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Thomas J Masterson

Biographic Data

ID1827580
NAMEThomas J Masterson
GIVEN NAMESThomas J
FAMILY NAMEMasterson
SIGNATUREMASTERSON T J
AFFILIATIONSJames Madison University
VERIFIEDNo
TOTAL WORKS9
TOTAL CITATIONS27
WORKS AS AUTHOR9
WORKS AS EDITOR0
FIRST PUBLICATION YEAR1989
LATEST PUBLICATION YEAR2003
H-INDEX2
  • Canine Dimorphism and Interspecific Canine Form in Cebus

    Open Access•Thomas J Masterson•ARTICLE•International Journal of…•2003•Cited by: 1•References: 36

  • Degrees of sexual dimorphism in Cebus and other new world monkeys

    Open Access•Thomas J Masterson, Walter Carl Hartwig•ARTICLE•American Journal of Physical…•1998

    Sexual dimorphism in primate species expresses the effects of phylogeny, life history, behavior, and ontogeny. The causes and implications of sexual dimorphism have been studied in several different primates using a variety of morphological databases such as body weight, canine length, and coat color and ornamentation. In addition to these different patterns of dimorphism, the degree to which a species is dimorphic results from a variety of possi…

  • Degrees of sexual dimorphism inCebus and other new world monkeys

    Open Access•Thomas J Masterson, Walter Carl Hartwig•ARTICLE•American Journal of Physical…•1998•References: 40

    Sexual dimorphism in primate species expresses the effects of phylogeny, life history, behavior, and ontogeny. The causes and implications of sexual dimorphism have been studied in several different primates using a variety of morphological databases such as body weight, canine length, and coat color and ornamentation. In addition to these different patterns of dimorphism, the degree to which a species is dimorphic results from a variety of possi…

  • Sexual dimorphism and interspecific cranial form in two capuchin species

    Open Access•Thomas J Masterson•ARTICLE•American Journal of Physical…•1997•References: 70

    Ontogenetic patterns of sexual dimorphism and cranial form in two capuchin monkeys, Cebus albifrons and C. apella, are investigated by means of univariate, bivariate, and multivariate statistics. The analyses are based on 23 linear variables. Univariate analyses indicate that similar ontogenetic patterns of cranial sexual dimorphism are present; however, interspecific differences exist in timing. Ontogenetic scaling is present in both species' cr…

  • Sexual dimorphism and interspecific cranial form in two capuchin species

    Open Access•Thomas J Masterson•ARTICLE•American Journal of Physical…•1997

    Ontogenetic patterns of sexual dimorphism and cranial form in two capuchin monkeys, Cebus albifrons and C. apella, are investigated by means of univariate, bivariate, and multivariate statistics. The analyses are based on 23 linear variables. Univariate analyses indicate that similar ontogenetic patterns of cranial sexual dimorphism are present; however, interspecific differences exist in timing. Ontogenetic scaling is present in both species' cr…

  • Ontogenetic patterns of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•Journal of Human Evolution•1992•Cited by: 12•References: 56

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus) as detected by principal-components analysis

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•International Journal of…•1990•Cited by: 14•References: 43

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Walter Leutenegger, Thomas J Masterson•ARTICLE•Zeitschrift für Morphologie und…•1989

    Based on a homogeneous sample of 212 individuals spanning all postnatal age periods, we examine the ontogeny of cranial sexual dimorphism in Bornean orang-utans (Pongo pygmaeus pygmaeus) by means of univariate statistics. A distinct pattern emerges at the early juvenile stage and continues at all subsequent stages with males tending to exceed females in all cranial dimensions. In conjunction, starting at mid-juvenile stage, there is a strong tend…

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Walter Leutenegger, Thomas J Masterson•ARTICLE•Zeitschrift für Morphologie und…•1989

    Based on a homogeneous sample of 212 individuals spanning all postnatal periods, we examine the ontogeny of cranial sexual dimorphism in Bornean orang-utans (Pongo pygmaeus pygmaeus) by means of allometric analysis and in terms of heterochrony. The bivariate growth allometries of 20 cranial dimensions against basicranial length yield two major patterns. Confirming the null hypothesis, strong ontogenetic scaling, where growth regressions of both s…

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus) as detected by principal-components analysis

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•International Journal of…•1990•Cited by: 14•References: 43

  • Ontogenetic patterns of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•Journal of Human Evolution•1992•Cited by: 12•References: 56

  • Canine Dimorphism and Interspecific Canine Form in Cebus

    Open Access•Thomas J Masterson•ARTICLE•International Journal of…•2003•Cited by: 1•References: 36

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Walter Leutenegger, Thomas J Masterson•ARTICLE•Zeitschrift für Morphologie und…•1989

    Based on a homogeneous sample of 212 individuals spanning all postnatal age periods, we examine the ontogeny of cranial sexual dimorphism in Bornean orang-utans (Pongo pygmaeus pygmaeus) by means of univariate statistics. A distinct pattern emerges at the early juvenile stage and continues at all subsequent stages with males tending to exceed females in all cranial dimensions. In conjunction, starting at mid-juvenile stage, there is a strong tend…

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Walter Leutenegger, Thomas J Masterson•ARTICLE•Zeitschrift für Morphologie und…•1989

    Based on a homogeneous sample of 212 individuals spanning all postnatal periods, we examine the ontogeny of cranial sexual dimorphism in Bornean orang-utans (Pongo pygmaeus pygmaeus) by means of allometric analysis and in terms of heterochrony. The bivariate growth allometries of 20 cranial dimensions against basicranial length yield two major patterns. Confirming the null hypothesis, strong ontogenetic scaling, where growth regressions of both s…

  • The ontogeny of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus) as detected by principal-components analysis

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•International Journal of…•1990•Cited by: 14•References: 43

  • Ontogenetic patterns of sexual dimorphism in the cranium of Bornean orang-utans (Pongo pygmaeus pygmaeus)

    Open Access•Thomas J Masterson, Walter Leutenegger•ARTICLE•Journal of Human Evolution•1992•Cited by: 12•References: 56

  • Sexual dimorphism and interspecific cranial form in two capuchin species

    Open Access•Thomas J Masterson•ARTICLE•American Journal of Physical…•1997•References: 70

    Ontogenetic patterns of sexual dimorphism and cranial form in two capuchin monkeys, Cebus albifrons and C. apella, are investigated by means of univariate, bivariate, and multivariate statistics. The analyses are based on 23 linear variables. Univariate analyses indicate that similar ontogenetic patterns of cranial sexual dimorphism are present; however, interspecific differences exist in timing. Ontogenetic scaling is present in both species' cr…

  • Sexual dimorphism and interspecific cranial form in two capuchin species

    Open Access•Thomas J Masterson•ARTICLE•American Journal of Physical…•1997

    Ontogenetic patterns of sexual dimorphism and cranial form in two capuchin monkeys, Cebus albifrons and C. apella, are investigated by means of univariate, bivariate, and multivariate statistics. The analyses are based on 23 linear variables. Univariate analyses indicate that similar ontogenetic patterns of cranial sexual dimorphism are present; however, interspecific differences exist in timing. Ontogenetic scaling is present in both species' cr…

  • Degrees of sexual dimorphism in Cebus and other new world monkeys

    Open Access•Thomas J Masterson, Walter Carl Hartwig•ARTICLE•American Journal of Physical…•1998

    Sexual dimorphism in primate species expresses the effects of phylogeny, life history, behavior, and ontogeny. The causes and implications of sexual dimorphism have been studied in several different primates using a variety of morphological databases such as body weight, canine length, and coat color and ornamentation. In addition to these different patterns of dimorphism, the degree to which a species is dimorphic results from a variety of possi…

  • Degrees of sexual dimorphism inCebus and other new world monkeys

    Open Access•Thomas J Masterson, Walter Carl Hartwig•ARTICLE•American Journal of Physical…•1998•References: 40

    Sexual dimorphism in primate species expresses the effects of phylogeny, life history, behavior, and ontogeny. The causes and implications of sexual dimorphism have been studied in several different primates using a variety of morphological databases such as body weight, canine length, and coat color and ornamentation. In addition to these different patterns of dimorphism, the degree to which a species is dimorphic results from a variety of possi…

  • Canine Dimorphism and Interspecific Canine Form in Cebus

    Open Access•Thomas J Masterson•ARTICLE•International Journal of…•2003•Cited by: 1•References: 36

Biology (9 works) · Primate Behavior and Ecology (9 works) · Sexual dimorphism (9 works) · Zoology (9 works) · Ecology (8 works) · Allometry (5 works) · Evolutionary biology (5 works) · Wildlife Ecology and Conservation (5 works) · Ontogeny (4 works) · Pongo pygmaeus (4 works)

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