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66 results for “Sternaspidae”
Fig. 2 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 2. Mauretanaspis longichaeta gen. et spec. nov., holotype (MNHN-IA-TYPE 2005). A. Dorsal view. B. Lateral view, right side. C. Ventral view showing length of posteriormost lateral chaetae. Abbreviations: lch = lateral chaetae; pro = prostomium. Scale bars: 1 mm.
Fig. 1 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 1. Mauretanaspis longichaeta gen. et spec. nov., holotype (MNHN-IA-TYPE 2005), ventral view. Abbreviation: pch = posterior shield chaetae; * = body damaged with oesophagus protruding; numbers 1–13 = anterior and pre-shield segments; arrowheads = gonopodial lobes; arrows = body papillae. Scale bar: 1 mm.
Fig. 4 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 4. Mauretanaspis longichaeta gen. et spec. nov., paratype (SMF 27777). A. Entire specimen, ventral view. B. Pre-shield and abdominal region, ventrolateral view. C. Abdominal region, showing arrangement of lateral and posterior shield chaetae, ventral view. Arrowheads = gonopodial lobes; arrow = body papillae; * = body damage on dorsal side. Scale bars: 1 mm.
Figure 3 in Record of the non-indigenous species Sternaspis aff. nana Zhadan, Tzetlin & Salazar-Vallejo, 2017 (Annelida: Sternaspidae) in the Southwest Atlantic Ocean
Figure 3. Sternaspis aff. nana collected in Suape Harbor (Pernambuco, Brazil). Detail of Introvert hooks of the first chaetiger.
Figure 2 in Record of the non-indigenous species Sternaspis aff. nana Zhadan, Tzetlin & Salazar-Vallejo, 2017 (Annelida: Sternaspidae) in the Southwest Atlantic Ocean
Figure 2. Sternaspis aff. nana collected in Suape Harbor (Pernambuco, Brazil). (A) Detailed view of the margin of abdomen wall. White arrows showing pre-shield capillary chaetae; (B) Ventrocaudal shields. Black dotted showing shield plates nearly square.White arrows showing fascicles containing only one thick chaeta each, black arrow showing fan corners extended.
Figure 1 in Record of the non-indigenous species Sternaspis aff. nana Zhadan, Tzetlin & Salazar-Vallejo, 2017 (Annelida: Sternaspidae) in the Southwest Atlantic Ocean
Figure 1. Sternaspis aff. nana collected in Suape Harbor (Pernambuco, Brazil). (A) Ventral view.White arrows showing genital papillae; (B) Dorsal view; (C) Detailed ventral view of abdomen (pre-shield). Black arrows showing long filiform papillae and white arrows showing genital papillae.
FIGURE 4. Sternaspis sendalli n in Three new polar species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae)
FIGURE 4. Sternaspis sendalli n. sp. A–C. Holotype (BMNH 1930.10.8.2372–2400), A. Complete specimen, ventral view, B. Anterior end, left side view, C. Same, ventro-caudal shield, frontal view, D–F. Smaller paratype (BMNH 1930.10.8.2372–2400p), D. Ventro-caudal shield, frontal view, smaller one, E. Ventro-caudal shield, frontal view, medium one, F. Ventro-caudal shield, larger one. Scale bars. A: 1.7 mm, B, E: 1.1 mm, C: 0.8 mm, D: 0.9 mm, F: 1.2 mm.
FIGURE 3. Sternaspis monroi n in Three new polar species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae)
FIGURE 3. Sternaspis monroi n. sp. A–B. Holotype (BMNH 1930.10.8.2372–2400R), A. Complete specimen, ventral view, B. Ventro-caudal shield, frontal view, C–G. Several paratypes (BMNH 1930.10.8.2372–2400R paratypes), C. Complete specimen, ventral view, D. Ventro-caudal shield, E. Another paratype, anterior end, oblique frontal view, F. Same, ventrocaudal shield, frontal view, G. Another paratype, ventro-caudal shield, frontal view. Scale bars. A: 1.6 mm, B, D: 0.8 mm, C: 1.2 mm, E: 0.6 mm, F: 1 mm, G: 1.4 mm.
FIGURE 2. Sternaspis buzhinskajae n in Three new polar species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae)
FIGURE 2. Sternaspis buzhinskajae n. sp. A–D.Two paratypes (CAS 19372), A. Complete specimen, ventral view, B. Closeup, ventro-caudal shield, C. Complete specimen, ventral view, D. Same, ventro-caudal shield, frontal view, E–F. Paratype (CAS 22618), E. Anterior end, frontal view, F. Ventro-caudal shield, frontal view. Scale bars. A: 1.4 mm, B, D: 1.1 mm, C: 2.1 mm, E: 0.8 mm, F: 1 mm.
FIGURE 5. Sternaspis sendalli n in Three new polar species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae)
FIGURE 5. Sternaspis sendalli n. sp., several juvenile specimens (USNM 56108), A. Smallest, ventral view, B. Two slightly larger specimens, ventral view, C. Ventro-caudal shield, frontal view, smaller specimen in B, D. Ventro-caudal shield, frontal view, larger specimen in B, E. Largest specimen, ventral view, F. Same, introvert hooks partly exposed, G. Same, ventro-caudal shield, frontal view. Scale bars. A: 0.7 mm, B: 1.3 mm, C: 0.2 mm, D: 0.4 mm, E: 1.7 mm, F: 0.3 mm, G: 0.5 mm.
FIGURE 1. Sternaspis buzhinskajae n in Three new polar species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae)
FIGURE 1. Sternaspis buzhinskajae n. sp., holotype (CAS 9853). A. Complete specimen, ventral view (arrow points to genital papilla), B. Frontal view of anterior end, C. Close-up of ventro-caudal shield. Scale bars. A: 1.5 mm, B: 1.1 mm, C: 0.8 mm.
FIGURE 5 in Two new species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae) from China seas
FIGURE 5. Juveniles of Sternaspis liui sp. nov. A. Five paratypes (A1–A5) from MBM283059; Ventro-caudal shield: B. from specimen A1; C. from specimen A2; D. from Specimen A3; F. from MBM020934, sediment cover not removed; G. from specimen A4; E. Branchial plates, branchiae removed. Scale bars. A: 5 mm, B–G: 1 mm.
FIGURE 4 in Two new species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae) from China seas
FIGURE 4. Sternaspis liui sp. nov. A, B, G: Holotype (MBM283058); C–F, H–I: Five paratypes from MBM283059. A. Complete specimen in ventral view; B. Anterior end in frontal view; C. Introvert hooks of first three chaetigers; D. Branchial plates, branchiae removed; E–I. Ventro-caudal shield in frontal view. Scale bars. A: 5 mm, B: 2 mm, C–H: 1 mm.
FIGURE 3 in Two new species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae) from China seas
FIGURE 3. Juveniles of Sternaspis chinensis sp. nov. A. Four specimens (A1–A4) showing size differences from MBM020989; Ventro-caudal shield: B. from MBM283063; C. from specimen A1; D. from specimen A2; E. from specimen A3; F. from specimen A4. Scale bars. A: 2 mm, B, C: 0.2 mm, D, E: 0.5 mm, F: 1 mm.
FIGURE 2 in Two new species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae) from China seas
FIGURE 2. Sternaspis chinensis sp. nov. A. Holotype (MBM020940) in ventral view; B. Anterior end of paratype (MBM020711) in frontal view; C. Introvert hooks of first three chaetigers of paratype (MBM020711); D. Branchial plates of a paratype (MBM283055), branchiae removed; E–H. Ventro-caudal shield of the holotype (E) and paratypes (F-H, MBM283068, MBM283056 and MBM283057, respectively). A. Scale bars. A: 5 mm, B–G: 1 mm, H: 0.5 mm.
FIGURE 1 in Two new species of Sternaspis Otto, 1821 (Polychaeta: Sternaspidae) from China seas
FIGURE 1. Distribution of Sternaspis chinensis sp. nov. and S. liui sp. nov. in the sea areas of China based on the examined material.
FIGURE 8 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 8. Sternaspis sunae sp. nov., holotype (A–G: MBM198787) and paratype (H: MBM283398). A. Complete specimen in ventral view, branchiae removed, 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 spearhead-like pattern, arrows pointing to the median longitudinal furrows; 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 5. Sternaspis spinosa Sluiter, 1882. A in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 5. Sternaspis spinosa Sluiter, 1882. A. Complete specimen (MBM020948) in ventral view, branchiae removed, arrows pointing to genital papillae; B, C. Anterior end (MBM020947) in ventral and left-lateral view; D. Branchial plates (MBM198745) in rear end view, branchiae removed; E–H. Shield morphology of four specimens (E: MBM020948; F: MBM020947; G: MBM198745; H: MBM020932). Scale bars: 5 mm (A), 0.5 mm (B) and 1 mm (C–H).
FIGURE 3 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 3. Sternaspis radiata sp. nov., holotype (A–C, E: MBM020950) and paratypes (D, F: MBM020952; G: MBM020957; H: MBM283395). A. Complete specimen in ventral view; B. Anterior end in frontal view; C. Introvert hooks of anterior three chaetigers; D. Branchial plates in rear end view, branchiae removed; E–H. Shield morphology. Scale bars: 2 mm (A), 0.5 mm (B–D) and 1 mm (E–H).
FIGURE 4 in Diversity of Sternaspidae (Annelida: Terebellida) in the South China Sea, with descriptions of four new species
FIGURE 4. Juveniles of Sternaspis radiata sp. nov. A. Three specimens (A1–A3: MBM283397); B. Shield morphology of specimen A1; C. Branchial plates of specimen A2 in rear end view, branchiae removed; D. Shield morphology of another specimen (MBM020953); E. Shield morphology of specimen A2; F. Anterior end of specimen A2. Scale bars: 2 mm (A), 1 mm (C) and 0.5 mm (B, D–F).
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