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FIGURE 5 in Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae)
FIGURE 5 | Anal fin of Tatia akroa. UFOPA-I 671, male, 38.8 mm SL, holotype. Abbreviations: br1, branched ray one; br7, branched ray seven; dd, deferent duct; ui, unbranched first ray; uii, unbranched second ray; uiii, unbranched third ray. Scale bar = 1 mm.
FIGURE 1 in Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae)
FIGURE 1 | Tatia akroa, lateral, dorsal and ventral views. UFOPA-I 671, holotype, male, 38.8 mm SL, rio Perdida, tributary of rio Sono, rio Tocantins basin, Tocantins State, Brazil.
FIGURE 3 in Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae)
FIGURE 3 | Left suspensorium, lateral view, of Tatia akroa, UFOPA-I 670, 34.3 mm SL. Abbreviations: hy, hyomandibula; io, interopercle; mt, metapterygoid; op, opercle; po, preopercle; qu, quadrate; sp, suprapreopercle.
FIGURE 2 in Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae)
FIGURE 2 | Neurocranium of Tatia akroa, UFOPA-I 670, 34.3 mm SL. Dorsal view. Abbreviations: ep, epioccipital; fo, cranial fontanel; fr, frontal; le, lateral ethmoid; me, mesethmoid; na, nasal; n2, second nuchal plate; n3, third nuchal plate; pe, pterotic; ps, posttemporalsupracleitrum; pt, pterotic; so, supraoccipital; sp, sphenotic. Scale bar = 3 mm.
Fig. 12 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 12. Apostolepis dimidiata (Jan, 1862), putative sister-species of Apostolepis albicollaris Lema, 2002, adult specimen from Estação Ecológica Santa Bárbara, São Paulo, Brazil. Photograph credit: Giordano Rossi.
Fig. 11 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 11. Lateral (A, E), medial (B, F), dorsal (C, G), and ventral (D, H) views of the lower jaw based on μCT imagery. A–D. Apostolepis albicollaris Lema, 2002, holotype (MCP 8355). E–H. A. cerradoensis Lema, 2003, holotype (MCP 15219). Different skull elements are digitally colored to improve visualization. Abbreviations: AN = angular; CP = compound bone; D = dentary; DPD = dorsal process of dentary; PCR = prearticular crest of compound bone; RP = retroarticular process of compound bone; SAC = surangular crest of compound bone; SP = splenial; VDP = ventral process of dentary.
Fig. 10 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 10. Anterior (A, C) and posterior (B, D) views of the skull and lower jaw based on μCT imagery. A–B. Apostolepis albicollaris Lema, 2002, holotype (MCP 8355). C–D. A. cerradoensis Lema, 2003, holotype (MCP 15219). Different skull elements are digitally colored to improve visualization. Abbreviations: AN = angular; BO = basioccipital; BS = basisphenoid; CP = compound bone; D = dentary; EXO = exoccipital; F = frontal; MX = maxilla; NA = nasal; P = parietal; PAL = palatine; PFR = prefrontal; PMX = premaxilla; PRO = prootic; PT = pterygoid; Q = quadrate; SMX = septomaxilla; SO = supraoccipital; SP = splenial; ST = supratemporal.
Fig. 9 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 9. Dorsal (A, D), lateral (B, E), and ventral (C, F) views of the skull based on μCT imagery. A–C. Apostolepis albicollaris Lema, 2002, holotype (MCP 8355). D–F. A. cerradoensis Lema, 2003, holotype (MCP 15219). Different skull elements are digitally colored and the mandible is removed for better visualization. Abbreviations: BO = basioccipital; BS = basisphenoid; ECP = ectopterygoid; EXO = exoccipital; F = frontal; MX = maxilla; NA = nasal; P = parietal; PAL = palatine; PFR = prefrontal; PMX = premaxilla; PRO = prootic; PT = pterygoid; Q = quadrate; SMX = septomaxilla; SO = supraoccipital; ST = supratemporal; V = vomer.
Fig. 8 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 8. Consensus topology of Apostolepis Cope, 1862 BI and ML phylogenetic relationships, support given in Bootstrap (top,> 80) for maximum likelihood inference and Consensus Support (bottom,> 80) for Bayesian inference. Scale bar = molecular distance. Inset photograph: Apostolepis albicollaris Lema, 2002 by Luís Felipe Carvalho de Lima.
Fig. 6. Apostolepis albicollaris Lema, 2002 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 6. Apostolepis albicollaris Lema, 2002, sexual dimorphism in morphometric (SVL, TL) and meristic (ventrals, subcaudals) characters. Outliers are indicated as circles, A. cerradoensis Lema, 2003 holotype indicated as red star.
Fig. 7 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 7. Geographic distribution of Apostolepis albicollaris Lema, 2002 in the Cerrado of Central Brazil. A. Total range, with minimum convex polygon representing extent of occurrence. B. Natural habitat remnants and land use and land cover changes (collection 4, MapBiomas 2021) within the range of A. albicollaris. C. Fire frequency between 2005 and 2015 (collection 1, MapBiomas 2021) within the range of A. albicollaris. D. Protected areas (ICMBio 2021) within the range of A. albicollaris.
Fig. 5. Apostolepis albicollaris Lema, 2002 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 5. Apostolepis albicollaris Lema, 2002, hemipenis. Sulcate and asulcate sides. Drawings: Arthur Tiutenko.
Fig. 4 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 4. Similar red species of Apostolepis Cope, 1862. A–F. Apostolepis albicollaris Lema, 2002 in life, adult individuals from Brasília, Distrito Federal, Brazil. G–H. Apostolepis dimidiata (Jan, 1862) in life, adult individual from Laguna Blanca, San Pedro, Paraguay. I–J. Apostolepis quirogai Giraudo & Scrocchi, 1998 in life, adult individual from Misiones, Argentina. Photograph credits: Cyro de Sousa Bernardes (A, C–D), Luís Felipe Carvalho de Lima (E–F), Jean-Paul Brouard (G–H), Amado Martínez (I–J), and Gabriel Horta (B).
Fig. 3. Apostolepis albicollaris Lema, 2002 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 3. Apostolepis albicollaris Lema, 2002, holotype (MCP 15219) from Minaçu, Goiás, Brazil. Head scalation. Drawings: Arthur Tiutenko.
Fig. 1 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 1. Degrees of morphological variation in dorsal and ventral view, of Apostolepis Cope, 1862 from the Cerrado. A. Apostolepis albicollaris Lema, 2002, holotype from Brasília, Distrito Federal, Brazil (MCP 8355). B. Apostolepis albicollaris, specimen from Ipameri, Goiás, Brazil (IBSP 092627). C. Apostolepis cerradoensis Lema, 2003, holotype from Minaçu, Goiás, Brazil (MCP 15219). Notice the varying degrees of ventral melanism polymorphism, ranging from uniformly black, to black and cream, and uniformly cream. Photograph credits: Douglas Sebben (A, C), Rafael P. Benetti (B). Scale bars = 10 mm.
Fig. 2. Apostolepis albicollarisLema, 2002 in Unveiling an enigma from the Cerrado: taxonomic revision of two sympatric species of Apostolepis Cope, 1862 (Dipsadidae: Xenodontinae: Elapomorphini) from central Brazil
Fig. 2. Apostolepis albicollarisLema, 2002, coloration in life and polymorphism. Holotype of A. albicollaris from Brasília, Distrito Federal, Brazil (MCP 8355) (top). Holotype of Apostolepis cerradoensis Lema, 2003 from Minaçu, Goiás, Brazil (MCP 15219) (bottom). Drawings: Arthur Tiutenko.
FIGURE 1 in Ruellia eriocalyx (Acanthaceae, Ruellieae), a Pyrophytic Species from Central Brazil
FIGURE 1. Plants of Ruellia eriocalyx from herbarium specimens. A. Nearly leafless flowering plant (post-fire), showing woody caudex, thick (but not tuberous) roots, and elongate pedicels, Irwin et al. 8164 (NY), image courtesy of the C.V. Starr Virtual Herbarium (http://sweetgum.nybg.org/science/vh/), used with permission. B, C. Leafy plants (32 days following fire), showing pubescence, flowers, and capsule (at arrow), Fonseca & Alvarenga 2054, Catalog number 3398390, United States National Herbarium (US), Smithsonian Institution, used with permission.
Fig. 7 in Cryptic species of the genus Pimelodella (Siluriformes: Heptapteridae) from the Miranda River, Paraguay River basin, Pantanal of Mato Grosso do Sul, Central Brazil
Fig. 7. Relationship between the standard length and the length of the upper lobe of the caudal fin in Pimelodella 2n = 46 (dark diamonds, N = 13) and 2n = 52 (light squares, N = 15).
Fig. 3 in Cryptic species of the genus Pimelodella (Siluriformes: Heptapteridae) from the Miranda River, Paraguay River basin, Pantanal of Mato Grosso do Sul, Central Brazil
Fig. 3. Dendrogram of genetic similarity among the species of Pimelodella from the Miranda River based on the Jaccard coefficient and on UPGMA clustering method, showing the formation of two clusters.
Fig. 6. a in Cryptic species of the genus Pimelodella (Siluriformes: Heptapteridae) from the Miranda River, Paraguay River basin, Pantanal of Mato Grosso do Sul, Central Brazil
Fig. 6. a to c) Pimelodella 2n = 52, from the Miranda River basin, Passo do Lontra, MS: a) dorsal filament and upper lobe of caudal fin elongated (male, 123.6 mm SL), b) dorsal fin filament slightly elongated and upper lobe of caudal fin elongated (male, 106.8 mm SL), c) filament on dorsal fin absent and upper lobe of caudal fin not elongated (male, 117.6 mm SL). d to f) Pimelodella 2n = 46 from the Miranda River basin, Passo do Lontra, MS: d) filament on dorsal fin elongated and upper lobe of caudal fin slightly elongated (male, 82.7 mm SL), e) Filament on the dorsal fin slightly elongated and upper lobe of caudal fin not elongated (female, 93.2 mm SL), f) Filament on the dorsal fin absent and upper lobe of caudal fin elongated (female, 85.1 mm SL).
ScienceDex guides
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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.