Disarticulated fossil lateral arm plates of brittle stars from the Middle Pleistocene Miyata Formation, Miura, Kanagawa Prefecture, eastern Japan, are described. They are assigned to Stegophiura sladeni on the basis of their microstructural morphology. This is the first description based on disarticulated fossil lateral arm plates of brittle stars from Japan and should encourage further exploration of the Japanese ophiuroid microfossil record.
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1 April 2022
Fossil Lateral Arm Plates of Stegophiura sladeni (Echinodermata: Ophiuroidea: Ophiurida) from the Middle Pleistocene of Japan
Masanori Okanishi,
Shota Mitsui,
Ben Thuy
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Paleontological Research
Vol. 26 • No. 2
April 2022
Vol. 26 • No. 2
April 2022
brittle star
Kanagawa
Miyata Formation
Ophiopyrgidae
Stegophiura