dc:title"Redescription of the deep-sea benthic ctenophore genus Tjalfiella from the North Atlantic (Class Tentaculata, Order Platyctenida, Family Tjalfiellidae)";
dc:description"FIGURE 3. Still images of living specimens of TJalfiella aff. tristroma (2018); A. In situ observation of four individuals on host octocoral Acanella sp. Scale bar—2cm, B. Still image of a collected individual in a retracted state, showing the body shape and reproductive system, C. Closeup of the aboral side, showing the opening of the arm with a simple tentacle, D. Closeup of arms, showing the coiling of tentacles and the relaxed state of the animal. Scale bar B to D—0.25cm.";
dc:description"FIGURE 4. Additional observation by NOAA of platyctenes of similar morphology to TJalfiella aff. tristoma (2018) on dive EX1806_D17. Arrows point to individual platyctenes in the branches of Acanella sp. Scale bar—2cm.";
dc:description"FIGURE 5. Still images of living specimens of TJalfiella aff. tristroma (2022) with respect to host coral; A. In situ observation of the host coral Adinisis sp. Scale bar—2cm, B. Close-up still image of the collected host with several platyctenes in a retracted state. Scale bar—0.75cm, C. Tentacular view of two individual platyctenes separated from host coral.Arrows point to individual platyctenes on the collected Adinisis sp. Scale bar—0.5cm.";
dc:description"FIGURE 6. MicroCT 3D reconstruction of three TJalfiella samples:A. Tentacular view of T. tristoma, B. Tentacular view of T. aff. tristoma (2018), C. Tentacular view of T. aff. tristoma (2022), D. Stomodeal view of T. tristoma, E. Stomodeal view of T. aff. tristoma (2018), F. Stomodeal view of T. aff. tristoma (2022), G. Colorized internal anatomy of T. tristoma with low opacity body overlay, H. Colorized internal anatomy of T. aff. tristoma (2018) with low opacity body overlay, I. Colorized internal anatomy of T. aff. tristoma (2022) with low opacity body overlay, J. Closeup of aboral arms face with centralized opening and tentacle, K. Isolated view of intact larval T. aff. tristoma (2018) within the brood chamber, tentacular view, I. Closeup of developing brood chambers along diverticula protrusions. Blue—gastrovascular cavity (e.g., suboral cavity), Purple—Gonads, Magenta—brood pouches, Pink—tentacular apparatus, Green—canals, Teal—generalized larval anatomy. Scale bar: A–F— 3mm, G–I—1.6mm, J–L—0.3mm.";
dc:description"FIGURE 10. Illustrated Plate of TJalfiella aff. tristoma (2018) collected by NOAA: A. representation of specimens in their natural position on the stalk of Acanella sp., B. mature T. aff. tristoma (2018), tentacular view, C. Cross section of a gonad, D. Stomodeal view of mature T. aff. tristoma (2018), E. cutaway illustration featuring internalized anatomy, tentacular view. F. Closeup drawing showing the development of brood pouch on diverticula protrusions, G. view of the flattened face of aboral arm, H. aboral schematic of the arrangement of diverticula and associating canals; Tj—TJalfiella aff. tristoma (2018), H—Host coral (Acanella sp.), a.a.—aboral arm, a.f.—aboral face, b.—brooding pouch, d.b.—diverticula that transverse along the body, d.g.—gonadal diverticula, d.p.—diverticula protrusions, d.t.—tentacular diverticula, g.—gonads, m.—mouth, o.s.—oral skirt, s.c.—suboral cavity, s.—statocyst, s.f.—stomodeal folds, s.o.—secondary opening (mouth), t.—tentacle, t.b.—tentacle bulb, t.s.—tentacle sheath, t.o.—tentacle opening.";
