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Progyrocystis Friedrich 1993
urn:lsid:organismnames.com:name:1077333
Microreference
101
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Progyrocystis Friedrich 1993
Friedrich 1993. Systematik und Funktionsmorphologie mittelkambrischer Cincta (Carpoidea, Echinodermata). Beringeria, 7 1993: 1-190