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Endothyracea : ウィキペディア英語版 | Endothyracea
The Endothyracea is a superfamily in the foraminiferal order, Fusulinida (or as often, suborder Fusulinina) known from the upper Devonian to the Lower Permian. Probably ancestral to the Fusulinacea.〔Alfred R. Loeblich Jr and Helen Tappan 1988. Foraminiferal Genera and their Classification. VanNostrand Reinhold. New York N.Y. On line at () 〕〔Alfred R Loeblich, Jr and Helen Tappan 1964. Sarcodina Chiefly "Thecamoebians" and Foraminiferida. Treatise on Invertebrate Paleontology, part C Protista 2. R.C. Moore, ed. Geological Society of America and University of Kansas press.〕 ==Diagnosis==
Fusulinida with multichambered, septate tests, planispirally to streptospirally coiled at least in the early stage, may uncoil and become straight in the late growth stage.〔
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