Unusual Early Cretaceous birds from Spain

This publication has 4 references indexed in Scilit:

• The origin and early diversification of birds
  Paleobiology, 1986
• A true carinate bird from lower Cretaceous deposits in Mongolia and other evidence of early Cretaceous birds in Asia
  Cretaceous Research, 1985
• The prolacertid LepidosaurianCosesaurus aviceps Ellenberger & Villalta, a claimed «Protoavian from the Middle Triassic of Spain
  Geobios, 1984
• Archaeopteryx and the origin of birds
  Biological Journal of the Linnean Society, 1976