Biostratigraphy and Vertebrate Paleontology of the San Timoteo Badlands, Southern CaliforniaThe author describes forty-two fossil taxa recovered during a study of the San Timoteo Badlands that used magnetobiostratigraphy to develop a temporal framework for addressing the tectonic evolution of southern California over the last 6 million years. For the Pliocene, small mammals are an effective means of correlating a magnetostratigraphy to the Geomagnetic Polarity Time Scale when radioisotopic dates are unobtainable. |
Contents
Methods | 7 |
Comparison of the San Timoteo Badlands AnzaBorrego Desert | 23 |
Summary and Conclusions | 105 |
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Common terms and phrases
anteroconid anterolingual Anza-Borrego Desert Arizona Badlands Blancan California Canyon Casco composite section Casco locality Cenozoic chron cingulum correlation County Landfill-El Casco crown height cusps Czaplewski dentine tracts Dipodomys Dipodomys sp enamel Equus Erethizon F:AM faunas fossils francescana Frick hagermanensis Hibbard Holotype Hot Springs-Jack Rabbit hypocone Irvingtonian Kansas labial labial view Landfill-El Casco composite late Blancan late Hemphillian left M2 Lindsay lingual reentrants lingual view mammal medial Blancan metaloph Microtus Mimomys molars morphology Museum Neotoma occurs Ondatra idahoensis paleomagnetic Paleontology paracone Perognathus sp Peromyscus Plesippus Pliocene posterior protocone protoloph Rabbit Trail composite Ranch LF reentrant Referred Specimens Repenning Repomys right M2 Riverside County Riverside County Landfill-El rodent San Timoteo Badlands San Timoteo Canyon San Timoteo formation SBCM sequence Shutt Ranch Sigmodon Sigmodon minor Springs-Jack Rabbit Trail stereo occlusal view stratigraphic Sylvilagus taxa teeth Teleoceras Tomida tooth Trail composite section triangles Vallecito Creek Zakrzewski