Johnson, John Irwin

2 publications

Reep, Roger Lyons; Johnson, John Irwin; Switzer, Robert C.; Welker, W. I. (detail)
1989Manatee cerebral cortex: cytoarchitecture of the frontal region in Trichechus manatus latirostris.
Brain Behav. Evol. 34(6): 365-386.
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Johnson, John Irwin; Kirsch, John A. W.; Reep, Roger Lyons; Switzer, Robert C. (detail)
1994Phylogeny through brain traits: more characters for the analysis of mammalian evolution.
Brain Behav. Evol. 43(6): 319-347. 5 tabs. 12 figs.
—Reports and analyzes data on nine brain traits (in addition to 15 previously described) in mammals including T. manatus and D. dugon, and analyzes the cladistic relationships among mammalian orders that these traits imply.