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Microschedia : ウィキペディア英語版 | Microschedia
''Microschedia'' is an enigmatic fossil bilaterian known from four specimens from Lower Cambrian deposits in Morocco. == Morphology ==
The fossils are approximately discoid, and covered with a net-like pattern. Fine hair-like projections extend beyond the edge of this almost-flat, firm (but non-mineralized) "shell", which bears no trace of muscle scars.〔
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