Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2560365411', 'doi': 'https://doi.org/10.1002/bies.201600120', 'title': 'The origin of animals: Can molecular clocks and the fossil record be reconciled?', 'display_name': 'The origin of animals: Can molecular clocks and the fossil record be reconciled?', 'publication_year': 2016, 'publication_date': '2016-12-05', 'ids': {'openalex': 'https://openalex.org/W2560365411', 'doi': 'https://doi.org/10.1002/bies.201600120', 'mag': '2560365411', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/27918074'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/bies.201600120', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S27819959', 'display_name': 'BioEssays', 'issn_l': '0265-9247', 'issn': ['0265-9247', '1521-1878'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'review', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'hybrid', 'oa_url': 'https://doi.org/10.1002/bies.201600120', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5002228169', 'display_name': 'John A. Cunningham', 'orcid': 'https://orcid.org/0000-0002-2870-1832'}, 'institutions': [{'id': 'https://openalex.org/I36234482', 'display_name': 'University of Bristol', 'ror': 'https://ror.org/0524sp257', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I36234482']}, {'id': 'https://openalex.org/I2801711128', 'display_name': 'Swedish Museum of Natural History', 'ror': 'https://ror.org/05k323c76', 'country_code': 'SE', 'type': 'archive', 'lineage': ['https://openalex.org/I2801711128']}], 'countries': ['GB', 'SE'], 'is_corresponding': True, 'raw_author_name': 'John A. Cunningham', 'raw_affiliation_strings': ['Department of Palaeobiology and Nordic Center for Earth Evolution, Swedish Museum of Natural History, Stockholm, Sweden', 'School of Earth Sciences, University of Bristol, Bristol, UK'], 'affiliations': [{'raw_affiliation_string': 'School of Earth Sciences, University of Bristol, Bristol, UK', 'institution_ids': ['https://openalex.org/I36234482']}, {'raw_affiliation_string': 'Department of Palaeobiology and Nordic Center for Earth Evolution, Swedish Museum of Natural History, Stockholm, Sweden', 'institution_ids': ['https://openalex.org/I2801711128']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5001277622', 'display_name': 'Alexander Liu', 'orcid': 'https://orcid.org/0000-0002-3985-982X'}, 'institutions': [{'id': 'https://openalex.org/I36234482', 'display_name': 'University of Bristol', 'ror': 'https://ror.org/0524sp257', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I36234482']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Alexander G. Liu', 'raw_affiliation_strings': ['School of Earth Sciences, University of Bristol, Bristol, UK'], 'affiliations': [{'raw_affiliation_string': 'School of Earth Sciences, University of Bristol, Bristol, UK', 'institution_ids': ['https://openalex.org/I36234482']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5081925839', 'display_name': 'Stefan Bengtson', 'orcid': 'https://orcid.org/0000-0003-0206-5791'}, 'institutions': [{'id': 'https://openalex.org/I2801711128', 'display_name': 'Swedish Museum of Natural History', 'ror': 'https://ror.org/05k323c76', 'country_code': 'SE', 'type': 'archive', 'lineage': ['https://openalex.org/I2801711128']}], 'countries': ['SE'], 'is_corresponding': False, 'raw_author_name': 'Stefan Bengtson', 'raw_affiliation_strings': ['Department of Palaeobiology and Nordic Center for Earth Evolution, Swedish Museum of Natural History, Stockholm, Sweden'], 'affiliations': [{'raw_affiliation_string': 'Department of Palaeobiology and Nordic Center for Earth Evolution, Swedish Museum of Natural History, Stockholm, Sweden', 'institution_ids': ['https://openalex.org/I2801711128']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5080454473', 'display_name': 'Philip C. J. Donoghue', 'orcid': 'https://orcid.org/0000-0003-3116-7463'}, 'institutions': [{'id': 'https://openalex.org/I36234482', 'display_name': 'University of Bristol', 'ror': 'https://ror.org/0524sp257', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I36234482']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'Philip C. J. Donoghue', 'raw_affiliation_strings': ['School of Earth Sciences, University of Bristol, Bristol, UK'], 'affiliations': [{'raw_affiliation_string': 'School of Earth Sciences, University of Bristol, Bristol, UK', 'institution_ids': ['https://openalex.org/I36234482']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': ['https://openalex.org/A5002228169'], 'corresponding_institution_ids': ['https://openalex.org/I36234482', 'https://openalex.org/I2801711128'], 'apc_list': {'value': 4840, 'currency': 'USD', 'value_usd': 4840, 'provenance': 'doaj'}, 'apc_paid': {'value': 4840, 'currency': 'USD', 'value_usd': 4840, 'provenance': 'doaj'}, 'fwci': 3.83, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 165, 'citation_normalized_percentile': {'value': 0.711111, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '39', 'issue': '1', 'first_page': '1', 'last_page': '12'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10765', 'display_name': 'Marine Biology and Ecology Research', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10765', 'display_name': 'Marine Biology and Ecology Research', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12596', 'display_name': 'Cephalopods and Marine Biology', 'score': 0.9983, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T10109', 'display_name': 'Paleontology and Stratigraphy of Fossils', 'score': 0.9976, 'subfield': {'id': 'https://openalex.org/subfields/1911', 'display_name': 'Paleontology'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/molecular-clock', 'display_name': 'Molecular clock', 'score': 0.8610364}, {'id': 'https://openalex.org/keywords/fossil-record', 'display_name': 'Fossil Record', 'score': 0.82992625}, {'id': 'https://openalex.org/keywords/identification', 'display_name': 'Identification', 'score': 0.5677501}], 'concepts': [{'id': 'https://openalex.org/C196662502', 'wikidata': 'https://www.wikidata.org/wiki/Q827541', 'display_name': 'Molecular clock', 'level': 4, 'score': 0.8610364}, {'id': 'https://openalex.org/C2776110070', 'wikidata': 'https://www.wikidata.org/wiki/Q2455930', 'display_name': 'Fossil Record', 'level': 2, 'score': 0.82992625}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.69509816}, {'id': 'https://openalex.org/C91066513', 'wikidata': 'https://www.wikidata.org/wiki/Q38348', 'display_name': 'Phylum', 'level': 3, 'score': 0.6902574}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.6468387}, {'id': 'https://openalex.org/C78458016', 'wikidata': 'https://www.wikidata.org/wiki/Q840400', 'display_name': 'Evolutionary biology', 'level': 1, 'score': 0.599222}, {'id': 'https://openalex.org/C116834253', 'wikidata': 'https://www.wikidata.org/wiki/Q2039217', 'display_name': 'Identification (biology)', 'level': 2, 'score': 0.5677501}, {'id': 'https://openalex.org/C2988562018', 'wikidata': 'https://www.wikidata.org/wiki/Q1063', 'display_name': 'Biological evolution', 'level': 2, 'score': 0.43831345}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.40534782}, {'id': 'https://openalex.org/C90856448', 'wikidata': 'https://www.wikidata.org/wiki/Q431', 'display_name': 'Zoology', 'level': 1, 'score': 0.39472556}, {'id': 'https://openalex.org/C90132467', 'wikidata': 'https://www.wikidata.org/wiki/Q171184', 'display_name': 'Phylogenetics', 'level': 3, 'score': 0.3089541}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.14382264}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C523546767', 'wikidata': 'https://www.wikidata.org/wiki/Q10876', 'display_name': 'Bacteria', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D005075', 'descriptor_name': 'Biological Evolution', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D005580', 'descriptor_name': 'Fossils', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D010802', 'descriptor_name': 'Phylogeny', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013995', 'descriptor_name': 'Time', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 7, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/bies.201600120', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S27819959', 'display_name': 'BioEssays', 'issn_l': '0265-9247', 'issn': ['0265-9247', '1521-1878'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.dora.lib4ri.ch/psi/islandora/object/psi%3A5632', 'pdf_url': 'https://www.dora.lib4ri.ch/psi/islandora/object/psi%3A5632/datastream/PDF/Cunningham-2017-The_origin_of_animals-%28published_version%29.pdf', 'source': {'id': 'https://openalex.org/S4306402574', 'display_name': 'DORA PSI (Paul Scherrer Institute)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I2802229908', 'host_organization_name': 'Paul Scherrer Institute', 'host_organization_lineage': ['https://openalex.org/I2802229908'], 'host_organization_lineage_names': ['Paul Scherrer Institute'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.repository.cam.ac.uk/handle/1810/261826', 'pdf_url': 'https://www.repository.cam.ac.uk/bitstreams/0b610be5-b72b-4ed2-bc3d-3d42ad7869fa/download', 'source': {'id': 'https://openalex.org/S4306401777', 'display_name': 'Apollo (University of Cambridge)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I241749', 'host_organization_name': 'University of Cambridge', 'host_organization_lineage': ['https://openalex.org/I241749'], 'host_organization_lineage_names': ['University of Cambridge'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://hdl.handle.net/1983/e48e0baf-cd4e-45b5-9627-6927bdb9e509', 'pdf_url': 'https://research-information.bris.ac.uk/files/94867212/Cunningham_et_al_2016_BioEssays.pdf', 'source': {'id': 'https://openalex.org/S4306400895', 'display_name': 'Bristol Research (University of Bristol)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I36234482', 'host_organization_name': 'University of Bristol', 'host_organization_lineage': ['https://openalex.org/I36234482'], 'host_organization_lineage_names': ['University of Bristol'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://urn.kb.se/resolve?urn=urn:nbn:se:nrm:diva-2002', 'pdf_url': 'https://nrm.diva-portal.org/smash/get/diva2:1052320/FULLTEXT01', 'source': {'id': 'https://openalex.org/S4306401559', 'display_name': 'KTH Publication Database DiVA (KTH Royal Institute of Technology)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://research-information.bris.ac.uk/ws/files/94867212/Cunningham_et_al_2016_BioEssays.pdf', 'pdf_url': 'https://research-information.bris.ac.uk/ws/files/94867212/Cunningham_et_al_2016_BioEssays.pdf', 'source': {'id': 'https://openalex.org/S4306400895', 'display_name': 'Bristol Research (University of Bristol)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I36234482', 'host_organization_name': 'University of Bristol', 'host_organization_lineage': ['https://openalex.org/I36234482'], 'host_organization_lineage_names': ['University of Bristol'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/27918074', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1002/bies.201600120', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S27819959', 'display_name': 'BioEssays', 'issn_l': '0265-9247', 'issn': ['0265-9247', '1521-1878'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'display_name': 'Life on land', 'id': 'https://metadata.un.org/sdg/15', 'score': 0.42}], 'grants': [{'funder': 'https://openalex.org/F4320320943', 'funder_display_name': 'Danmarks Grundforskningsfond', 'award_id': 'DNRF53'}, {'funder': 'https://openalex.org/F4320322581', 'funder_display_name': 'Vetenskapsrådet', 'award_id': '2013‐4290'}, {'funder': 'https://openalex.org/F4320334631', 'funder_display_name': 'Natural Environment Research Council', 'award_id': 'NE/F00348X/1'}], 'datasets': [], 'versions': [], 'referenced_works_count': 138, 'referenced_works': ['https://openalex.org/W1529107977', 'https://openalex.org/W1542258599', 'https://openalex.org/W1545570896', 'https://openalex.org/W1563855092', 'https://openalex.org/W1577075652', 'https://openalex.org/W1625965622', 'https://openalex.org/W1634598038', 'https://openalex.org/W1731823274', 'https://openalex.org/W1786743147', 'https://openalex.org/W1821999370', 'https://openalex.org/W1839523861', 'https://openalex.org/W1841429278', 'https://openalex.org/W1858638980', 'https://openalex.org/W1895391825', 'https://openalex.org/W1923231248', 'https://openalex.org/W1933416489', 'https://openalex.org/W1960006776', 'https://openalex.org/W1962669040', 'https://openalex.org/W1972083608', 'https://openalex.org/W1975021622', 'https://openalex.org/W1978097234', 'https://openalex.org/W1980460712', 'https://openalex.org/W1981738126', 'https://openalex.org/W1985565047', 'https://openalex.org/W1986063931', 'https://openalex.org/W1988006132', 'https://openalex.org/W1990323143', 'https://openalex.org/W1992667083', 'https://openalex.org/W1993018878', 'https://openalex.org/W1993774203', 'https://openalex.org/W2002336141', 'https://openalex.org/W2003677337', 'https://openalex.org/W2004614425', 'https://openalex.org/W2006780579', 'https://openalex.org/W2012437090', 'https://openalex.org/W2016049452', 'https://openalex.org/W2016642943', 'https://openalex.org/W2020955927', 'https://openalex.org/W2022598118', 'https://openalex.org/W2023314228', 'https://openalex.org/W2027347467', 'https://openalex.org/W2029378460', 'https://openalex.org/W2032470645', 'https://openalex.org/W2033542480', 'https://openalex.org/W2035683202', 'https://openalex.org/W2036616803', 'https://openalex.org/W203670334', 'https://openalex.org/W2038129860', 'https://openalex.org/W2039879168', 'https://openalex.org/W2041612616', 'https://openalex.org/W2043738902', 'https://openalex.org/W2047869357', 'https://openalex.org/W2051312223', 'https://openalex.org/W2052351710', 'https://openalex.org/W2054982728', 'https://openalex.org/W2056131999', 'https://openalex.org/W2057246172', 'https://openalex.org/W2059021451', 'https://openalex.org/W2061352595', 'https://openalex.org/W2065750702', 'https://openalex.org/W2070443686', 'https://openalex.org/W2073204544', 'https://openalex.org/W2073379635', 'https://openalex.org/W2073499952', 'https://openalex.org/W2076514478', 'https://openalex.org/W2080983808', 'https://openalex.org/W2084927468', 'https://openalex.org/W2097855688', 'https://openalex.org/W2097941685', 'https://openalex.org/W2098659766', 'https://openalex.org/W2099210656', 'https://openalex.org/W2104409229', 'https://openalex.org/W2104498515', 'https://openalex.org/W2105844326', 'https://openalex.org/W2111414198', 'https://openalex.org/W2112768399', 'https://openalex.org/W2117936931', 'https://openalex.org/W2118715042', 'https://openalex.org/W2118759798', 'https://openalex.org/W2119837484', 'https://openalex.org/W2121607882', 'https://openalex.org/W2124772083', 'https://openalex.org/W2124924836', 'https://openalex.org/W2126947740', 'https://openalex.org/W2127103542', 'https://openalex.org/W2127207904', 'https://openalex.org/W2127681197', 'https://openalex.org/W2128337129', 'https://openalex.org/W2130095841', 'https://openalex.org/W2135984221', 'https://openalex.org/W2139532522', 'https://openalex.org/W2141718420', 'https://openalex.org/W2143074018', 'https://openalex.org/W2144647966', 'https://openalex.org/W2147564739', 'https://openalex.org/W2147722190', 'https://openalex.org/W2148013742', 'https://openalex.org/W2148377177', 'https://openalex.org/W2151233804', 'https://openalex.org/W2159597448', 'https://openalex.org/W2160214024', 'https://openalex.org/W2161156333', 'https://openalex.org/W2164026798', 'https://openalex.org/W2164211634', 'https://openalex.org/W2164214415', 'https://openalex.org/W2168077025', 'https://openalex.org/W2168463034', 'https://openalex.org/W2172581606', 'https://openalex.org/W2174203773', 'https://openalex.org/W2179498155', 'https://openalex.org/W2180970558', 'https://openalex.org/W2185492685', 'https://openalex.org/W2188235066', 'https://openalex.org/W2190160250', 'https://openalex.org/W2193987013', 'https://openalex.org/W2205282852', 'https://openalex.org/W2207288795', 'https://openalex.org/W2260367317', 'https://openalex.org/W2261518127', 'https://openalex.org/W2267531769', 'https://openalex.org/W2274921153', 'https://openalex.org/W2307496076', 'https://openalex.org/W2315703678', 'https://openalex.org/W2318212640', 'https://openalex.org/W2332907031', 'https://openalex.org/W2341660393', 'https://openalex.org/W2344771190', 'https://openalex.org/W2400748524', 'https://openalex.org/W2411436176', 'https://openalex.org/W2517374294', 'https://openalex.org/W2531692383', 'https://openalex.org/W2883512297', 'https://openalex.org/W3151217479', 'https://openalex.org/W4235889006', 'https://openalex.org/W4253297146', 'https://openalex.org/W4299541734', 'https://openalex.org/W584771874', 'https://openalex.org/W596555667'], 'related_works': ['https://openalex.org/W4243644010', 'https://openalex.org/W2959250227', 'https://openalex.org/W2560365411', 'https://openalex.org/W2167377585', 'https://openalex.org/W2119179804', 'https://openalex.org/W2117845542', 'https://openalex.org/W2070908566', 'https://openalex.org/W2051714097', 'https://openalex.org/W2015698595', 'https://openalex.org/W1987837873'], 'abstract_inverted_index': {'The': [0], 'evolutionary': [1], 'emergence': [2], 'of': [3, 7, 15, 72, 75, 91, 98, 101, 106, 121, 131, 147, 154, 159], 'animals': [4, 27], 'is': [5, 61], 'one': [6], 'the': [8, 13, 37, 44, 54, 70, 73, 80, 99, 127, 135, 142, 155], 'most': [9, 76], 'significant': [10], 'episodes': [11], 'in': [12, 43, 79, 141], 'history': [14], 'life,': [16], 'but': [17, 119], 'its': [18], 'timing': [19], 'remains': [20], 'poorly': [21], 'constrained.': [22], 'Molecular': [23], 'clocks': [24], 'estimate': [25], 'that': [26, 50], 'originated': [28], 'and': [29, 53, 95, 134, 157], 'began': [30], 'diversifying': [31], 'over': [32], '100': [33], 'million': [34], 'years': [35], 'before': [36], 'first': [38], 'definitive': [39], 'metazoan': [40], 'fossil': [41, 55, 143], 'evidence': [42], 'Cambrian.': [45], 'However,': [46], 'closer': [47], 'inspection': [48], 'reveals': [49], 'clock': [51, 65], 'estimates': [52], 'record': [56], 'are': [57], 'less': [58], 'divergent': [59], 'than': [60], 'often': [62], 'claimed.': [63], 'Modern': [64], 'analyses': [66], 'do': [67], 'not': [68], 'predict': [69], 'presence': [71], 'crown‐representatives': [74], 'animal': [77, 161], 'phyla': [78], 'Neoproterozoic.': [81], 'Furthermore,': [82], 'despite': [83], 'challenges': [84], 'provided': [85], 'by': [86, 126], 'incomplete': [87], 'preservation,': [88], 'a': [89, 104], 'paucity': [90], 'phylogenetically': [92], 'informative': [93], 'characters,': [94], 'uncertain': [96], 'expectations': [97], 'anatomy': [100], 'early': [102, 132, 160], 'animals,': [103], 'number': [105], 'Neoproterozoic': [107], 'fossils': [108], 'can': [109, 123], 'reasonably': [110], 'be': [111, 124], 'interpreted': [112], 'as': [113], 'metazoans.': [114], 'A': [115], 'considerable': [116], 'discrepancy': [117], 'remains,': [118], 'much': [120], 'this': [122], 'explained': [125], 'limited': [128], 'preservation': [129], 'potential': [130], 'metazoans': [133], 'difficulties': [136], 'associated': [137], 'with': [138], 'their': [139], 'identification': [140], 'record.': [144], 'Critical': [145], 'assessment': [146], 'both': [148], 'records': [149], 'may': [150], 'permit': [151], 'better': [152], 'resolution': [153], 'tempo': [156], 'mode': [158], 'evolution.': [162]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2560365411', 'counts_by_year': [{'year': 2024, 'cited_by_count': 16}, {'year': 2023, 'cited_by_count': 17}, {'year': 2022, 'cited_by_count': 16}, {'year': 2021, 'cited_by_count': 24}, {'year': 2020, 'cited_by_count': 19}, {'year': 2019, 'cited_by_count': 29}, {'year': 2018, 'cited_by_count': 22}, {'year': 2017, 'cited_by_count': 19}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}], 'updated_date': '2024-12-13T04:42:43.970005', 'created_date': '2016-12-16'}