<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="GSM5184289" accession="SRS8509478">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509478</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18373457</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184289</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (12 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>12</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184291" accession="SRS8509480">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509480</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18373454</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184291</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (24 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>24</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184292" accession="SRS8509481">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509481</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18378966</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184292</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (30 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>30</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184293" accession="SRS8509482">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509482</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18378965</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184293</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (36 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>36</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184295" accession="SRS8509484">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509484</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18379004</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184295</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (48 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>48</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184287" accession="SRS8509485">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509485</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18373461</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184287</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (0 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>0</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184288" accession="SRS8509486">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509486</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18373459</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184288</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (6 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>6</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184290" accession="SRS8509479">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509479</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18373455</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184290</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (18 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>18</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM5184294" accession="SRS8509483">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS8509483</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN18378964</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM5184294</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Total RNA (42 hpf)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>7668</TAXON_ID>
      <SCIENTIFIC_NAME>Strongylocentrotus purpuratus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>715756</ID>
          <LABEL>PRJNA715756</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Sea urchin embryos</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Whole embryo</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>hours post fertilization</TAG>
        <VALUE>42</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
