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†Helieranella Baldis, Gonzalez & Perez 1984
urn:lsid:organismnames.com:name:590134
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34
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†Helieranella Baldis, Gonzalez & Perez 1984
Baldis, Gonzalez & Perez 1984. Trilobites tremadocianos de la Formacion Negritos (Perforacion 'La Heliera'), Llanos de Colombia. Memoria Congreso Latinoamericano de Paleontologia, No. 3 1984: 28-41