EDIT

// SpecimenOrObservationType

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_UNKNOWN = "971a0c72-d4d2-4e41-8520-c9a87df34f48";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_DERIVEDUNIT = "da80443a-360b-4861-abeb-21e13beb5186";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_PRESERVEDSPECIMEN = "95cd9246-4131-444f-ad2f-3b24ca294a1f";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_FOSSIL = "1b0f8534-35eb-4c64-8e53-69e734043bd6";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_LIVING_SPECIMEN = "bc46169e-4d31-4eae-b5aa-1ddf0520c9a9";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_OTHER_SPECIMEN = "b636da6a-b48f-4084-9594-25ea82429b70";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_OBSERVATION = "a8a254f1-7bed-47ec-bbee-86a794819c3b";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_HUMAN_OBSERVATION = "b960c06d-4bfc-4bea-bc53-aec0600409b1";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_MACHINE_OBSERVATION = "b12a13fc-0f61-4055-b9b7-4eabd417c54c";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_TISSUE_SAMPLE = "3ad39d74-9bb3-4f9c-b261-8f5637bef582";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_DNA_SAMPLE = "6a724560-bdfa-41c9-b459-ab0f1fc74902";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_MEDIA = "0efa6b3e-e67a-49d4-a758-f3fc688901a7";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_STILL_IMAGE = "a8d9ada5-7f22-4fcf-8693-ae68d527289b";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_MOVING_IMAGE = "56722418-9398-4367-afa1-46982fb93959";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_SOUND_RECORDING = "2a39ec19-4aae-4b74-bc5c-578c5dc94e7d";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_MULTIMEDIA = "bfe3fef8-d294-4554-847a-c9d8a6b74313";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_MATERIAL_SAMPLE = "d6395063-63b3-485f-87d1-8b2eaf224a33";

const UUID_SPECIMEN_OR_OBSERVATION_TYPE_FIELD_UNIT = "d38d22db-17f9-45ba-a32f-32393788726f";

  module_load_include('inc', 'cdm_dataportal', 'includes/symbols');

    return '<div class="unit-header ' . $focused_attribute .'"><div class="unit-label' . $hover_effect_attribute .' "><span class="">' . symbol_for_base_of_record($sob_dto->recordBase->uuid). '</span> ' . $sob_dto->label . $icon_link_markup . '</div></div>';

<?php

/**

 * @file

 * Functions und constants providing symbols

 *

 * @see http://www.mozilla.org/MPL/MPL-1.1.html

 *

 * @copyright

 *   (C) 2007-2021 EDIT

 *   European Distributed Institute of Taxonomy

 *   http://www.e-taxonomy.eu

 *

 *   The contents of this module are subject to the Mozilla

 *   Public License Version 1.1.

 * @author

 *   - Andreas Kohlbecker <a.kohlbecker@BGBM.org>

 */

/**

 * @param $base_of_record_uuid

 *  The UUID of the SpecimenOrObservationType

 *

 * @return String

 *  Markup for a font awesome icon

 */

function symbol_for_base_of_record($base_of_record_uuid){

  switch($base_of_record_uuid){

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_PRESERVEDSPECIMEN :

      $fa_icon_name = 'leaf'; // TODO 'pagelines'

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_FOSSIL :

      $fa_icon_name = 'bone';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_LIVING_SPECIMEN :

      $fa_icon_name = 'tree';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_OBSERVATION :

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_MACHINE_OBSERVATION :

      $fa_icon_name = 'binoculars';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_HUMAN_OBSERVATION :

      $fa_icon_name = 'eye';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_TISSUE_SAMPLE :

      $fa_icon_name = 'cut';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_DNA_SAMPLE :

      $fa_icon_name = 'dna';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_STILL_IMAGE :

      $fa_icon_name = 'image';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_MOVING_IMAGE :

      $fa_icon_name = 'film';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_SOUND_RECORDING :

      $fa_icon_name = 'microphone';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_MEDIA :

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_MULTIMEDIA :

      $fa_icon_name = 'photo-video';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_FIELD_UNIT :

      $fa_icon_name = 'mountain';

      break;

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_MATERIAL_SAMPLE :

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_UNKNOWN :

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_OTHER_SPECIMEN :

    case UUID_SPECIMEN_OR_OBSERVATION_TYPE_DERIVEDUNIT :

    default:

      $fa_icon_name = 'cube'; // or 'archive'

  }

  return font_awesome_icon_markup('fa-'.$fa_icon_name);

}