Sphenodiscus:
Vertebrados del Maastrichtiano
Sphenodiscus:
Antiguo templo abandonado
Sphenodiscus:
Cristata de Epithelantha
Sphenodiscus:
Patocarpus coahuilensis
Sphenodiscus:
Striatornata sanantoniensis
Sphenodiscus:
Fruto fósil indeterminado
NASA on The Commons:
Gemini XI Reaches a Record Apogee for a Crewed Spacecraft in Earth Orbit
Chuck Eastman:
Ginko Wa.