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The ''Rzehakinidae'' is a family of Lower Cretaceous to recent formaminifera that resemble the calcareous imperforate Miliolidae but which are constructed of finely agglutinated material that veneers an organic base. Tests are with two, or less commonly three, chambers per whorl, which are commonly added in various planes. In form they are generally ovoid. The Rzehakinidae was included in the Lituolacea, (Textulariina) in the ''Treatise'' Part C, 1964, and removed by Loeblich and Tappan, 1982 to its own superfamily, the Rzehakinacea. Eleven genera are included: :''Rzehakina'' :''Ammoflintina'' :''Birsteiniolla'' :''Miliammina'' :''Psamminopelta'' :''Rothina'' :''Silicomassilina'' :''Silicosigmoilina'' :''Spirolocammina'' :''Spirosigmoilinella'' :''Trilocularena'' ==''References''== * Alfred R. Loeblich Jr and Helen Tappan, 1964. Sarcodina Chiefly "Thecamoebians" and Foraminiferida; Treatise on Invertebrate Paleontology, Part C Protista 2. Geological Society of America and University of Kansas Press. * Alfred R. Loeblich Jr and Helen Tappan,1988. Forminiferal Genera and their Classification. Van Nostrand Reinhold. (Foraminiferida ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rzehakinidae」の詳細全文を読む スポンサード リンク
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