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549 results for “Cetacea”
FIG. 50 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 50. — Lateral view of the right pelvic bones of some extant mysticetes. A, Balaenoptera musculus; B, Balaenoptera musculus; C, Megaptera novaeangliae; D, E, Balaena mysticetus. The iliac, pubic and ischial portions are, respectively, in blue, yellow and green. Modified from Struthers (1893).
FIG. 49 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 49. — Lateral view of innominate of some extinct cetaceans. A, Georgiacetus vogtlensis (GSM 350); B, Basilosaurus isis (CGM 42176, cast); C, Basilosaurus cetoides (USNM 12261); D, Chrysocetus healyorum (SCSM 87-195, cast, right innominate, reversed); E, Mystacodon selenensis (MUSM 1917). Not to scale.
FIG. 48 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 48. — Mystacodon selenensis (MUSM 1917, holotype). Left innominate: A, lateral view; B, dorsal view; C, medial view; D, ventral view. Scale bar: 5 cm.
FIG. 39 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 39. — Ribs transverse sections of Mystacodon, basilosaurids, and chaeomysticetes. A, Mystacodon selenensis (MUSM 1917, holotype): section of an anterior-median (right?) rib of the thoracic cage in the median region of the diaphysis; B, Dorudon atrox (UM 101222): section of a left R4 at mid-diaphysis (reversed); C, Basilosaurus isis (WH 074): section of a left R4 at mid-diaphysis. B and C are reproduced from Houssaye et al. (2015). D, Piscobalaena nana (MNHN.F. SAS1618). E, Balaenoptera acutorostrata (IRSNB uncatalogued). Abbreviations: ant, anterior; med, medial. Scale bar: 1 cm.
FIG. 42 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 42. — Mystacodon selenensis (MUSM 1917, holotype). Right humerus: A, lateral view; B, medial view; C, anterior view; D, posterior view. Scale bar: 5 cm.
FIG. 6 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 6. — Lateral view of the skull of Mystacodon selenensis (MUSM 1917, holotype). Oblique lines and grey-shaded regions indicate respectively broken and reconstructed parts. Scale bar: 20 cm.
FIG. 1 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 1. — Views of the extraction of the postcranial skeleton of Mystacodon selenensis (MUSM 1917 holotype) at Playa Media Luna (Ica Department, Peru).
FIG. 27 in Mystacodon selenensis, the earliest known toothed mysticete (Cetacea, Mammalia) from the late Eocene of Peru: anatomy, phylogeny, and feeding adaptations
FIG. 27. — Mystacodon selenensis (MUSM 1917, holotype). A-C, right i2 or i3 (tooth I); D-F, left i3 or c (tooth II); G-I, right?p1 (tooth III); A, labial view; B, lingual view; C, occlusal view; D, labial view; E, lingual view; F, occlusal view; G, labial view, H, lingual view; I, occlusal view. Scale bar: 3 cm.
FIG. 21 in The anatomy and phylogenetic affinities of Cynthiacetus peruvianus, a large Dorudon-like basilosaurid (Cetacea, Mammalia) from the late Eocene of Peru
FIG. 21. — Ventral view of the right periotic of MNHN.F.PRU10, holotype of Cynthiacetus peruvianus. Abbreviations: aes, ventral edge of the anteroexternal sulcus; apd, anterior pedicle for the tympanic; app, anterior process of the periotic; fc, cochlear window; fo, foramen pseudovale; fpb, falcate process of the basioccipital; fps, falciform process of the squamosal; fs, facial sulcus; fv, vestibular window; gtt, groove for the tensor tempani; inc, incudal fossa; jn, jugular notch; Ma, malleus; mce, medial crest of the exoccipital; men, groove for the meningeal arteries; mf, mallear fossa; nc, nuchal crest; plc, posterolateral crest; ppd, posterior inner pedicle of the tympanic; ppe, paroccipital process of the exoccipital; ppp, posterior process of the periotic; ppt, posterior process of the tympanic bulla; pr, promontorium; V3, path of the mandibular nerve; VII, foramen for the facia nerve; vlt, ventrolateral tuberosity. Dark grey-shaded regions and hatched regions represent the sediment and broken portions of bone, respectively. Not to scale.
FIGURE 10 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 10. FIAM in Balaenoptera borealis, ZMB_MAM 77323, from deep inside (A) to 'surface' (C). For innervation, see remarks of Figure 7.
FIGURE 7 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 7. Fundus of the internal acoustic meatus (FIAM). (A) Schematic diagram after Gaillard (2022) showing the accurate positions of crista transversa (synonymous with crista falciformis) and crista verticalis (synonymous with Bill's bar), (B) FIAM of Tursiops truncatus, ZMB_MAM 27159, showing pathways of CN VII and CN VIII, with labels colour code related to A, (C) FIAM of Tursiops truncatus, ZMB_MAM 27159, marked by blue ellipse. Remarks: opening of CN VII = passage for Nervus facialis; CN VIIIc = passage for Nervus cochlearis, CN VIIIvs = passage for superior division of vestibular nerve (Nervus utriculoampullaris), CN VIIIvi = passage for inferior division of vestibular nerve (Nervus sacculoampullaris), Ni = passage for Nervus intermedius.
FIGURE 6 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 6. Right periotic bone of the referred specimen (MB.Ma. 51621) of Balaenomorpha 'type Bocholt B' in (A) ventral, (B) dorsal, (C) anterior, (D) posterior, and (E) dorsomedial view.
FIGURE 4 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 4. Right periotic bone of Balaenomorpha 'type Bocholt A' (MB.Ma. 51619) in (A) ventral, (B) dorsal, (C) medial, (D) lateral, and (E) posterior view.
FIGURE 1 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 1. Map of Northwest Germany with the place of discovery (Bocholt) in North Rhine Westfalia State near the Dutch border.
FIGURE 2 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 2. Extract of the Cenozoic stratigraphy of the Lower Rhine area (modified from Hiss, 2013). The mysticete periotics were found in deposits of the Biemenhorst subformation (red font).
FIGURE 3 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 3. Schematic drawings of a generalised mysticete periotic bone showing the measurements taken from the Bocholt fossils (see: Description).
FIGURE 5 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 5. Left periotic bone of Balaenomorpha 'type Bocholt B' (MB.Ma. 51618) in (A) ventral, (B) dorsal, (C) medial, (D) lateral, (E) anterior, and (F) posterior view.
FIGURE 9 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 9. FIAM in Parietobalaena palmeri, USNM 13874, from deep inside (A) to 'surface' (C). For innervation, see remarks of Figure 7.
FIGURE 8 in Two exceptional Balaenomorpha (Cetacea: Mysticeti) from the Biemenhorst Subformation (middle/late Miocene) of Bocholt (W Münsterland, Germany) with a critical appraisal on the anatomy of the periotic bone
FIGURE 8. FIAM in Eomysticetus whitmorei, ChM PV4253, from deep inside (A) to 'surface' (C). For innervation, see remarks of Figure 7.
FIG. 9 in Neogene and Quaternary fossil remains of beaked whales (Cetacea, Odontoceti, Ziphiidae) from deep-sea deposits off Crozet and Kerguelen islands, Southern Ocean
FIG. 9. — Skull of the extant strap-toothed whale Mesoplodon layardii (unnumbered SAM specimen) showing the relationship between the large mandibular tusks, the depression in the dorsal surface of the rostrum, and the transverse constriction of the dorsal opening of the mesorostral groove. Note that except for the tusks the mandibles are made of plaster, and that the tusks are positioned slightly too posterior along the rostrum as compared to their in vivo position. Photos by G. Bianucci.
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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)
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.