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365 results for “Nereididae”
Fig. 14. Nereis lunulata Ehlers, 1901 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 14. Nereis lunulata Ehlers, 1901 stat. nov., syntype (SMNH Type 513). A. Anterior region, dorsal view. B. Chaetiger 11, right parapodium, anterior view. C. Chaetiger 30, right parapodium, anterior view. D. Chaetiger 52, right parapodium, posterior view. E. Chaetiger 30, notopodial homogomph falciger. F. Same, neuropodial heterogomph falciger of infracicular fascicle.
Fig. 12 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 12. Nereis riisei Grube & Örsted in Grube, 1857, non-type specimen (ECOSUR P2256). A. Anterior region, dorsal view. B. Anterior end, dorsal view. C. Chaetiger 2, left parapodium, anterior view. D. Chaetiger 30, left parapodium, anterior view. E. Chaetiger 90, left parapodium, anterior view. F. Chaetiger 168, left parapodium, anterior view. G. Posterior region, dorsal view, after Shirlastain-A staining.
Fig. 11 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 11. Nereis riisei Grube & Örsted in Grube, 1857, holotype of Nereis glandulata Hoagland, 1919 (AMNH 1211). A. Anterior fragment, dorsal view. B. Anterior end, dorsal view. C. Chaetiger 2, right parapodium, anterior view. D. Chaetiger 9, right parapodium, anterior view. E. Same, neuropodial supracicular heterogomph falciger. F. Same, neuropodial subacicular heterogomph falciger.
Fig. 17. Nereis occidentalis Hartman, 1945. A–B, I in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 17. Nereis occidentalis Hartman, 1945. A–B, I: holotype (LACM 836); C–H, J–L: paratype (LACM 837). A. Anterior region, dorsal view. B. Posterior region, dorsal view. C. Pharynx, dorsal view. D. Same, ventral view. E. Chaetiger 2, right parapodium, posterior view. F. Chaetiger 11, right parapodium, posterior view. G. Chaetiger 34, right parapodium, posterior view. H. Chaetiger 62, right parapodium, posterior view. I. Chaetiger 87, right parapodium, posterior view. J. Same, notopodial homogomph falciger. K. Same, neuropodial subacicular heterogomph spiniger. L. Same, neuropodial subacicular heterogomph falciger.
Fig. 15. Nereis lunulata Ehlers, 1901 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 15. Nereis lunulata Ehlers, 1901 stat. nov., non-type specimen (MNHN 83-T52). A. Anterior region, dorsal view. B. Anterior end, dorsal view. C. Anterior end, ventral view. D. Chaetiger 2, left parapodim, anterior view. E. Chaetiger 14, left parapodium, anterior view. F. Chaetiger 30, left parapodium, posterior view (inset: close-up of dorsal cirrus). G. Chaetiger 56, left parapodium, anterior view (inset: homogomph falciger).
Fig. 10 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 10. Nereis riisei Grube & Örsted in Grube, 1857, holotype (NHMD 109270). A. Anterior end, dorsal view. B. Chaetiger 10, right parapodium, anterior view. C. Chaetiger 40, right parapodium, anterior view. D. Chaetiger 60, right parapodium, anterior view. E. Chaetiger 10, heterogomph falcigers. F. Chaetiger 40, heterogomph spiniger. G. Chaetiger 60, homogomph falciger, tip slightly eroded. H. Chaetiger 60, heterogomph falciger.
Fig. 9 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 9. Nereis marginata Grube & Örsted in Grube, 1857 reinstated, non-type, atoke specimens. A–B, E–K: ECOSUR P3104; C–D: UMML 22.1174. A. Anterior region, dorsal view. B. Posterior end, dorsal view. C. Anterior region, dorsal view. D. Posterior end, dorsal view. E. Chaetiger 52, notopodial homogomph falciger. F. Same, supracicular heterogomph falciger. G. Same, subacicular heterogomph falciger. H. Chaetiger 1, right parapodium, anterior view. I. Chaetiger 12, right parapodium, anterior view. J. Chaetiger 28, right parapodium, anterior view. K. Chaetiger 52, right parapodium, anterior view.
Fig. 6. Nereis splendida Grube, 1840 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 6. Nereis splendida Grube, 1840, non-type, atokous specimens. A–F. MNHN 423-531. A. Anterior region, dorsal view. B. Anterior end, dorsal view. C. Chaetiger 2, right parapodium, anterior view. D. Chaetiger 15, right parapodium, anterior view. E. Chaetiger 30, right parapodium, anterior view. F. Chaetiger 55, right parapodium, anterior view (inset: homogomph falciger tip). G–H. MNHN 495-1. G. Anterior region, dorsal view. H. Posterior region, left lateral view. I. Another specimen (MNHN 423- 531), chaetiger 30, right parapodium, homogomph falciger tip.
Fig. 3. Nereis splendida Grube, 1840 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 3. Nereis splendida Grube, 1840, neotype (MNHN 423-311), male epitoke. A. Anterior region, dorsal view, depressed by cover slip. B. Anterior end, dorsal view. C. Anterior end, ventral view. D. Posterior region, dorsal view.
Fig. 5. Nereis splendida Grube, 1840 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 5. Nereis splendida Grube, 1840, non-type, female epitoke (MNHN A83), after Shirlastain-A staining. A. Anterior region, dorsal view. B. Anterior end, ventral view. C. Posterior region, dorsal view. D. Chaetiger 2, right parapodium, anterior view. E. Chaetiger 15, right parapodium, anterior view. F. Chaetiger 30, right parapodium, anterior view. G. Chaetiger 73, right parapodium, anterior view (chaetae omitted).
Fig. 8 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 8. Nereis marginata Grube & Örsted in Grube, 1857, reinstated, holotype (NHMD 109266). A. Anterior region, dorsal view. B. Prostomium, dorsal view. C. Chaetiger from anterior region, right parapodium, anterior view. D. Chaetiger from middle region, right parapodium, anterior view. E. Chaetiger from posterior region, right parapodium, anterior view. F. Posterior chaetiger, notopodial homogomph falciger. G. Anterior chaetiger, supracicular heterogomph falciger. H. Same, subacicular heterogomph falciger. I. Middle chaetiger, supracicular heterogomph falciger. J. Same, subacicular heterogomph falciger. K. Posterior chaetiger, supracicular heterogomph falciger. C–E, ventral cirrus missing.
Fig. 4. Nereis splendida Grube, 1840 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 4. Nereis splendida Grube, 1840, non-type, largest male epitoke (MNHN A83), after Shirlastain-A staining. A. Anterior region, dorsal view. B. Anterior end, ventral view. C. Chaetiger 2, right parapodium, anterior view. D. Chaetiger 15, right parapodium, anterior view. E. Chaetiger 30, right parapodium, anterior view. F. Chaetiger 74, right parapodium, posterior view (chaetae omitted). G. Posterior region, dorsal view.
Fig. 7 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 7. Nereis callaona Grube & Kröyer in Grube, 1857, holotype (NHMD 109278). A. Anterior end, oblique dorsal view. B. Same, close-up of pharynx. C. Pharynx, oblique ventral view. D. Chaetiger 10, right parapodium, anterior view. E. Chaetiger 31, right parapodium, anterior view. F. Chaetiger 61, right parapodium, anterior view. G. Chaetiger 10, neuropodial supracicular heterogomph falciger. H. Chaetiger 10, neuropodial infracicular heterogomph falciger. I. Chaetiger 31, neuropodial subacicular heterogomph falciger. J. Chaetiger 61, neuropodial supracicular heterogomph falciger. K. Same, notopodial homogomph falciger.
Fig. 2 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 2. Nereis mezianei sp. nov., non-type juvenile (MNHN 372-45). A. Chaetiger 9, left parapodium, anterior view. B. Same, base of notopodial ligules. C. Same, base of ventral ligule. D. Chaetiger 25, left parapodium, posterior view. E. Same, dorsal ligule. F. Same, ventral ligule. G. Chaetiger 46, left parapodium, posterior view. H. Same, notopodial ligules. I. Same, ventral ligule.
Fig. 1. Nereis splendida Grube, 1840 in Revision of the species confused with "Nereis falsa" de Quatrefages, 1866 (Annelida, Nereididae)
Fig. 1. Nereis splendida Grube, 1840, non-type juvenile (MNHN 423-531), after methyl green staining. A. Chaetiger 9, right parapodium, anterior view. B. Chaetiger 25, right parapodium, anterior view. C. Chaetiger 46, right parapodium, anterior view.
Fig. 1. Study area and surrounding intertidal habitats. A in Two new species of Perinereis Kinberg, 1865 (Annelida: Nereididae) from the rocky shore of Maharashtra, India, including notes and an identification key to Group 1
Fig. 1. Study area and surrounding intertidal habitats. A. Coastal region of Maharashtra (western India) and collecting localities. B. Aerial view of the rocky intertidal habitat of the study area. C. Intertidal area with rocks covered with seaweed. D. Close-up view of the intertidal area with rocks covered with seaweed and oyster shells. E. Scraped-out seabed (oyster shells, algae, and sediment), burrows of polychaetes and other small invertebrates can be seen. F. Close-up view of burrowing nereidid dwelling among the seabed. Red arrows point to burrowing worms. Scale bars: B = 20 m; C = 1 m; D = 50 cm; E–F = 3 cm.
Fig. 3 in Two new species of Perinereis Kinberg, 1865 (Annelida: Nereididae) from the rocky shore of Maharashtra, India, including notes and an identification key to Group 1
Fig. 3. Perinereis misrai sp. nov. from Mumbai, Maharashtra, India. A–C, F–N. Holotype (MSUBZL-AN-PCh-06), atoke. D–E. Paratype (ZSI-WRC ANN/27), atoke. A. Whole body in dorsal view. B. Anterior end and everted proboscis in dorsal view. C. Everted proboscis in ventral view. D. Left jaw in ventral view, arrows pointing to inner canals. E. Paired oesophageal caeca (arrows) in dorsal view. F–J. Parapodia in anterior view; numbers refer to the chaetiger. K. Heterogomph spiniger from neuropodial subacicular fascicle (chaetiger 25). L. Heterogomph falciger from neuropodial subacicular fascicle (chaetiger 61). M. Heterogomph falciger from neuropodial supracicular fascicle (chaetiger 61). Scale bars: A = 9 mm; B = 0.45 mm; C–D, N = 0.5 mm; E = 0.35 mm; F, J = 0.15 mm; G–I = 0.22 mm; K = 18 μm; L–M = 10 μm.
Fig. 2 in Two new species of Perinereis Kinberg, 1865 (Annelida: Nereididae) from the rocky shore of Maharashtra, India, including notes and an identification key to Group 1
Fig. 2. Perinereis malabarensis sp. nov. from Mumbai, Maharashtra, India. A–E, H–O. Holotype (MSUB-ZL-AN-PCh-04), atoke. F–G. Paratype (ZSI-WRC ANN/26), atoke. A. Whole body in dorsal view. B. Anterior end and everted proboscis in dorsal view. C. Maxillary ring of proboscis in ventral view. D. Oral ring of proboscis in ventral view. E. Oral ring of proboscis in dorsal view. F. Left jaw in ventral view, arrow pointing to inner canals. G. Paired oesophageal caeca (arrows) in dorsal view. H–L. Parapodia in anterior view (except I and K, in posterior view), numbers refer to the chaetiger. M. Homogomph spiniger from notopodia (chaetiger 50). N. Heterogomph falciger from neuropodial supracicular fascicle (chaetiger 50). O. Heterogomph falciger from neuropodial subacicular fascicle (chaetiger 50). Scale bars: A = 6 mm; B = 0.7 mm; C–D, F = 0.5 mm; E = 0.4 mm; G = 0.8 mm; H = 0.22 mm; I–L = 0.23 mm; M = 12 μm; N–O = 16 μm.
Figure 4. A-B in Incipient speciation within the Namalycastis abiuma (Annelida: Nereididae) species group from southern India revealed by combined morphological and molecular data
Figure 4. A-B shows the two equally parsimonious trees recovered from the phylogenetic analysis based on the COI dataset (length: 153, CI: 0.896, RI: 0.935). Specimens pertaining to the N. abiuma species group are indicated in bold font, and morphotype (M1-M6) and haplotype (H1- H4) numbers, as referred to in text, are denoted. Bootstrap support values above 50% are shown at each node. Branch lengths are drawn proportional to change.
Figure 1 in Incipient speciation within the Namalycastis abiuma (Annelida: Nereididae) species group from southern India revealed by combined morphological and molecular data
Figure 1. Map of the collection localities for the specimens of the Namalycastis abiuma species group.
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