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66 results for “Sternaspidae”
FIGURE 7 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 7. Sternaspis wui sp. nov., holotype (A–G: MBM020945) and paratype (H: MBM021253). A. Complete specimen in ventral view, arrows pointing to genital papillae; B. Anterior end in frontal view; C. Introvert hooks of anterior three chaetigers; D. Introvert hooks close-up, showing the tapering end; E. Abdomen in lateral view; F. Branchial plates in rear end view, branchiae removed; G, H. Shield morphology. Scale bars: 5 mm (A), 1 mm (B, C, F–H), 0.2 mm (D) and 2 mm (E).
FIGURE 2 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 2. Petersenaspis salazari sp. nov., holotype (A, B, E–G: MBM020924) and paratype (C, D: MBM020958). A. Complete specimen in ventral view, arrows pointing to genital papillae; B. Introvert hooks and four bands of numerous dark papillae in the anterior segments; C. Branchial plates in rear end view, branchiae removed; D, E. Shield morphology; F. Introvert hooks close-up, showing the sub-distally expanded and obliquely truncate pattern, arrows pointing to the median furrows; G. Abdomen in lateral view, showing clusters of papillae arranged in rows. Scale bars: 5 mm (A), 1 mm (B–E), 0.2 mm (F) and 2 mm (G).
FIGURE 6 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 6. Juveniles of Sternaspis spinosa Sluiter, 1882. A. Three specimens (A1–A3: MBM020926); B. Shield morphology of specimen A1; C. Shield morphology of specimen A3; D. Anterior end of specimen A3 in ventral view; E. Branchial plates of specimen A3 in rear end view, branchiae removed. Scale bars: 2 mm (A) and 0.5 mm (B–E).
FIGURE 1 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 1. Distribution of four sternaspid species (except Sternaspis sunae sp. nov.) in the northern South China Sea based on the examined material. Note: The specimens of S. sunae were collected from the sea area of the Nansha Islands without information of exact co-ordinates.
FIGURE 2 in Sternaspis chilensis n. sp., a new species from austral Chilean channels and fjords (Annelida, Sternaspidae)
FIGURE 2. Holotype (MNHNCL ANN-15024) paratypes 22 mm long (MNHNCL ANN-15029) ventral view (inset: A´close-up of body papillae from region indicated by arrow), B) anterior end, ventral view; C) close-up of mouth area showing papillae; D) close-up of genital papillae; E) chaetiger 1, left side, bronze chaetae; F) posterior region showing shield, chaetae and branchial region; G) left lateral marginal shield chaetae, showing distribution pattern; H) detail of chaetae from lateral shield; I) branchial plate detail, branchiae removed, paratype.
FIGURE 3. Sternaspis chilensis n in Sternaspis chilensis n. sp., a new species from austral Chilean channels and fjords (Annelida, Sternaspidae)
FIGURE 3. Sternaspis chilensis n. sp. A) paratype, 22 mm long, (MNHNCL- ANN-15025) interbranchial filamentous papillae; B) paratype, 22 mm long, lateral view (MNHNCL- ANN-15025); C) paratype (MNHNCL-ANN-15026); D) paratype (MNHNCL-ANN-15027); E) paratype (MNHNCL-ANN-15028); F) paratype (MNHNCL-ANN-15029), 15 mm long.
FIGURE 7 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 7. Petersenaspis pakbaraensis sp. nov. (A, E–G. PSUZC-POL-0297; B, I. PSUZC-POL-0299; C, H. PSUZC-POL- 0305; D, G. PSUZC-POL-0302). A. Complete specimen, ventral view; B. Another complete specimen, introvert invaginated, ventral view; C. Same, lateral view; D. Anterior end, frontal view; E. Spatulate neurohooks of chaetiger 1, frontal view; F. Genital papillae, frontal view; G. Ventro-caudal shield, frontal view; H. Branchial region, tip of posterior filament in circle, ventral view; I. Tip of straight filament associated with branchia, lateral view. Abbreviations: branchiae br, capillary chaeta cc, genital papilla gp, straight filament hd, mouth mo, papilla pa, peristomium pe, prostomium pr.
FIGURE 6 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 6. Petersenaspis pakbaraensis sp. nov. Light photographs (A, C. Holotype PSUZC-POL-0296; B. PSUZC-POL- 0297; D. PSUZC-POL-0301; E–F. PSUZC-POL-0299; G. PSUZC-POL-0303; H. PSUZC-POL-0298; I. PSUZC-POL-0305). A. Complete specimen, dorsal view; B. Complete specimens with introvert invaginated, dorsal and lateral view; C. Genital papillae, dorsal view; D. Branchial plate after removal of branchial and interbranchial filaments, ventral view; E. Branchiae, arrow points to the connection area between branchia and filament, ventral view; F. Branchial region and ventro-caudal shield, arrow points to the connection area between branchia and filament, dorsal view; G–I. Ventro-caudal shields, dorsal view. Abbreviations: branchiae br, genital papilla gp, sand particles sp, straight filament hd, suture st.
FIGURE 5 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 5. Petersenaspis narisarae sp. nov. Light photographs (A–B, H. Holotype, PSUZC-POL-0291; C, G. PSUZC-POL- 0292; D. PSUZC-POL-0295; E, F. AM W.52925). A. Complete specimen, dorsal view; B. Same, lateral view; C. Complete specimens with introvert invaginated, dorsal view; D. Golden hooks inside the body wall, lateral view; E. Branchial filaments, ventral view; F. Branchial plate after removal of branchiae and longer interbranchial filaments, ventral view; G–H. Ventro-caudal shield, dorsal view. Abbreviations: inner shield 1, medial shield 2, outer shield 3, interbranchial filaments ibf, branchiae br, genital papilla gp, straight filament hd, suture st.
FIGURE 4 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 4. Petersenaspis apinyae sp. nov. (A, C, D–F, I–K. PSUZC-POL-0273; B, L–N. PSUZC-POL-0283; H. PSUZC- POL-0288). A. Anterior region, ventral view. B. Anterior end, frontal view; C. Spatulate neurohooks, lateral view; D. Close up of smaller chaetae in rectangle of C.; E. Lateral simple chaetae of abdomen arrow points to capillary chaeta, lateral view; F. Posterior region, area in oval with lateral papillae, lateral view; G. Same, close up of oval area of F., lateral body surface; H. Ventrocaudal shields, frontal view; I. Posterior end, elongated papillae of lateral body in circle, lateral view; J. Branchiae and straight filament, lateral view; K. Ring at the connection between branchia and filament, top view; L. Close up texture of branchia, top view; M. Close up, filament surface; N. Close up, tip of posterior filament. Abbreviations: branchial filament br, capillary chaeta cc, straight filament hd, lateral capillary chaeta lcc, mouth mo, papilla pa, peristomium pe, prostomium pr.
FIGURE 3 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 3. Petersenaspis apinyae sp. nov. Light photographs (A, B, E. Holotype PSUZC-POL-0268; C, F. PSUZC-POL- 0276; D. PSUZC-POL-0277; G. PSUZC-POL-0284; H. PSUZC-POL-0274; I. PSUZC-POL-0281; J. PSUZC-POL-0286). A. Complete specimen, dorsal view; B. Same, lateral view; C. Prostomium, frontal view; D. Branchial plate after removal of branchial and interbranchial filaments, ventral view; E–F. Ventro-caudal shield, oblique lateral view; G–J. Same, frontal view. Abbreviations: number of segments 1–15, anterior keel ak, branchial filament br, genital papilla gp, straight filament hd, mouth mo, peristomium pe, prostomium pr, suture st.
FIGURE 1 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 1. Type localities of the accepted species of Petersenaspis Sendall & Salazar-Vallejo, 2013.
FIGURE 2 in Three new species of Sternaspidae (Annelida: Sedentaria) from Thailand
FIGURE 2. Sampling sites in the Gulf of Thailand and Andaman Sea where specimens of P. apinyae sp. nov. (triangles), P. narisarae sp. nov. (stars), and P. pakbaraensis sp. nov. (circles) were collected.
Fig. 3. Mauretanaspis longichaeta gen. et spec. nov. A–C in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 3. Mauretanaspis longichaeta gen. et spec. nov. A–C. Holotype (MNHN-IA-TYPE 2005). A. Anterior end (introvert) with tapering hooks, ventral view. B. Ventro-caudal shield, ventral view. C. Posterior end, showing brownish branchial region, dorsal view. D. Juvenile specimen collected off Angola (MNHN-IA-PNT 120) (anterior end damaged, gonopodial lobes not developed), ventral view. Abbreviations: br = branchial filament; pch = posterior shield chaetae. Numbers 1–3 = anterior segments with hooks; * = body damaged with oesophagus protruding; arrowheads = anterior keels of shield; arrows = chaetae of pre-shield segments. Scale bars: A–C = 1 mm; D = 0.5 mm.
FIGURE 4 in Sternaspis chilensis n. sp., a new species from austral Chilean channels and fjords (Annelida, Sternaspidae)
FIGURE 4. Type localities of Sternaspis species.
FIGURE 1 in Sternaspis chilensis n. sp., a new species from austral Chilean channels and fjords (Annelida, Sternaspidae)
FIGURE 1. Geographical location of the study area showing collecting stations.
Figure 9 from: Salazar-Vallejo S (2013) Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean. ZooKeys 348: 1-27. https://doi.org/10.3897/zookeys.348.5449
Figure 9 - Sternaspis williamsae sp. n., holotype (LACM 5353) A Frontal view B Anterior end, oblique frontal view C Ventro-caudal shield D Largest paratype (LACM 5354), ventral view E–H Ventro-caudal shields, frontal view. Bars: A, G 0.9 mm B, H 1 mm C 0.5 mm D 1.2 mm E 0.4 mm F 0.6 mm.
Figure 8 from: Salazar-Vallejo S (2013) Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean. ZooKeys 348: 1-27. https://doi.org/10.3897/zookeys.348.5449
Figure 8 - Sternaspis uschakovi sp. n., specimen from off Central California, U.S.A. (SIORAS 4214) A Frontal view, body ventrally bent B Anterior end, frontal view C Ventro-caudal shield, frontal view. Bars: A 1 mm B 0.5 mm C 0.6 mm.
Figure 6 from: Salazar-Vallejo S (2013) Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean. ZooKeys 348: 1-27. https://doi.org/10.3897/zookeys.348.5449
Figure 6 - Sternaspis maureri sp. n., non-type specimens (Sta. 94 LACM 0000) A–C Ventral view of complete specimens D–F Ventro-caudal shields of the corresponding specimens. Bars A 0.2 mm B 2.2 mm C 0.6 mm D 0.15 mm E 0.3 mm F 0.4 mm.
Figure 5 from: Salazar-Vallejo S (2013) Six new deep-water sternaspid species (Annelida, Sternaspidae) from the Pacific Ocean. ZooKeys 348: 1-27. https://doi.org/10.3897/zookeys.348.5449
Figure 5 - Sternaspis maureri sp. n., A Holotype (LACM 5679), ventral view, shield variably broken B Paratype (LACM 5680), anterior end, seen from above C Ventro-caudal shield, detached right part. Bars A 1.9 mm B 0.4 mm C 0.5 mm.
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