• Publications
  • Influence
ADAPTIVE ZONES AND THE ORDERS OF MAMMALS
  • L. V. Van Valen
  • Medicine
  • Evolution; international journal of organic…
  • 1 June 1971
The therian mammals, marsupials and placentals with their ancestors, are an adaptively diverse group as well as a familiar one. Both their phylogeny and functional morphology are better known thanExpand
  • 76
  • 9
Brain size and intelligence in man.
  • 42
  • 9
Multivariate structural statistics in natural history.
  • 49
  • 9
Homology and causes
Homology is resemblance caused by a continuity of information. In biology it is a unified developmental phenomenon. Homologies among and within individuals intergrade in several ways, so historicalExpand
  • 86
  • 7
The Earliest Primates
The known range of the Primates is extended down from the middle Paleocene to the early Paleocene and late Cretaceous by a new genus and two new species from Montana, Purgatorius unio and P.Expand
  • 158
  • 7
GROUP SELECTION AND THE EVOLUTION OF DISPERSAL
  • L. V. Van Valen
  • Medicine
  • Evolution; international journal of organic…
  • 1 December 1971
Different animals and plants have widely differing dispersal abilities. This is a matter of major ecological importance, for it determines the gradational difference between colonizing andExpand
  • 59
  • 6
Gradual Dinosaur Extinction and Simultaneous Ungulate Radiation in the Hell Creek Formation
Dinosaur extinction in Montana, Alberta, and Wyoming was a gradual process that began 7 million years before the end of the Cretaceous and accelerated rapidly in the final 0.3 million years of theExpand
  • 143
  • 3
Cretaceous Mammals from Montana
A series of Cretaceous mammal faunas, beginning with standard late Cretaceous faunas and continuing with three of Paleocene aspect, are summarized. Four families (Eucosmodontidae, Taeniolabididae,Expand
  • 196
  • 3
GROUP SELECTION, SEX, AND FOSSILS
  • L. V. Van Valen
  • Medicine
  • Evolution; international journal of organic…
  • 1 March 1975
The first use of natural selection to explain the differences among the faunas and floras of different geological times (by means of differential extinction) was in 1832, six years before DarwinExpand
  • 36
  • 3
BODY SIZE AND NUMBERS OF PLANTS AND ANIMALS
  • L. V. Van Valen
  • Medicine
  • Evolution; international journal of organic…
  • 1 March 1973
Although it is one of the most important attributes of organisms, body size has received surprisingly little attention in biology. (Some exceptions, with literature entries, are Bonner, 1968; Gould,Expand
  • 54
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