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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. 1. — Polymeridium stromatocorticatum B in New records of Polymeridium (Müll.Arg.) R.C.Harris from Brazil with description of a new species from the Caatinga, and a checklist of the Brazilian species
FIG. 1. — Polymeridium stromatocorticatum B.Barbosa, Aptroot, L.A.Santos & M.Cáceres, sp. nov.: A, B, ascospores and habitus of holotype. Scale bars: 2 µm.
Figs 67–70 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 67–70. Dasysyrphus neovenustus (64, 65) and D. venustus (66, 67): 67, 69 — female abdomen, ventral view; 68, 70 — male left hind leg, lateral view.
Figs 49–52 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 49–52. Platycheirus sticticus (49, 50) and P. albimanus (51, 52) females: 49, 51 — habitus, dorsal view; 50, 52 — habitus, lateral view.
Figs 53–58 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 53–58. Platycheirus sticticus (53–55) and P. albimanus (56–58) females: 53, 56 — head, anterodorsal view; 54, 57 — head, frontal view; 55, 58 — head, anterolateral view.
Figs 5–10 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 5–10. Cheilosia himantopus (5–7) and C. canicularis (8–10) females: 5, 8 — head, dorsal view; 6, 9 — head, frontal view; 7, 10 — right antenna, lateral view.
Figs 17–22 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 17–22. Orthonevra incisa (17–19) and O. brevicornis (20–22): 17, 20 — male head, frontal view; 18, 21 — male abdomen, terminal part, ventral view; 19, 22 — female abdomen, terminal part, dorsoposterior view.
Figs 35–40 in New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. Vi
Figs 35–40. Trichopsomyia joratensis male: 35 — habitus, dorsal view; 36 — habitus, lateral view; 37 — head, anterolateral view; 38 — head, anterodorsal view; 39 — head, frontal view; 40 — left hind leg, dorsal view.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.