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4,028 results for “Mammalia”
Figure 6 in A new species of Orycteropodidae (Mammalia, Tubulidentata) in the Mio-Pliocene of northern Chad
Figure 6. Comparative set of radio-ulna. A, Orycteropus afer (after Colbert, 1941); B, Orycteropus gaudryi (after Colbert, 1941); C, Orycteropus abundulafus sp. nov. *Blunt oblique rim. Note that A and B are scaled approximately relative to C. Scale bar = 5 cm.
Figure 5 in A new species of Orycteropodidae (Mammalia, Tubulidentata) in the Mio-Pliocene of northern Chad
Figure 5. Comparative set of humeri. A, B and C in dorsal view; D in ventral view. A, Orycteropus afer (after Colbert, 1941); B, Orycteropus gaudryi (after Colbert, 1941); C, D, Orycteropus abundulafus sp. nov. *No projection of the deltoid crest. Note that A and B are scaled approximately relative to C and D. Scale bar = 5 cm.
Figure 10. A in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 10. A new phylogeny for the Hippopotamidae. Geographical distribution: anot Eastern African, but from Abu Dhabi, the Arab United Emirates, the Arabic Peninsula (see Gentry, 1999); bknown in Eastern Africa but also in Oubeidiyeh, Israel (see Faure, 1986) and maybe in Algeria (Geraads, 1980); cknown in Africa but also in continental Europe (see Mazza, 1995).
Figure 9 in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 9. Mandibular anatomy within the Hippopotamidae. This figure shows the new taxonomic divisions of the family Hippopotamidae and, for each discussed taxon, some of the mandibular characters that provided additional support to the clades identified in the parsimony analysis (boxes in this figure). These features include: the general shape of the mandible, with expansion of the canine processes and relative length of the symphysis (seen in the dorsal outlines); the shape of the symphysis sagittal cross section; the length of the premolar row relative to the length of the molar row. The figure shows the following features for the taxa listed under each genus name: Saotherium, very inclined symphysis with thin cross-section and poorly developed canine processes; Archaeopotamus, relatively long and shallow symphysis with poorly developed canine processes and longer premolar rows than in any other clade; Hexaprotodon, wide symphysis but with poorly differentiated canine processes, very robust symphysis in cross section; Choeropsis, very short symphysis globular in cross section and poorly developed canine processes; Hippopotamus and aff. Hippopotamus, short symphysis globular in crosssection (lacking a projected incisor alveolar process) and strong extension of the canine processes – the latter feature being not salient in the Afar species (aff. Hip. coryndoni, aff. Hip. afarensis) and aff. Hip. cf. protamphibius from Kanapoi.
Figure 8 in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 8. An example of convergence in the Hippopotamidae: orbit elevation. From bottom to top, right lateral views of the neuro-crania: KNM-WT 19633, Hippopotamus gorgops from the Nachukui Formation, West Turkana, Kenya, housed at the NMK, Nairobi; 36824, Hexaprotodon palaeindicus from the Narbada beds, Central India, housed at the NHM, London; KNM-ER 798, holotype of Hex. karumensis, from the Koobi Fora Formation, East Turkana, Kenya, housed at the NMK, Nairobi. The elevated orbit is related to an aquatic way of life (Mazin & Buffrénil, 2001), indicating a preferential position at the air/water interface. These three species belong to three different lineages and evolved from forms with much lower orbits.
Figure 5. Dental character states. A in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 5. Dental character states. A, upper canine cross section (from left to right: in Anthracokeryx ulnifer, in Hippopotamus amphibius, in Hexaprotodon bruneti, in Hex. harvardi). B, outline of the P1/alveolus (bottom: in Hex. protamphibius, top: in Hex. sivalensis). C, occlusal view of the P3/ (left: in Hex. bruneti, right: in Hex. protamphibius). D, occlusal view of the P4/ (left: in Hex. harvardi, right: both in Hex. protamphibius). E, occlusal view of the P/4 (left: in Hex. mingoz, right: in Hex. aethiopicus).
Figure 4. Mandibular character states. A in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 4. Mandibular character states. A, dorsal view of Hexaprotodon aff. sahabiensis mandible. B, dorsal view of Hippopotamus amphibius mandible. C, dorsal view of Hex. karumensis mandible. D, sagittal cross section (at the I/1-I/1 diastema) of the symphysis (bottom: in Hex. sivalensis, top: in Hip. amphibius); E, three schematic anterior views of the symphysis (from left to right: in Hex. mingoz, in some Hex. protamphibius, in Hex. bruneti). F, three schematic lateral views of the vertical ramus (from bottom to top: in Hip. amphibius, in Hex. sivalensis, in Anthracokeryx ulnifer).
Figure 2. Cranial character states. A in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 2. Cranial character states. A, ventral view of a Hippopotamus amphibius skull. B, ventral view of a Hexaprotodon liberiensis skull. C, Schematic view of Hex. harvardi tympanic bulla area. D, Schematic view of A. ulnifer glenoid articular area. E, Three dorsal views of different bone contacts in the lachrymal area (from bottom to top: in Hex. harvardi, in Hex. protamphibius, in Hip. amphibius). A1 and A2 are Hex. liberiensis autapomorphies (see text).
Figure 11 in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 11. Comparison of mandibular symphysis measurements between the 'narrow muzzled' hippos and other hippopotamids (only adult specimens were included): bivariate plot of sagittal length of symphysis vs. width between lower canines (all adult specimens). Legend: ¥, Archaeopotamus lothagamensis from Lothagam, Kenya; +, A. aff. lothagamensis from Abu Dhabi, United Arab Emirates; Ł, A. harvardi from Lothagam, Kenya; Δ, A. aff. harvardi from Rawi, Kenya; K, UMP 6202, Hexaprotodon? cf. imagunculus from Kazinga Channel, Uganda; Ɨ, other fossil hippopotamids; Z Choeropsis liberiensis, extant; O, Hippopotamus amphibius, extant. Broken line: regression line for the genus Archaeopotamus; unbroken line: regression line for all the other individuals.
Figure 7 in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 7. Second of the three most parsimonious tree obtained from the cladistic analysis. The bold numbers indicate the nodes. The numbered boxes indicate the ACCTRAN character state changes (white boxes indicate reversions and convergences).
Figure 1 in The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis
Figure 1. Synthesis of recent phylogenies (Harrison, 1997; Weston, 2000) for the family Hippopotamidae. The genus Hexaprotodon is shown to be paraphyletic, and Hippopotamus being related to the derived species Hex. protamphibius. The important position of Hex. harvardi and the early divergence of the Hex. liberiensis lineage can be also noted.
Figure 10 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 10. Distribution of talpid horizontal ramus shape in the RW-1 versus RW-2 (A) and RW-2 versus RW-3 (B) shape planes and corresponding shape models (C and D). L values = percentage variance accounted for by each axis based on singular values. For symbol shading conventions see text.
Figure 9 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 9. Distribution of angular process outline shape among fully fossorial moles in the ES-1 versus ES-2 and ES-2 versus ES-3 for Talpini (A and B, respectively), Scalopini (C and D) and corresponding outline shape models (E and F). Least convex hulls show position within the shape space that each genus occupies. Arrow refers to position of specimen mentioned in the text.
Figure 7 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 7. Distribution of condylar process outline shape among fully fossorial moles in the ES-1 versus ES-2 and ES-2 versus ES-3 shape planes for Talpini (A and B, respectively), Scalopini (C and D) and corresponding outline shape models (E and F). Least convex hulls show position within the shape space that each genus occupies. Arrow refers to position of specimen mentioned in the text.
Figure 8 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 8. Distribution of talpid angular process outline shape in the ES-1 versus ES-2 (A) and ES-2 versus ES-3 (B) shape planes and corresponding outline shape models (C and D). L values = percentage variance accounted for by each axis based on singular values. For symbol shading conventions see text.
Figure 3 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 3. Landmark locations on a talpid dentary. Anatomical descriptions of landmarks are as follows (types correspond to classification of Bookstein, 1991). (1) Anterior-most point of the dentary where the bone meets the anterior edge of the first incisor (Type 1). (2) Maximum curvature on the ventral border between the angular process and the most ventral point on the horizontal ramus (Type 2). (3) Maximum curvature of the posterior boundary between the angular process and the condylar process (Type 2). (4) Maximum curvature of the dorso-posterior boundary between the coronoid process and condylar process (Type 2). (5) Point where posterior edge of the 3rd molar meets the dentary bone, at the base of the coronoid process (Type 1). (6) Point where anterior edge of the 1st molar meets the dentary bone (Type 1).
Figure 6 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 6. Distribution of talpid condylar process outline shape in the ES-1 versus ES-2 (A) and ES-2 versus ES-3 (B) shape planes and corresponding outline shape models (C and D). L values = percentage variance accounted for by each axis based on singular values. For symbol shading conventions see text.
Figure 12 in Shape variation in the mole dentary (Talpidae: Mammalia)
Figure 12. Distribution of horizontal ramus shape among fully fossorial moles in the RW-1 versus RW-2 and RW-2 versus RW-3 shape planes for Talpini (A and B, respectively), Scalopini (C and D) and corresponding shape models (E and F). Least convex hulls show position within the shape space that each genus occupies.
Figure 18. Trachytherus spegazzinianus from Lacayani. A, left M1, LAC 14. B in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 18. Trachytherus spegazzinianus from Lacayani. A, left M1, LAC 14. B, right (reversed) M2–3, MNHN-BOL-V 010725. C, right dentary with p3–4, m1 (or p4, m1–2), LAC 19. D, left maxillary with dP3–4, LAC 4. Scale bar = 1 cm.
Figure A3. M3 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A3. M3 mesio-distal (m-d) length and labiolingual (l-l) width during three different wear stages (lingual aperture, enclosed fossette, featureless), in mm.
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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)
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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.