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†Angustothyris Dagys 1972
urn:lsid:organismnames.com:name:2243313
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†Angustothyris Dagys 1972
Dagys 1972. [The postembryonic development of the brachidia in Late Palaeozoic and Early Mesozoic Terebratulida.]. Trudy Inst. Geol Geofiz Sib Otd, 112 1972: 22-58