C. A. Lockwood

Publications36
h-index20
Citations1,930
Highly Influential Citations138
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Temporal trends and metric variation in the mandibles and dentition of Australopithecus afarensis.
TLDR
Results show that significant directional changes do occur in the A. afarensis mandibles and teeth, and in these elements, the species is not static, even though other factors, such as sexual dimorphism, may also play a part. Expand
Sexual dimorphism in the face of Australopithecus africanus.
  • C. A. Lockwood
  • Biology, Medicine
  • American journal of physical anthropology
  • 1999
TLDR
Resampling methodology (bootstrapping) is used here to establish that A. africanus has a greater craniofacial size range than chimpanzees or modern humans, a range which is best attributed to a moderately high degree of sexual dimorphism. Expand
Morphometrics and hominoid phylogeny: Support for a chimpanzee-human clade and differentiation among great ape subspecies.
TLDR
Three-dimensional landmark data from the hominoid temporal bone effectively quantify the shape of a complex element of the skull and reveal the potential for geometric morphometric analysis to shed light on phylogenetic relationships. Expand
Randomization procedures and sexual dimorphism in Australopithecus afarensis
TLDR
Etude du dimorphisme sexuel des Australopithecus afarensis sur the base of procedures par randomisation a partir d'echantillons de mandibule, de proximal de femurs and d'humerus isabelle examine en detail. Expand
Discriminant function analyses in archaeology: are classification rates too good to be true?
The use of discriminant function analyses (DFA) in archaeological and related research is on the increase, however many of the assumptions of this method receive a mixed treatment in the literature.… Expand
Was Australopithecus anamensis ancestral to A. afarensis? A case of anagenesis in the hominin fossil record.
TLDR
A phylogenetic analysis of four temporally successive fossil samples assigned to these species using polarized character-state data from 20 morphological characters of the dentition and jaws supports the idea that the A. anamensis and A. afarensis samples represent parts of an anagenetically evolving lineage, or evolutionary species. Expand
Quantifying temporal bone morphology of great apes and humans: an approach using geometric morphometrics
TLDR
3D geometric morphometrics techniques are used to quantify differences among humans and great apes and discuss the results in a phylogenetic context, contradicting depictions of African apes as a single morphotype. Expand
Extended Male Growth in a Fossil Hominin Species
TLDR
Extended male development in a hominin species, Paranthropus robustus, is described, suggesting that male reproductive strategy focused on monopolizing groups of females, in a manner similar to that of silverback gorillas. Expand
The recognition and evaluation of homoplasy in primate and human evolution.
TLDR
More rigorous empirical studies are necessary to discover what, if any, generalizations can be made about the likelihood of homoplasy in different types of characters, as this review shows that these generalizations are usually based on theory, and contradictory expectations can be developed under different theoretical models. Expand
Genetic, geographic, and environmental correlates of human temporal bone variation.
TLDR
Temporal bone morphology appears to partially follow an isolation by distance model of evolution among human populations, although levels of correlation show that a substantial component of variation is unexplained by factors considered here. Expand
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