Geological Survey Professional Paper

acanthopores Apertural view body whorl Bryozoa Byoritzu beds Cachoeira do Campo callus Caraça carbonate Chinen sand chlorite columella Comparative bathymetric data diameter diaphragms Distribution dolomite ephebic ephebic zone fathoms Figured specimen USNM figured type fold Formosa fossil Gastropoda genus height Hirase Holotype Holotype USNM iron oxide iron-formation Japan Kuroda and Habe laminae lapa sêca Leptotrypella Linné Longitudinal section magnetite Maquiné mesopores meters Minas series minerals Miocene Miocene or Pliocene moderately monticules Naha limestone Nakoshi sand neanic Nomura Nova Lima Nova Lima group Nova Lima quadrangle Okinawa Outer lip paratype phyllite plagioclase Plate Pleistocene Pliocene Protoconch quartz quartzite Rio Acima quadrangle Rio das Velhas rocks Ryukyu Ryukyu Islands Sabará schist schist and phyllite sericite shells Shimajiri formation Shinzato tuff member spire Subgenus subsutural slope suture Tangential section thick thin sections Type locality Univ USNM Yokoyama Yonabaru clay member Yontan limestone zoaria zoarium zooecial walls