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Thecospirellidae Dagis 1972
urn:lsid:organismnames.com:name:2193262
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97
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Thecospirellidae Dagis 1972
Dagis 1972. Ultrastructure of thecospirid shells and their position in brachiopod systematics. Paleontologicheskii Zhurnal, 1972(3) 1972: 87-98