Locomotor adaptations as reflected on the humerus of paleogene primates.

F. S. Szalay*, M. Dagosto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

151 Scopus citations


Examination of Paleogene distal humeri and a survey of homologous articulations in living primates allows some anatomical correlation with elbow mechanics and the occurrence of these during specific locomotor behaviors in living species. Claw climbing is postulated to be the ancestral primate locomotor mode from which the ancestral euprimate (strepsirhines and haplorhines) evolved a grasp leaping locomotor pattern. This pattern, which depends on a powerful grasp either during climbing or when landing after a jump, is still the most pervasive form of primate locomotion. Morphological evidence of Paleogene humeri suggest that vertical clinging and leaping behavior derived from grasp leaping at least six times independently.

Original languageEnglish (US)
Pages (from-to)1-45
Number of pages45
JournalFolia primatologica; international journal of primatology
Issue number1-2
StatePublished - 1980

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology


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