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1,346 results for “rare species”
FIGURE 1 in World's northenmost and rarely observed Nudibranchs: three new Onchidoridid species (Gastropoda: Doridida) from Russian seas
FIGURE 1. Map of the north-eastern part of the northern hemisphere showing localities of Adalaria rossica sp. nov. (square) near the North Pole, Adalaria ultima sp. nov. (circles) in the Sea of Japan and Okhotsk Sea, and Onchidoris expectata sp. nov. (triangles) at Kamchatka and Middle Kurile Matua island.
FIGURE 6 in World's northenmost and rarely observed Nudibranchs: three new Onchidoridid species (Gastropoda: Doridida) from Russian seas
FIGURE 6. Haplotype networks based on molecular data COI showing genetic changes occurring within Adalaria (A) and Onchidoris (B) species.
FIGURE 5 in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 5. Mitotic telocentric chromosomes of Synotaxus jaraguari n. sp. A, Spermatogonial metaphase 2n♂ = 22 + XY. B– C, Oogonial metaphases. B, 2n♀= 22 + XX. C. 2n♀ = 26. Scale bar, 5 µm.
FIGURE 4. Synotaxus jaraguari n in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 4. Synotaxus jaraguari n. sp. A. Male palp, ventral view. B, Ditto, retrolateral view. C, Epigynum, ventral view. D, Female internal genitalia, dorsal view. Abbreviations: AB, Anterior border of epigynum; AS, Accessory sac; MA, Median apophysis; PA, Patellar apophysis; PC, Paracymbium; PP, Patellar projection, TTA, Theridioid tegular apophysis; FD, Fertilization ducts; SP, Spermathecae. Scale bar, 0.5 mm.
FIGURE 7 in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 7. Scheme showing hypothetical origin of the karyotype 2n♂ = 22 + XY, found in Synotaxus jaraguari n. sp.
FIGURE 6 in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 6. Chromosomes of Synotaxus jaraguari n. sp., male. A–C, Giemsa stained. D, Silver nitrate impregnation. A–B, Diplotenes, with 11 autosomal bivalents + XY, showing the achiasmatic association between X and Y (A, photo and inset) and its early segregation (B). C, Metaphase II with n = 12. D, Spermatogonial metaphase, with 2n♂ = 24, highlighting the Nucleolar Organizer Regions (arrows). Scale bar, 5 µm.
FIGURE 3. Synotaxus jaraguari n in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 3. Synotaxus jaraguari n. sp., male palp. A, Theridioid tegular apophysis, lateral view. B–D, Paracymbium and patelar apophysis. B, Lateral view. C, Ventro-lateral view. D, Detail, ventral view. Abbreviations: C, Cymbium; PA, Patellar apophysis; PC, Paracymbium; PP, Patellar projection, TTA, Theridioid tegular apophysis.
FIGURE 2. Synotaxus jaraguari n in A new species of Synotaxus and the first chromosomal study on Synotaxidae, presenting a rare XY sex chromosome system in spiders (Araneae, Araneoidea)
FIGURE 2. Synotaxus jaraguari n. sp. A–D, Male. A, Carapace, frontal view. B, Lateral view. C, Horn, detail, frontal view. D, Lateral view. E–F, Palp. E, Ventral view. F, Theridioid tegular apophysis, detail. Abbreviations: E, embolus; TTA, Theridioid tegular apophysis.
FIGURES 162–163. Mexalictus albofasciatus Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 162–163. Mexalictus albofasciatus Dumesh, n. sp., 162. Female lateral habitus, 163. Female head. Scale bars = 1mm.
FIGURES 146–151. Mexalictus raavo Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 146–151. Mexalictus raavo Dumesh, n. sp., 146. Female lateral habitus, 147. Female head, 148. Male lateral habitus, 149. Male head, 150. Male genital capsule, dorsal view, 151. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 176–179 in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 176–179. Mexalictus polybioides Packer (1993), 176. Female lateral habitus, 177. Female head 178, Male lateral habitus, 179. Male head. Scale bars = 1mm.
FIGURES 132–137 in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 132–137. Mexalictus mexicanus Eickwort (1978), 132. Female lateral habitus, 133. Female head, 134. Male lateral habitus, 135. Male head, 136. Male genital capsule, dorsal view, 137. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 144–145. Mexalictus punctatus Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 144–145. Mexalictus punctatus Dumesh, n. sp., 144. Female lateral habitus, 145. Female head. Scale bars = 1mm.
FIGURES 122–125. Mexalictus laurencei Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 122–125. Mexalictus laurencei Dumesh, n. sp., 122. Male lateral habitus, 123. Male head, 124. Male genital capsule, dorsal view, 125. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 170–171 in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 170–171. Mexalictus eickworti Godinez-Garcia (1996), 170. Female lateral habitus, 171. Female head. Scale bars = 1mm.
FIGURES 120–121. Mexalictus hondurensis Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 120–121. Mexalictus hondurensis Dumesh, n. sp., 120. Female lateral habitus, 121. Female head. Scale bars = 1mm.
FIGURES 126–131. Mexalictus mandibularis Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 126–131. Mexalictus mandibularis Dumesh, n. sp., 126. Female lateral habitus, 127. Female head, 128. Male lateral habitus, 129. Male head, 130. Male genital capsule, dorsal view, 131. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 114–119. Mexalictus hansoni Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 114–119. Mexalictus hansoni Dumesh, n. sp., 114. Female lateral habitus, 115. Female head, 116. Male lateral habitus, 117. Male head, 118. Male genital capsule, dorsal view, 119. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 158–161. Mexalictus vitriolus Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 158–161. Mexalictus vitriolus Dumesh, n. sp., 158. Male lateral habitus, 159. Male head, 160. Male genital capsule, dorsal view, 161. Male genital capsule, ventral view. Scale bars = 1mm.
FIGURES 110–111. Mexalictus gibbsi Dumesh, n in <p><strong>Revision of the rare Mesoamerican bee genus <em>Mexalictus</em> (Hymenoptera: Halictidae) with the description of </strong><br /><strong>21 new species</strong></p>
FIGURES 110–111. Mexalictus gibbsi Dumesh, n. sp., 110. Female lateral habitus, 111. Female head. Scale bars = 1mm.
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.