Some Crinoids of the Ponta Grossa Formation and
paleobiogeographic affinities (Early Devonian, Pa... more Some Crinoids of the Ponta Grossa Formation and paleobiogeographic affinities (Early Devonian, Parana Basin, Brazil)
Some Crinoids of the Ponta Grossa Formation and
paleobiogeographic affinities (Early Devonian, Pa... more Some Crinoids of the Ponta Grossa Formation and paleobiogeographic affinities (Early Devonian, Parana Basin, Brazil)
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paleobiogeographic affinities (Early Devonian, Parana Basin,
Brazil)
paleobiogeographic affinities (Early Devonian, Parana Basin,
Brazil)