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323 results for “Paleontology”
Data from: Beyond the print - virtual paleontology in science publishing, outreach and education
Virtual paleontology unites a variety of computational techniques and methods for the visualization and analysis of fossils. Due to their great potential and increasing availability, these methods have become immensely popular in the last decade. However, communicating the wealth of digital information and results produced by the various techniques is still exacerbated by traditional methods of publication. Transferring and processing three-dimensional information, such as interactive models or animations, into scientific publications still poses a challenge. Here, we present different methods and applications to communicate digital data in academia, outreach and education. Three-dimensional PDFs, QR codes, anaglyph stereo imaging, and rapid prototyping—methods routinely used in the engineering, entertainment, or medical industries—are outlined and evaluated for their potential in science publishing and public engagement. Although limitations remain, these are simple, mostly cost-effective, and powerful tools to create novel and innovative resources for education, public engagement, or outreach.
Data from: On the measurement of occupancy in ecology and paleontology
Occupancy statistics in ecology and paleontology are biased upward by the fact that we generally do not have solid data on species that exist but are not found. The magnitude of this bias increases as the average occupancy probability decreases and as the number of sites sampled decreases. A maximum-likelihood method is developed to estimate the underlying distribution of occupancy probabilities of all species based only on the sample of observed species with nonzero occupancy. The method is based on determining the probability that the number of occupied sites will take on any specific value for a given occupancy probability, integrated over the entire distribution of occupancy probabilities. If the shape of the underlying distribution is well modeled, the resulting occupancy estimates circumvent the bias inherent in failing to observe some species and the fact that this bias depends on the number of sites. For occupancy data on marine animal genera drawn from the Paleobiology Database, the underlying distribution is reasonably approximated as a right-truncated log-normal, but the methods developed can be extended to any distribution. Examples are presented to illustrate some observations that are robust and others that need to be revised in light of this bias correction. The method is compared to a recently developed, distribution-free approach to the same problem.
Figure 99 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 99 Fragment, coated in ammonium chloride, of the mandibular symphysis of Xericeps curvirostris, Martill et al. 2018, FSAC-KK 10700 in (A) left lateral, (B), occlusal, (C), right lateral and (D), ventral views. Reproduced from Martill et al. 2018. Abbreviations: os occlusal surface aos accessory occlusal surface l fo lateral foramina vs ventral sulcus. Scale bar equals 50 mm.
Figure 91 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 91 Mandibular symphysis of the crocodyliform Elosuchus cherifiensis. Right anterior dentary (FSAC-KK 753) in (A) dorsal, (B) ventral, (C) right lateral, (D) medial and (E) anterior view. Reconstructed symphysis of Elosuchus cherifiensis using reflected image of FSAC-KK 753 in (F) dorsal and (G) ventral view. Scale bar equals 5 cm in A-D, F and G, and 2 cm in E. Abbreviations: d6, 12 dentary tooth 6, 12 sp splenial.
Figure 92 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 92 Isolated pholidosaurid crocodyliform teeth. A NMC 41791 (see Fig. 88E) B-DBSPG 1993 IX 334 EMNHN-MRS 765 FMNHN-MRS 766 GMNHN-MRS 767. Scale bar equals 3 cm.
Figure 95 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 95 Ornithocheirid pterosaur jaw fragments from the Kem Kem Group. Premaxillae of Siroccopteryx moroccensis in (A) left lateral and (B) ventral views (from Mader and Kellner 1999). Dentary ramus of an indeterminate ornithocheirid (FSAC-KK 33) in (C) ?left lateral and (D) ?dorsal view. Scale bars equal 3 cm. Abbreviations: ad alveolus for dentary tooth iap interalveolar pit pm2 premaxillary tooth 2.
Figure 9 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 9 Landsat image of southeastern Morocco showing key localities, villages and cities, modified from Ibrahim et al. 2010. Scale bar equals 25 km. Abbreviations: 1 Tiknioune Bou Tazoult (just east of Zguilma), 2 Talidat, 3 Jbel Sdila, 4 Iferda Timenkhirt, 5 Gara Sbaa, 6 Oum Tkout, 7 Boumerade, 8 Moher, 9 locality just south of Zireg, 10 Daoura, 11 locality of the neotype of Carcharodontosaurus saharicus (Sereno et al. 1996), 12 Iferda N'Ahouar west, 13 Iferda N'Ahouar east, 14 Aferdou N'Chaft, 15 Hmar Lakhdad, 16 Douira Tagemout.
Figure 94 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 94 Ornithocheirid pterosaur teeth from the Kem Kem Group. AFSAC-KK 885 BFSAC-KK 44 CFSAC-KK 886 D, EFSAC-KK 197 in labial and lingual views FFSAC-KK 887 GFSAC-KK 941 H Teeth of 'morphotype 1' of Wellnhofer and Buffetaut (1999) (BSPG 1993 IX 590-596) I Teeth of 'morphotype 2' of Wellnhofer and Buffetaut (1999) (BSPG 1993 IX 597-607) J Teeth of 'morphotype 3' of Wellnhofer and Buffetaut (1999) (BSPG 1993 IX 608-617) K Tooth of 'morphotype 4' of Wellnhofer and Buffetaut (1999) (BSPG 1993 IX 618). Scale bar equals 3 cm.
Figure 87 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 87 Rostral fragments referred to cf. Elosuchus. Rostral fragment (FSAC-KK 10) in (A) dorsal, (B) ventral, (C) right lateral and (D) anterior view. Rostral fragment (NMC 41866) in (E) dorsal and (F) ventral view. Maxillary piece (MNHN-MRS 3111) in (G) dorsal and (H) ventral view. Scale bar equals 10 cm.
Figure 86 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 86 Cranial remains of the crocodyliform Elosuchus. A, CE. cherifiensis cranium (MNHN SAM 129) in dorsal and ventral views BE. cherifiensis (MNHN SAM 129) with posterior skull roof (NMC 41912) and anterior snout section (FSAC-KK 10) superimposed, DE. cherifiensis premaxilla (MNHN SAM 129), drawing in ventral view EE. cherifiensis premaxilla FSAC-KK 10 FE. cherifiensis occipital piece (MNHN-MRS 340-25) GE. cherifiensis lower jaw reconstructed from several specimens (MNHN-E 43, SAM 138, SAM 137-157; redrawn from Lapparent de Broin 2002) HE. cherifiensis anterior dentary symphysis (MNHN E 43) in dorsal view I Partial dentary symphysis (MNHN-INA 25). Abbreviations: bo basioccipital, d dentary, ex, exoccipital j jugal m maxilla pm premaxilla pt pterygoid sym symphysis. Scale bars equal 10 cm in A-C and E-G, 20 cm in H.
Figure 89 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 89 Fragmentary bones tentatively referred to the crocodyliform Elosuchus. Left premaxilla (FSAC-KK 923) in (A) lateral, (B) medial, (C) anterior, (D) dorsal and (E) ventral view. ?Lacrimal (BSPG 2008 I 60) in (F) lateral and (G) medial view. Basioccipital and basisphenoid (FSAC-KK 926) in (H) ventral and (I) posterior view. Left dentary fragment (UCRC PV168) in (J) dorsal view. K Left dentary fragment with five teeth (NMC 41785) in lateral view. Scale bar equals 5 cm. Abbreviations: bo basioccipital pm4 premaxillary tooth 4.
Figure 84 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 84 Dentary fragment with tooth referred to Laganosuchus maghrebensis (NMC 41786) in (A) lateral, (B) medial and (C) dorsal view. Scale bar equals 2 cm. Abbreviation: d dentary.
Figure 83 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 83 Specimens of Laganosuchus from the Echkar Formation in Niger and the Kem Kem Group in Morocco. Cast of lower jaws (UCRC PVC9) of the holotypic specimen of L. thaumastos (MNN IGU13) in (A) dorsal and (B) left lateral view. Holotypic specimen of L. maghrebensis (UCRC PV2) from the Kem Kem Group in (C) left lateral, (D) dorsal and (E) ventral view. BSPG 2008 I 62 in (F) left lateral, (G) dorsal (occlusal) and (H) ventral view. Partial dentary of L. maghrebensis (NMC 50838) in (I) lateral, (J) dorsal (occlusal) and (K) ventral view. Scale bars equal 20 cm in A and B, 6 cm in C–K.
Figure 85 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 85 Holotypic specimen of Aegyptosuchus peyeri Stromer, 1933 from the Bahariya Formation of Egypt in dorsal (A) and ventral (B) view. Scale bar equals 10 cm.
Figure 98 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 98 Rostrum of Alanqa saharica (FSAC-KK 26) from the Kem Kem Group in (A) ventral and (B) lateral views with magnified view of foramina and ventral margin. Scale bar equals 5 cm.
Figure 82 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 82 Mandibular symphyses of Hamadasuchus rebouli. Mandibular symphysis (MNHN-MRS 3110) in (A) dorsal, (B) ventral and (C) right lateral view. Mandibular symphysis (NMC 41784) in (D) dorsal, (E) ventral, (F) left lateral, (G) anterior and (H) posterior view. Scale bar equals 3 cm. Abbreviations: ad2, 4 alveolus for dentary tooth 2, 4 d4 dentary tooth 4 fo foramen sp splenial.
Figure 81 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 81 Sebecid braincases from Aferdou N'Chaft. Braincase (FSAC-KK 1237) referable to Hamadasuchus rebouli in (A) dorsal and (B) ventral view. Partial braincase (FSAC-KK 08) in (C) dorsal, (D) ventral, (E, I) anterior, (F) posterior, (G) left lateral and (H) right lateral view. Scale bar equals 5 cm in A-H. Abbreviations: bo basioccipital bsr basisphenoid recess cqp cranioquadrate passage f frontal fo ICA foramen for internal carotid artery fo MM maxillomandibular foramen fo mAMEP Musculus adductor mandibulae externus profundus fo V1 ophthalmic foramen oc occipital condyle p parietal q quadrate.
Figure 97 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 97 Fragment of the mandibular symphysis of a tapejarid pterosaur (BSP 1997 I 67) from the Kem Kem Group in (A) ?left lateral, (B) ?right lateral and (C) dorsal (occlusal) view. Scale bar equals 5 cm.
Figure 93 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 93 Sebecid left jugal (FSAC-KK 07) in (A) lateral, (B, D) medial and (C) ventral view. Scale bar equals 5 cm in A–C. Abbreviations: nAD dorsal alveolar branch of the maxillary nerve (V2) nJU jugal branch of the maxillary nerve (V2).
Figure 8 from: Ibrahim N, Sereno PC, Varricchio DJ, Martill DM, Dutheil DB, Unwin DM, Baidder L, Larsson HCE, Zouhri S, Kaoukaya A (2020) Geology and paleontology of the Upper Cretaceous Kem Kem Group of eastern Morocco. ZooKeys 928: 1-216. https://doi.org/10.3897/zookeys.928.47517
Figure 8 Schematic and simplified geological cross section from the southern Atlas mountains at Amellagou to the northern margin of the Hamada du Kem Kem at Ouzina spanning the Tafilalt Platform. Notice that the Kem Kem Group strata overlie a thick Mesozoic sequence in the north within the southern Atlas Mountain thrust belt but rest unconformably on the Paleozoic basement in the south. Likely the Tafialt Platform was an 'island' within the gigantic Kem Kem river system. The line of sections extends from A at Amellagou to B at Ouzina.
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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.