Trachythyone flaccida Thandar, 2013, n. sp. ...

• Main Author: Thandar, Ahmed S.
• Format: Text
• Language: unknown
• Published: Zenodo 2013
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Holothuroidea; Dendrochirotida; Cucumariidae; Trachythyone; Trachythyone flaccida; Fridtjof Nansen
• Online Access: https://dx.doi.org/10.5281/zenodo.6158749; https://zenodo.org/doi/10.5281/zenodo.6158749

Trachythyone flaccida n. sp. (Figures 1 & 2) Diagnosis. A plump, soft-bodied, barrel-shaped species of Trachythyone, up to 50 mm in length when preserved. Colour in alcohol light greyish brown. Mouth and anus terminal. Anal teeth absent. Tube feet non-retractile, scattered, slightly more numerous ventrally. Body wall ossicles comprising a superficial layer of irregular, cup-like baskets, often accompanied by cross-shaped deposits, and a deeper layer of smooth, elongated to irregular, multilocular plates, aggregated at base of tube feet. Tube feet and tentacles with rods; introvert without ossicles; end-plates absent. Etymology. The specific name refers to the soft, limp body. Material examined. Holotype SAM A28116, Dr. Fridtjof Nansen Demersal Survey, Stn. 3924, off southern Angola, 16º 11´S, 11º 46´E, 6 III 2006, 36 m.; Paratypes —SAM A28117, same data as holotype, 4 spec. Description of holotype. Holotype slightly damaged, deflated, tentacles retracted. Body soft, flabby; form barrel-shaped (see ... : Published as part of Thandar, Ahmed S., 2013, Trachythyone flaccida, a new sea cucumber species from southern Angola (Echinodermata: Holothuroidea: Dendrochirotida: Cucumariidae) with key to the genus, pp. 395-400 in Zootaxa 3693 (3) on pages 396-398, DOI: 10.11646/zootaxa.3693.3.10, http://zenodo.org/record/216924 ...