Pseudothyone labradorensis Kremenetskaia, Alvestad, Penney, Hamel, Neves, Côté & Mercier, 2024, sp. nov. ...

• Main Authors: Kremenetskaia, Antonina, Alvestad, Tom, Penney, Heather D., Hamel, Jean-François, de Moura Neves, Bárbara, Côté, David, Mercier, Annie
• Format: Text
• Language: unknown
• Published: Zenodo 2024
• Subjects: Biodiversity; Taxonomy; Animalia; Echinodermata; Holothuroidea; Dendrochirotida; Sclerodactylidae; Pseudothyone; Pseudothyone labradorensis; Labrador Sea
• Online Access: https://dx.doi.org/10.5281/zenodo.12689200; https://zenodo.org/doi/10.5281/zenodo.12689200

Pseudothyone labradorensis sp. nov. Figs 2, 3 Type material. Holotype. Canada • 9.5 mm in length; Labrador Sea, 56.500, - 58.084, depth 740–969 m (between bottom and recovery); 30 Aug. 2020; Station ISECOLD - 0-1000; rock dredge; substratum primarily mud with sparse rocks; IORAS ECH 02801, ID AMLAB- 02. Paratype. Canada • 14 mm in length, collected at same time and locality as holotype; IORAS ECH 02802, ID PT 1210. Both holotype and paratype are preserved and stored in 96 % ethanol. Diagnosis. Body curved, cylindrical, tapered at anterior and posterior ends. Body colour in vivo pinkish. Tentacles 10, two ventral tentacles smaller. Tube feet arranged in several rows along radii, also present in interradii and on tapered posterior part of body. Body-wall ossicles slightly concave plates of irregular shape with smooth margins and perforations. Ossicles of tube feet rod-shaped; terminal plate irregular in shape; rods not numerous, smooth, with enlarged tuberculous ends. Tentacle ossicles rods with enlarged ... : Published as part of Kremenetskaia, Antonina, Alvestad, Tom, Penney, Heather D., Hamel, Jean-François, de Moura Neves, Bárbara, Côté, David & Mercier, Annie, 2024, A new species of holothuroid from the Labrador Sea (eastern Canada): Pseudothyone labradorensis sp. nov. (Echinodermata, Holothuroidea, Dendrochirotida, Sclerodactylidae), pp. 191-206 in ZooKeys 1206 on pages 191-206, DOI: 10.3897/zookeys.1206.123364 ...