https://www.selleckchem.com/pr....oducts/Semagacestat(
The genus Orthopleura Imbrie, 1959 (Brachiopoda Rhynchonelliformea Strophomenata Orthotetida Orthotetidina Chilidiopsoidea Areostrophiidae Areostrophiinae, following the classification of Kaesler Selden 1997-2007) was erected to contain three species of extinct brachiopods from Devonian deposits in the United States. Orthopleura rhipis Imbrie, 1959 was assigned as the type species at time of erection. Streptorhynchus flabellum Whitfield, 1882, Schuchertella orthoplicata Stainbrook, 1943, and two undescribed species, "Orth