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117 results for “Batoidea”
Fig. 4 in Rhinobatos sainsburyi n.sp. and Aptychotrema timorensis n.sp. -Two New Shovelnose Rays (Batoidea: Rhinobatidae) from the Eastern Indian Ocean
Fig. 4. Radiograph of the chondrocranium of the holotype of Rhinobatos sainsburyi n.sp. (CSIRO H.4041-04).
Fig. 2 in Rhinobatos sainsburyi n.sp. and Aptychotrema timorensis n.sp. -Two New Shovelnose Rays (Batoidea: Rhinobatidae) from the Eastern Indian Ocean
Fig. 2. Radiograph of the chondrocranium of the holotype of Aptychotrema timorensis n.sp. (CSIRO CA1258).
Fig. 1. Dermopristis pterophilus n in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 1. Dermopristis pterophilus n. sp. attached to the skin adjacent to the base of left pectoral fin of juvenile green sawfish Pristis zijsron Bleeker, 1851 (photograph DLM, 2011).
Fig. 4. Dermopristis pterophilus n in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 4. Dermopristis pterophilus n. sp. various soft parts, ventral perspective. (A) Reproductive system (excluding testes). (B) Spermatophores. (C & D) Pharynx with papillae retracted vs extended. Abbreviations: dr, distal region of tubular male reproductive tract; gm, germarium; gt1–3, first through third major gut sub-trees; mf, muscle fibres; mp, male pore; o, o¨otype; p, digitiform papillae; pr, proximal region of tubular male reproductive tract; sr, seminal receptacle; sv, seminal vesicle; v, vagina; vd, vas deferens; vid, vitelline duct; vr, vitelline reservoir. Scale bars: (A) 250 μm; (B) 300 μm; (C & D) 100 μm.
Fig. 3. Dermopristis pterophilus n in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 3. Dermopristis pterophilus n. sp. holotype, ventral perspective. Abbreviations: b, bladder; bc, buccal cavity; dr, distal region of tubular male reproductive tract; g, gut; gm, germarium; h, haptor; m, mouth; mf, muscle fibres; mp, male pore; o, o¨otype; ph, pharynx; pr, proximal region of tubular male reproductive tract; sr, seminal receptacle; t, testis; vd, vas deferens; ve, vasa efferentia; vf, vitelline follicle; vr, vitelline reservoir. Scale bar: 500 μm.
Fig. 2. Dermopristis pterophilus n in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 2. Dermopristis pterophilus n. sp. holotype, ventral perspective. Abbreviations: dr, distal region of tubular male reproductive tract; gm, germarium; h, haptor; mf, muscle fibres; mp, male pore; ph, pharynx; pr, proximal region of tubular male reproductive tract; t, testis; vd, vas deferens; vf, vitelline follicles; vr, vitelline reservoir. Scale bar: 500 μm.
Fig. 6 in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 6. (A) Mean abundance with 95% CI's of Dermopristis pterophilus n. sp. recorded on or adjacent to one of six attachment sites on Pristis zijsron. (B) Green sawfish Pristis zijsron gross morphology with combined total number of D. pterophilus n. sp. infections and the percentage of hosts infected with at least one worm per attachment site, from 16 fish examined. *No infections were found on the head (anterior to host gills, including the rostrum).
Fig. 5. Dermopristis pterophilus n in A new microbothriid monogenean Dermopristis pterophilus n. sp. from the skin of the Critically Endangered green sawfish Pristis zijsron Bleeker, 1851 (Batoidea: Pristidae) in Western Australia
Fig. 5. Dermopristis pterophilus n. sp. detail of dendritic gut, ventral perspective. (A) Extensiveness and pattern of gut diverticula with position of the major gut subtrees extending from each side of the main lateral gut arms. (B) Fine details of minor gut diverticula dorsal to the coiled vas deferens. Abbreviations: g, gut; gt1–6, first through sixth major gut sub-trees; o, o¨otype; sr, seminal receptacle; u, uterus; v, vagina; vd, vas deferens. Scale bars: (A) 500 μm; (B) 100 μm.
Data from: The first skeletal record of the enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the Turonian of Morocco
A new fossil batoid (ray) Ptychotrygon rostrispatula sp. nov. is described from five exceptionally well-preserved, three-dimensional skeletal remains from the Turonian (Late Cretaceous) of Morocco. These specimens represent the first known skeletal remains for the genus Ptychotrygon and allow an almost complete description of the genus providing a new insight to its phylogenetic relations and validate its taxonomic status as a member of the Sclerorhynchoidei. Mechanical preparation of the fossil remains revealed a relatively large batoid species (estimated total length beyond 1 meter). Overall morphology resembles that of sclerorhynchoids with a robust hypertrophied rostrum that lacks enlarged rostral denticles with enlarged paddle-like pectoral proximal elements (propterygium, mesopterygium and metapterygium). Never seen before details of the branchial skeleton are presented (large second hypobranchial without anterior process which was probably fused to the basibranchial and no evidence of articulation with other branchial element). To assess the phylogenetic relations of these specimens within the sclerorhynchoids a parsimonious analysis using TNT and PAUP software packages was performed. These analyses included Asflapristis cristadentis that along with Ptychotrygon rostrispatula sp. nov. were used as representatives of Ptychotrygonidae and also includes six other genera of sclerorhynchoids with relatively good skeletal remains. Both analyses recovered two monophyletic groups within sclerorhynchoids: the first contains Ischyrhiza, Onchopristis and Schizorhiza and a second that includes Micropristis, Sclerorhynchus, Libanopristis and Ptychotrygonidae.
Fig. 1 in Rhinobatos sainsburyi n.sp. and Aptychotrema timorensis n.sp. -Two New Shovelnose Rays (Batoidea: Rhinobatidae) from the Eastern Indian Ocean
Fig. 1. Ventral view of the snout of the holotype of Aptychotrema timorensis n.sp. (CSIRO CA1258).
Data from: The first skeletal record of the enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the Turonian of Morocco
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FIGURE 16 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 16. Dorsal (A) and ventral (B) perspectives of a specimen of Breviraja spinosa (USNM 222437) proposed to have been collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 8 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 8. Dorsal (A) and ventral (B) perspectives of the holotype of Rajella fuliginea (USNM 163367) collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 3 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 3. Dorsal (A) and ventral (B) perspectives of the holotype of Dipturus bullisi (USNM 196442) collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 15 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 15. Mobula tarapacana captured by pelagic longline in the northern Gulf of Mexico. Photograph courtesy of NMFS SEFSC.
FIGURE 13 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 13. Dorsal (A) and ventral (B) perspectives of the holotype of Springeria folirostris (USNM 152546) collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 12 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 12. Dorsal (A) and ventral (B) perspectives of the holotype of Fenestraja sinusmexicanus (USNM 103376) collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 6 in An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea
FIGURE 6. Dorsal (A) and ventral (B) perspectives of the holotype of Dipturus oregoni (USNM 156710) collected from the northern Gulf of Mexico. Photographs by Sandra J. Raredon, USNM.
FIGURE 7 in Insights into the Urogymnid whiprays (Chondrichthyes: Batoidea) in the Persian Gulf and the Gulf of Oman, with an amendment of their diagnostic characteristics and dispersal range
FIGURE 7. Maculabatis gerrardi (MM1619, male, DW= 27.2 cm), off Bushehr in the Persian Gulf. scale=10 cm.
FIGURE 5 in Insights into the Urogymnid whiprays (Chondrichthyes: Batoidea) in the Persian Gulf and the Gulf of Oman, with an amendment of their diagnostic characteristics and dispersal range
FIGURE 5. Maculabatis randalli, MM21 (male, DW=37.7 cm), treated as GN6649 by Naylor et al. (2012). Note a fully banded tail.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.