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microwear

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Journal Article
Journal: Paleobiology
Published: 09 November 2015
Paleobiology (2016) 42 (1): 98–116.
...Matthew C. Mihlbachler; Daniel Campbell; Michael Ayoub; Charlotte Chen; Ishrat Ghani Abstract Dental microwear analyses of ungulates and other large herbivores rely on correlations of diet and microwear among extant ungulates, primarily ruminants. Microwear is considered a ‘taxon-free’ method...
FIGURES | View All (4)
Journal Article
Journal: Paleobiology
Published: 21 November 2017
Paleobiology (2018) 44 (1): 131–154.
...) that may have caused shifts in feeding ecology preceding death. In these instances, dental microwear, which reflects feeding ecology in a narrow window of time, may provide a biased view of diet. Mesowear, another dental-wear proxy based on the morphology of worn cusps, requires macroscopic amounts...
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Journal Article
Journal: PALAIOS
Published: 01 July 2010
PALAIOS (2010) 25 (7): 439–448.
... papionins from Taung, including Parapapio antiquus (n = 8), Papio izodi (n = 12), and indeterminate specimens (n = 10) were examined under low magnification to discern patterns of dental microwear. The comparative fossil sample from Sterkfontein Member 4 includes Parapapio broomi (n = 10) and Parapapio...
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Journal Article
Journal: PALAIOS
Published: 01 January 2009
PALAIOS (2009) 24 (12): 818–825.
...DANIELLE FRASER; JORDAN C. MALLON; ROBIN FURR; JESSICA M. THEODOR Abstract The recent advent of low magnification microwear analysis has allowed the efficient study of entire vertebrate faunas using only an optical stereomicroscope. Photographic visualization of microwear by this means has proven...
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Journal Article
Journal: PALAIOS
Published: 01 December 2005
PALAIOS (2005) 20 (6): 551–561.
...GILDAS MERCERON; CECILE BLONDEL; LOUIS DE BONIS; GEORGES D. KOUFOS; LAURENT VIRIOT Abstract This study presents a new, reliable method of dental microwear analysis, which is applied to one of the largest published primate databases and to a Miocene hominoid, Ouranopithecus macedoniensis . Phase I...
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Journal Article
Published: 01 September 2005
Bulletin de la Société Géologique de France (2005) 176 (5): 475–484.
...Gildas Merceron; Louis de Bonis; Laurent Viriot; Cécile Blondel Abstract This study deals with the paleoenvironmental changes in northern Greece during the late Vallesian and the early Turolian, before and after the last occurrence of the hominoid Ouranopithecus macedoniensis . Dental microwear...
FIGURES
Journal Article
Journal: Paleobiology
Published: 01 February 2010
Paleobiology (2010) 36 (1): 113–136.
...Nikos Solounias; Florent Rivals; Gina M. Semprebon Abstract A large sample of the Pikermi and Samos ungulates was examined by microwear analysis using a light stereomicroscope (561 extinct and 809 extant comparative specimens). The results were used to infer the dietary adaptations of individual...
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Image
Means and SEs of labial (A1) and lingual (A4) dental <b>microwear</b> data for (A)...
Published: 21 November 2017
Figure 2 Means and SEs of labial (A1) and lingual (A4) dental microwear data for (A) extant species and (B) North American Miocene species. The dashed outlines in A and B surround labial and lingual microwear data. Figure C plots ratios of labially and lingually distributed pits and scratches
Image
Plots of average mesowear scores against mean values for <b>microwear</b> variable...
Published: 21 November 2017
Figure 6 Plots of average mesowear scores against mean values for microwear variables. Key to symbols is given in Fig. 2 . The gray symbols represent extant species, with dotted lines connecting them when mesowear and microwear are significantly correlated.
Image
Meshed axonometrics of digital elevation models of <b>microwear</b> surfaces of al...
Published: 02 February 2017
Figure 3 Meshed axonometrics of digital elevation models of microwear surfaces of all extant and extinct carnivorans analyzed. Examples include: (A) Acinonyx jubatus (AMNH 35998), (B) Panthera leo (AMNH 52073), (C) Parahyaena brunnea (SAM 39359), (D) Hyaena
Image
Occlusal areas of enamel sampled for dental <b>microwear</b> analysis. Areas A1, A...
Published: 09 November 2015
Figure 1 Occlusal areas of enamel sampled for dental microwear analysis. Areas A1, A2, and A4 represent the regions of the teeth where microwear sites were chosen. We attempted to sample A3 but were unable to collect sufficient data from that area with the present
Image
Photomicrographs of dental <b>microwear</b> surfaces from clear epoxy casts. Each ...
Published: 09 November 2015
Figure 2 Photomicrographs of dental microwear surfaces from clear epoxy casts. Each photo is a physical area of 150 μm×150 μm.
Image
<b>Microwear</b> features under low magnification (50–70×). Scale bar  =  0.4 mm. ...
in > PALAIOS
Published: 01 November 2011
FIGURE 2— Microwear features under low magnification (50–70×). Scale bar  =  0.4 mm. A) Coarse scratch on M 2 of Propithecus verreauxi, Museum of Comparative Zoology 16375. B) Fine scratch and small pit on M 2 of Lemur catta, American Museum of Natural History 170743. C) Hypercoarse scratch
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Regression results of <b>microwear</b> features.
in > PALAIOS
Published: 01 November 2011
TABLE 2— Regression results of microwear features.
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Prior dental <b>microwear</b> and stable isotope inferences.
in > PALAIOS
Published: 01 November 2011
TABLE 7— Prior dental microwear and stable isotope inferences.
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Observations of dental <b>microwear</b> in this study and resulting dietary infere...
in > PALAIOS
Published: 01 November 2011
TABLE 8— Observations of dental microwear in this study and resulting dietary inferences.
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Table 1. ANOVA results for each dental <b>microwear</b> feature compared to taxon ...
in > PALAIOS
Published: 01 July 2010
Table 1. ANOVA results for each dental microwear feature compared to taxon (significant results in bold).
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Table 2. Species from Pikermi and Samos and their tooth <b>microwear</b> results. ...
Published: 01 February 2010
Table 2. Species from Pikermi and Samos and their tooth microwear results. Abbreviations: n , number of specimens; Ave P, average number of pits; Ave S, average number of scratches; %LP, percentage of individuals per taxon with more than four large pits, %G, percentage of individuals per taxon
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TABLE 1. Measured specimens and <b>microwear</b> data. Mean  =  mean of angles of ...
in > PALAIOS
Published: 01 January 2010
TABLE 1. Measured specimens and microwear data. Mean  =  mean of angles of scratches; Sd  =  standard deviation of the angles of scratches; Nb scr  =  number of scratches; MP  =  Paleogene mammal zones. All specimens are housed in the Institut des Sciences de l'Evolution de Montpellier 2.
Image
FIGURE 4. Rose diagrams of <b>microwear</b> features orientation (distribution of ...
in > PALAIOS
Published: 01 January 2010
FIGURE 4. Rose diagrams of microwear features orientation (distribution of upper molars) in the Issiodoromyinae showing the evolution of chewing movements from oblique to nearly propalinal mastication. A single ray shows the direction of scratches for one specimen, and its length reflects