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14 results for “Polyophthalmus”
FIGURE 14 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 14. Reports of Polyophthalmus pictus Dujardin, 1839 from the Indian Ocean and West Pacific Ocean.
FIGURE 12 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 12. Stereomicrographs of fixed specimens identified as Polyophthalmus pictus (Dujardin, 1839) from the coast of Spain. (A) midbody chaetigers, lateral view (three specimens, MNCN 16.01/9398; Almería, Mediterranean coast); (B–C) midbody region and posterior end, lateral view (same specimen, MNCN 16.01/19100; Galicia, Atlantic coast); (D–E) posterior end, lateral view (two specimens, MNCN 16.01/13213; Cantabria, Atlantic coast).
FIGURE 11 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 11. Polyophthalmus zhadanae sp. nov. Micro-CT images of a specimen from Abu Ali (paratype SMF30263). (A) 3D sagittal section; (B–E) 3D frontal sections of (A) at several levels. Abbreviations: adbv—antero-dorsal blood vessel/s; bc—body cavity; br—brain; brn—brain nerves; dbv—dorsal blood vessel; dlml—dorsal longitudinal muscle layer; norm—nuchal organ retractor muscle; nuo—nuchal organ; obm—oblique muscles; oes—oesophagus; ppabv—prostomial papilla blood vessel; pr— prostomium; prb—proboscis; prm—proboscis retractor muscle/s; prpr—proboscis posterior region; vlml—ventral longitudinal muscle layer.
FIGURE 10 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 10. Polyophthalmus zhadanae sp. nov. Micro-CT images of a specimen from sample P12977 (paratype MNCN 16.01/19119). (A) anterior end, 3D frontal view; (B–E) prostomium, 3D transverse sections; (F) anterior end, 3D transverse section. Abbreviations: adbv—antero-dorsal blood vessel/s; br—brain; dlml—dorsal longitudinal muscle layer; norm—nuchal organ retractor muscle; nuo—nuchal organ; obm—oblique muscles; oes—oesophagus; ppa—prostomial papilla; ppabr— prostomial papilla blood ring; ppabv—prostomial papilla blood vessel; prb—proboscis; sto—stomach; stobpl—stomach blood plexus; vlbv—ventral longitudinal blood vessel; vlml—ventral longitudinal muscle layer; vnc—ventral nerve cord.
FIGURE 8 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 8. Polyophthalmus zhadanae sp. nov. Micro-CT images of internal anatomy. (A) anterior end, 3D sagittal section (sample P13063; paratype MNCN 16.01/19115); (B) anterior end, 2D sagittal section (sample P12629; paratype MNCN 16.01/19102); (C) anterior end, 2D frontal section (sample P12629; paratype MNCN 16.01/19102). Abbreviations: adbv— antero-dorsal blood vessel/s; bc—body cavity; bcc—buccal cavity; bo—buccal opening; br—brain; nuo—nuchal organ; obm— oblique muscles; oes—oesophagus; po—proboscis opening; ppa—prostomial papilla; pr—prostomium; prb—proboscis; sep— septum; sto—stomach; vlml—ventral longitudinal muscle layer.
FIGURE 7 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 7. Polyophthalmus zhadanae sp. nov. SEM micrographs of posterior body end showing pygidium in different state of contraction. (A) pygidial tube not contracted (sample P12977; paratype MNCN 16.01/19117); (B) pygidial tube semicontracted (sample P13063; paratype MNCN 16.01/19114); (C) pygidial tube fully contracted (sample P12629; paratype MNCN 16.01/19100); (D) pygidial tube fully contracted (sample P12629; paratype MNCN 16.01/19100). (C) and (D) showing several pygidial papillae enlarged. Abbreviations: CH—chaetiger; pmp—paired marginal papillae.
FIGURE 4 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 4. Polyophthalmus zhadanae sp. nov. Stereomicroscope images of fixed specimens from Pole Reef, Saudi Arabia (paratype SMF30263). (A) anterior end, dorsal view (body chaetigers numbered); (B) midbody region, dorsal view; (C) posterior end, dorsal view. Abbreviations: abp—anterior chaetigers pigmentation pattern; mpp—midbody and posterior chaetigers pigmentation pattern.
FIGURE 5 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 5. Polyophthalmus zhadanae sp. nov. SEM micrographs of anterior end of several specimens. (A) sample P13063 (paratype MNCN16.01/19114); (B) prostomium, detail of specimen figured in (A); (C) sample P12629 (paratype MNCN 16.01/19100); (D) sample P12977 (paratype MNCN 16.01/19117); (E) sample P12977 (paratype MNCN 16.01/19117); (F) prostomium, detail of specimen figured in (E). Abbreviations: bo—buccal opening; CH—chaetiger; nuo—nuchal organ; po— proboscis opening; ppa—prostomial papilla; pr—prostomium; prb—proboscis.
FIGURE 3 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 3. Polyophthalmus zhadanae sp. nov. Stereomicroscope images of live specimens from Kuwait. (A) complete specimen, dorsal view (sample P13418; A. Zhadan leg.); (B) same specimen, anterior end, dorsal view (body chaetigers numbered); (C) complete specimen, dorsal view (no sample number; Al Nuwaiseeb; 05.11.2016); (D–E) same specimen, anterior end, dorsal and ventral view respectively (lateral eyes numbered in (E)). Abbreviations: abp—anterior chaetigers pigmentation pattern; lae—lateral eyes; mpp—midbody and posterior chaetigers pigmentation pattern; nuo—nuchal organ; po—proboscis opening; pr—prostomium; prb—proboscis.
FIGURE 1 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 1. (A) Opheliidae species reported in the Arabian Gulf including references; square showing area detailed in (B); (B) location of samples collected in the coast of Kuwait with presence of Polyophthalmus zhadanae sp. nov.; circles showing ranges of abundance; report of Polyophthalmus pictus (Dujardin, 1839) by Mohammad (1971) marked with red circle.
FIGURE 13 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 13. World map showing type localities of all Polyophthalmus species described. Black boxes: species considered in the identification key; Grey boxes: species considered as synonyms of P. pictus (Dujardin, 1839).
FIGURE 9 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 9. Polyophthalmus zhadanae sp. nov. Micro-CT images of anterior end of a specimen from sample P12977 (paratype MNCN 16.01/19119). (A) 2D sagittal section; (B) 3D sagittal section. Broken lines in (B) showing transverse sections as found in Fig. 10. Abbreviations: adbv—antero-dorsal blood vessel/s; bc—body cavity; br—brain; obm—oblique muscles; oes—oesophagus; ppa—prostomial papilla; ppabv—prostomial papilla blood vessel; po—proboscis opening; pr—prostomium; prb—proboscis; vnc—ventral nerve cord.
FIGURE 6 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 6. Polyophthalmus zhadanae sp. nov. SEM micrographs showing chaetiger parapodial features from several specimens. (A) CH1 (sample P13063; paratype MNCN 16.01/19114); (B) CH2 (sample P12977; paratype MNCN 16.01/19117); (C) CH3 (sample P12977; paratype MNCN 16.01/19117); (D) CH10 (sample P12629; paratype MNCN 16.01/19100); (E) parapodial ventral cirrus, detail of chaetiger figured in (D); (F) CH20 (sample P12629; paratype MNCN 16.01/19100); (G) CH28 (sample P12629; paratype MNCN 16.01/19100). Abbreviations: CH—chaetiger; ip—interramal papilla; lcc—long capillary chaetae; pdc—parapodia dorsal cirrus; pvc—parapodial ventral cirrus; scc—short capillary chaetae.
FIGURE 2 in A new species of Polyophthalmus (Annelida, Opheliidae) from the Arabian Gulf with an insight on internal anatomy and diversity of the genus
FIGURE 2. Polyophthalmus zhadanae sp. nov. Line drawings. (A) complete specimen, lateral view (sample P11072; holotype MNCN 16.01/19108); (B–C) prostomium, dorsal and ventral view respectively (sample P11298; paratype MNCN 16.01/19104); (D–E) posterior end, left and right views respectively (sample P11072; holotype MNCN 16.01/19108). Abbreviations: bo— buccal opening; lae—lateral eyes; lg—lateral groove; nuo—nuchal organ; pmp—paired marginal papillae; pr—prostomium; vg—ventral groove.
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