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  Paleobiology Database

  Valvulinidae

  first appearance

  • URI: http://eol.org/schema/terms/FossilFirst
  • Definition: The first appearance of this taxon in the fossil record.

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  changhsingian age

  • URI: http://resource.geosciml.org/classifier/ics/ischart/Changhsingian
  • Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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• Paleobiology Database

  Saurichthys (Eosaurichthys) chaoi

  first appearance

  • URI: http://eol.org/schema/terms/FossilFirst
  • Definition: The first appearance of this taxon in the fossil record.

  show all records

  changhsingian age

  • URI: http://resource.geosciml.org/classifier/ics/ischart/Changhsingian
  • Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

  show all records
• Paleobiology Database

  Eoammosphaeroides

  first appearance

  • URI: http://eol.org/schema/terms/FossilFirst
  • Definition: The first appearance of this taxon in the fossil record.

  show all records

  changhsingian age

  • URI: http://resource.geosciml.org/classifier/ics/ischart/Changhsingian
  • Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

  show all records

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