A new species of the genus from the Seto Inland Sea, Japan (Crustacea, Amphipoda, Podoceridae).

A new podocerid amphipod, , is described from the Etajima Island, the Seto Inland Sea, Japan. This new species differs from its congeners by the dorsal carination of pereonites and pleonites, and form of the antenna 1, gnathopods 1 and 2, uropods 1 and 2, and telson. Nucleotide sequence data of the mitochondrial cytochrome subunit I (COI) from a paratype of is provided for future molecular systematic studies.

Trichodermanins C-E, New Diterpenes with a Fused 6-5-6-6 Ring System Produced by a Marine Sponge-Derived Fungus.

Trichodermanins C-E (-), new diterpenes with a rare fused 6-5-6-6 ring system, have been isolated from a fungus OUPS-111D-4 separated from a piece of a marine sponge , and these chemical structures have been established by spectroscopic analyses using IR, MASS, HRFABMS, and NMR spectra. We established their absolute stereostructures by application of the modified Mosher's method. In addition, inhibited the growth of cancer cell lines potently.