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38 results for “Sipuncula”
Fig. 3. Aspidosiphonids. A–C in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 3. Aspidosiphonids. A–C. Aspidosiphon (Aspidosiphon) elegans (Chamisso & Eysenhardt, 1821 (UMAR-SIPU 151). A. Lateral overview of specimen with budding. B. Anterior bidentate hook. C. Posterior conical hook. D–F. Aspidosiphon (Paraspidosiphon) pastori Silva-Morales & GómezVásquez, 2021 (UMAR-SIPU 154). D. Lateral overview, introvert partially everted. E. Anterior bidentate hook. F. Posterior pyramidal hook. Bd = bud. Scale bars: A, D = 3 mm; B–C = 20 µm; E–F = 10 µm.
Fig. 11 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 11. Apionsoma (Edmondsius) hendrickxi sp. nov. (EMU-13437). A. Internal anatomy; asterisk indicates ripped part of rectum. B. Illustration of internal anatomy. Abbreviations: see Material and methods. Scale bar = 5 mm.
Fig. 12. Phascosolomatids. A, C in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 12. Phascosolomatids. A, C. Apionsoma (Edmondsius) pectinatum (Keferstein, 1867 (ECOSURS0281). A. Lateral overview, introvert partially contracted.C. Hook. B, D. Phascolosoma (P.) puntarenae Grube & Öersted in Grube, 1858 (UMAR-SIPU 138). B. Lateral overview, introvert contracted. D. Hook. Scale bars: A–B = 5 mm; C = 20 µm; D = 40 µm.
Fig. 15 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 15. Sipunculus (Sipunculus) bastidai sp. nov. (UMAR-SIPU 129). A. Lateral overview, introvert with tentacular crown. B. Close view of mid-trunk papillae. C. Internal anatomy. D. Tentacles; asterisk indicates mouth. E. Cerebral ganglia. Abbreviations: see Material and methods. Scale bars: A, C = 20 mm; B = 3 mm; D = 2 mm.
Fig. 8 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 8. Apionsoma (Apionsoma) silviae sp. nov. (EMU-13436). A. Lateral overview, introvert partially everted. B. Posterior part of introvert. C. Posterior part of trunk. Abbreviation: see Material and methods. Scale bars: A = 3 mm; B–C = 1 mm.
Fig. 2 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 2. Antillesoma mexicanum Silva-Morales, López-Aquino, Islas-Villanueva, Ruiz-Escobar & Bastida-Zavala, 2019 (UMAR-SIPU 136). A. Lateral overview, introvert everted. B. Internal anatomy; asterisk shows detached part of nephridum. Abbreviations: see Material and methods. Scale bars = 10 mm.
Fig. 6. Golfingids. A in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 6. Golfingids. A. Golfingia (Golfingia) cf. muricaudata (EMU-13446). B–E. Nephasoma (Nephasoma) wodjanizkii wodjanizkii (Murina, 1973) (UMAR-SIPU 133). B. Lateral overview. C. Lateral view of posterior introvert. D. Internal anatomy. E. Close-up of retractor muscle origins from body wall. F. Themiste (Themiste) cf. blanda (ECOSUR-S0256). G. T. (T.) hennahi Gray, 1828 (ECOSUR-S0255). H. T. (T.) pyroides Chamberlin, 1920 (UMAR-SIPU 130). Abbreviations: see Material and methods. Scale bars: A = 2 cm; B, H = 2 mm; C, E = 1 mm; D, F = 4 mm; G = 3 mm.
Fig. 1. Study area. 1 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 1. Study area. 1 = Western coast of Baja California; 2 = Bahía de Los Ángeles; 3 = San Miguel Cove; 4 = Guaymas Bay; 5 = Puerta de Palapares; 6 = Isabel Island; 7 = Faro de Bucerías; 8 = Caleta de Campos; 9 = Caimancito Beach; 10 = El Tesoro Beach; 11 = Balandra Beach; 12 = Las Caleras; 13 = Caleritas Beach; 14 = Cerritos Beach; 15 = Pinitos Beach; 16 = Crestón Island; 17 = Aticama; 18 = Chacala; 19 = Rincón de Guayabitos; 20 = Raza Point; 21 = Sayulita Beach; 22 = Punta Mita; 23 = Manzanilla Beach; 24 = Los Arcos Beach; 25 = San Patricio Melaque; 26 = Barra de Navidad; 27 = La Audiencia Beach.
Fig. 5 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 5. Aspidosiphon (Aspidosiphon) sp. (EMU-13432). A–B. Bidentate laterally compressed hook. C–D. Unidentate hook with pyramidal base and cylindrical tip. E–F. Roll-type hook. Scale bars: A, C, E = 10 µm.
Fig. 4 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 4. Aspidosiphon (Aspidosiphon) sp. (EMU-13432). A. Lateral overview, introvert incomplete. B. Internal anatomy. C. Anal shield, dorsal view. D. Anal shield, lateral view. E. Caudal shield. Abbreviations: see Material and methods. Scale bars: A–B = 3 mm; C–E = 0.5 mm.
Fig. 9 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 9. Apionsoma (Apionsoma) silviae sp. nov. (EMU-13436). A. Internal anatomy. B. Illustration of internal anatomy. Abbreviations: see Material and methods. Scale bar = 2 mm.
Fig. 7 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 7. Phascolion (Lesenka) salgadoi sp. nov. (EMU-13448). A. Trunk overview, introvert contracted. B. Internal anatomy. C. Shell containing Ph. (L.) salgadoi. D. Hardened U-shaped holdfast papilla. E. Bladder shaped holdfast papillae. F. Type I hook. Abbreviations: see Material and methods. Scale bars: A = 3 mm; B = 2 mm; C = 2 cm; D = 0.5 mm; E = 1 mm; F = 15 µm.
Fig. 10 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 10. Apionsoma (Edmondsius) hendrickxi sp. nov. (EMU-13437). A. Lateral overview, introvert contracted. B–C. Hook. Scale bars: A = 5 mm; B = 20 µm.
Fig. 14 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 14. Phascolosoma (Phascolosoma) perlucens Baird, 1868 (ECOSUR S0044). A. Lateral overview, introvert contracted. B. Close-up of introvert base and anal area. C. Tentacles; asterisk indicates position of mouth. D. Mid-posterior hook; asterisk indicates bubble inside clear streak. E. Illustration of hook. F. Internal anatomy. Abbreviations: see Material and methods. Scale bars: A, F = 4 mm; B = 2 mm; C = 0.7 mm; D = 20 µm.
Fig. 13 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific
Fig. 13. Phascolosoma (Phascolosoma) azteca sp. nov. (EMU-13443). A. Lateral overview, introvert contracted. B. Close-up of introvert base and anal area. C. Tentacles. D. Mid-posterior hook; asterisk indicates bubble inside clear streak. E. Illustration of hook. F. Internal anatomy. Abbreviations: see Material and methods. Scale bars: A, F = 2 mm; B–C = 0.5 mm; D–E = 20 µm.
Fig. 14 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific - Corrigendum
Fig. 14. Phascolosoma (Phascolosoma) perlucens Baird, 1868 (ECOSUR S0044). A. Lateral overview, introvert contracted. B. Close-up of introvert base and anal area. C. Tentacles; asterisk indicates position of mouth. D. Mid-posterior hook; asterisk indicates bubble inside clear streak. E. Illustration of hook. F. Internal anatomy. Abbreviations: see Material and methods in Gómez-Vásquez 2024. Scale bars: A, F = 4 mm; B = 2 mm; C = 0.7 mm; D = 20 µm.
Fig. 13 in New records and five new species of sipunculans (Sipuncula) from the central and northwestern Mexican Pacific - Corrigendum
Fig. 13. Phascolosoma (Phascolosoma) azteca Gómez-Vásquez, 2024 (EMU-13443). A. Lateral overview, introvert contracted. B. Close-up of introvert base and anal area. C. Tentacles. D. Mid posterior hook; asterisk indicates bubble inside clear streak. E. Illustration of hook. F. Internal anatomy. Abbreviations: see Material and methods in Gómez-Vásquez 2024. Scale bars: A, F = 2 mm; B–C = 0.5 mm; D–E = 20 µm.
Figure 7 in Checklist of Sipuncula from the coasts of Turkey
Figure 7. External morphology of species. A) Apionsoma (A.) murinae bilobatae, B) Aspidosiphon (A.) mexicanus, C) Aspidosiphon (A.) elegans, D) Aspidosiphon (A.) misakiensis, E) Aspidosiphon (A.) muelleri. Scale bars: A = 1 mm, B and C = 2 mm, D = 1 mm, E = 2 mm (A–E = Aegean Sea, original).
Figure 6 in Checklist of Sipuncula from the coasts of Turkey
Figure 6. External morphology of species. A) Phascolion (I.) tuberculosum, B) Phascolion (P.) strombus strombus, C) Onchnesoma steenstrupii steenstrupii, D) Phascolosoma (P.) agassizii agassizii, E) Phascolosoma (P.) stephensoni, F) Apionsoma (A.) misakianum. Scale bars: A = 1 mm, B = 0.5 mm, C = 0.5 mm, D and E = 1 mm, F = 0.5 mm (A–E = Aegean Sea, original; F = from Açik, 2011).
Figure 5 in Checklist of Sipuncula from the coasts of Turkey
Figure 5. External morphology of species. A) Sipunculus (S.) nudus, B) Golfingia (G.) elongata, C) Golfingia (G.) vulgaris vulgaris, D) Nephasoma (N.) abyssorum abyssorum, E) Nephasoma (N.) constrictum, F) Nephasoma (N.) diaphanes diaphanes, G) Nephasoma (N.) eremita, H) Nephasoma (N.) rimicola, I) Thysanocardia procera. Scale bars: A = 4 mm, B = 1 mm, C and D = 1 mm, E = 0.3 mm, F = 0.4 mm, G = 2 mm, H = 1 mm, I = 2 mm (A–C, I = Aegean Sea, original; D–H= from Açik, 2011).
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