Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUOKA KAZUMI,"805. CYST AND THECATE FORMS OF PYROPHACUS STEINII (SCHILLER) WALL ET DALE, 1971",Transactions and proceedings of the Paleontological Society of Japan. New series,00310204,PALAEONTOLOGICAL SOCIETY OF JAPAN,1985,1985,140,240-262,https://cir.nii.ac.jp/crid/1390001205433421568,https://doi.org/10.14825/prpsj1951.1985.140_240