A Standard Biostratigraphic Sequence for the Devonian of Western North America

对美国西部泥盆纪的拟议研究涉及三个广泛的领域。1. 腕足动物系统学：特别是志龙纪-泥盆纪的属、科和从属水平的有肢类腕足动物，它们的范围、事件和生物地理意义，与《腕足动物专论》修订版的准备有关。中泥盆世腕足类和牙形石生物地层学及跨弗拉斯-法门界牙形石生物地层学。在这些层序中，研究了大盆地的沉积史，重点研究了中泥盆世的隆升事件和上泥盆世的台地暴露。3. 对上泥盆世动物序列的调查，将继续建立在已知的下泥盆世和中泥盆世动物序列的已发表研究的基础上，重点是腕足动物为主的群落和与牙形石分区方案相结合的区域。

Proposed research in the Devonian of the western United States involves three broad areas of endeavor. 1. Brachiopod systematics: especially Siluro-Devonian spiriferid brachiopods at the genus, family, and subordinal levels, their range events, and biogeographical significance, in connection with preparation of the revised edition of the Brachiopod Treatise. 2. Brachiopod and conodont biostratigraphy of the Middle Devonian and conodont biostratigraphy across the Frasnian-Famennian boundary. In these sequences Great Basin depositional history is being investigated with a focus on eustatic events of deepening (Middle Devonian) and platform exposure (Upper Devonian). 3. Investigation of the Upper Devonian faunal sequence, with emphasis on brachiopod-dominated communities and zones integrated with the conodont zonal scheme, will continue to build on published research that has made known the Lower and Middle Devonian sequence.