightly higher than oral cone. Measurements are given in Tables 16 and 17. Proximal arm pattern 1+2 3 4+5 with first pinnule on Br5, one arm missing, three arms broken after Br5, the fifth separated (length 9.2 mm) with successive brachial pairs beyond Br6. A single row of H-shaped plates in proximal pinnules only, probably indicative of an immature specimen. Length of preserved stalk 22.6 mm. ... : Published as part of Roux, Michel, 2015, Crinoids of the stalked family Hyocrinidae (Echinodermata) collected by the USNS Eltanin in the Southern Ocean, pp. 381-409 in Zootaxa 3990 (3) on pages 405-407, DOI: 10.11646/zootaxa.3990.3.4, http://zenodo.org/record/243049 ...