"small shellies" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "2009, Joseph Seckbach, Divine Action and Natural Selection, page 486",
          "text": "Following this is the earliest Cambrian, where large shelly invertebrates are rare (and no trilobites occur), but the commonest fossils are tiny forms nicknamed the “small shellies.”",
          "type": "quotation"
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        {
          "ref": "2018, Mark Carnall, “Unidentifiable fossils: palaeontological problematica”, in The Guardian",
          "text": "Although difficult to interpret, small shellies may hold the key to understanding the origins of shelled and biomineralised groups of animals.",
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      "glosses": [
        "Small shelly fauna."
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          "Small shelly fauna",
          "small shelly fauna"
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        "(paleontology) Small shelly fauna."
      ],
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  "word": "small shellies"
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  "lang_code": "en",
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          "ref": "2009, Joseph Seckbach, Divine Action and Natural Selection, page 486",
          "text": "Following this is the earliest Cambrian, where large shelly invertebrates are rare (and no trilobites occur), but the commonest fossils are tiny forms nicknamed the “small shellies.”",
          "type": "quotation"
        },
        {
          "ref": "2018, Mark Carnall, “Unidentifiable fossils: palaeontological problematica”, in The Guardian",
          "text": "Although difficult to interpret, small shellies may hold the key to understanding the origins of shelled and biomineralised groups of animals.",
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        "Small shelly fauna."
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        "(paleontology) Small shelly fauna."
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  "word": "small shellies"
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