PALEONTOLOGICAL RESEARCH

Reassessment of a Pleistocene Rhinocerotid (Mammalia, Perissodactyla) from Aira, Kagoshima, Southwestern Japan

Active Floating with Buoyancy of Pseudopodia Versus Passive Floating by Hydrodynamic Drag Force: A Case Study of the Flat-Shaped Spumellarian Radiolarian Dictyocoryne

Middle and Late Jurassic Radiolarians from Nadanhada Terrane of Eastern Heilongjiang Province, Northeastern China

The Guadalupian (Permian) Gufeng Formation on the North Margin of the South China Block: A Review of the Lithostratigraphy, Radiolarian Biostratigraphy, and Geochemical Characteristics

A New Deep-Sea Shark Scymnodalatias Kazenobon (Squaliformes, Somniosidae) from the Miocene Yatsuo Group in Central Japan

Features and Paleoecological Significance of the Shark Fauna from the Upper Cretaceous Hinoshima Formation, Himenoura Group, Southwest Japan

Late Early Permian Fusulines along Gongendani, South of Mt. Ryozen, Shiga Prefecture, Central Japan

Fossil Gorgonocephalid Basket Stars (Echinodermata: Ophiuroidea: Euryalida) from the Middle Pleistocene of Japan; the First Record from the Indo-Pacific Region

Radiolarian Biostratigraphy and Faunal Turnover across the Early/Middle Miocene Boundary in the Equatorial Pacific

A New Callorhinchid Genus (Holocephali, Chimaeroidei) from the Early Bajocian of Ottange-Rumelange, on the Luxembourg-French Border

Taxonomic Relationships and Paleoecological Significance of Two Exceptionally Large Lower Jaws of Late Cretaceous Ammonoids from Japan

Two Early Carboniferous Brachiopods, Levitusia humerosa (Sowerby, 1822) and Grandispirifer mylkensis Yang, 1959, from the Arisu Formation of Okuhinotsuchi, South Kitakami Belt, Japan

Limnobiophyllum expansum (Lemnoideae, Araceae) from the Early Miocene Hiramaki Formation in the Kani Basin, Gifu Prefecture, Central Japan

Two New Gastropods from the Late Pliocene Omma-Manganji Fauna in the Japan Sea Borderland of Honshu, Japan

A Possible Phylogenetic Relationship of Two Species of Hyphantoceras (Ammonoidea, Nostoceratidae) in the Cretaceous Yezo Group, Northern Japan

Morphometric Analysis of Two Eocene Related Radiolarian Species of the Podocyrtis (Lampterium) Lineage

New Radiolarian Genus Ganjiangmoyea gen. nov. from the Lopingian (Upper Permian) in Guangxi, South China

Preface: The 15th Meeting of the International Association of Radiolarists (InterRad XV), 20 October–1 November, 2017, Niigata, Japan

A Large Fossil Baleen Whale from the Shikiya Formation (Early Middle Miocene) of Wakayama, Japan

Chemosymbiotic Bivalves from the Lower Miocene Kurosedani Formation in Toyama Prefecture, Central Honshu, Japan

Benthic Foraminiferal Events of the Qom Formation in the North Central Iran Zone

Carboniferous foraminifers of the Yura area, Southern Chichibu Terrane of the western part of Kii Peninsula, Japan