Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1978056305', 'doi': 'https://doi.org/10.1016/j.cretres.2014.06.009', 'title': 'Earliest record of semi-aquatic fern leaves (Family Marsileaceae) in the Mesozoic of Eurasia (Lower Cretaceous, Spain)', 'display_name': 'Earliest record of semi-aquatic fern leaves (Family Marsileaceae) in the Mesozoic of Eurasia (Lower Cretaceous, Spain)', 'publication_year': 2014, 'publication_date': '2014-07-12', 'ids': {'openalex': 'https://openalex.org/W1978056305', 'doi': 'https://doi.org/10.1016/j.cretres.2014.06.009', 'mag': '1978056305'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.cretres.2014.06.009', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S48852984', 'display_name': 'Cretaceous Research', 'issn_l': '0195-6671', 'issn': ['0195-6671', '1095-998X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5007378218', 'display_name': 'Luis Miguel Sender', 'orcid': 'https://orcid.org/0000-0002-7279-049X'}, 'institutions': [{'id': 'https://openalex.org/I4210102139', 'display_name': 'Museum of Paleontology Egidio Feruglio', 'ror': 'https://ror.org/01bvz2w43', 'country_code': 'AR', 'type': 'archive', 'lineage': ['https://openalex.org/I4210102139']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Luis M. Sender', 'raw_affiliation_strings': ['Museo Paleontológico Egidio Feruglio, Ave. Fontana 140, 9100 Trelew, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Museo Paleontológico Egidio Feruglio, Ave. Fontana 140, 9100 Trelew, Argentina', 'institution_ids': ['https://openalex.org/I4210102139']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5030706748', 'display_name': 'Uxue Villanueva‐Amadoz', 'orcid': 'https://orcid.org/0000-0002-5189-5911'}, 'institutions': [{'id': 'https://openalex.org/I4061448', 'display_name': 'Universidad de Sonora', 'ror': 'https://ror.org/00c32gy34', 'country_code': 'MX', 'type': 'education', 'lineage': ['https://openalex.org/I4061448']}], 'countries': ['MX'], 'is_corresponding': False, 'raw_author_name': 'Uxue Villanueva-Amadoz', 'raw_affiliation_strings': ['Estación Regional del Noroeste, Instituto de Geología, UNAM, L.D. Colosio y Madrid S/N, Campus Unison, Apartado Postal 1039, 83000 Hermosillo (Sonora), Mexico'], 'affiliations': [{'raw_affiliation_string': 'Estación Regional del Noroeste, Instituto de Geología, UNAM, L.D. Colosio y Madrid S/N, Campus Unison, Apartado Postal 1039, 83000 Hermosillo (Sonora), Mexico', 'institution_ids': ['https://openalex.org/I4061448']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5013955850', 'display_name': 'José B. Diez', 'orcid': 'https://orcid.org/0000-0001-5739-7270'}, 'institutions': [{'id': 'https://openalex.org/I6289922', 'display_name': 'Universidade de Vigo', 'ror': 'https://ror.org/05rdf8595', 'country_code': 'ES', 'type': 'education', 'lineage': ['https://openalex.org/I6289922']}], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'José B. Diez', 'raw_affiliation_strings': ['Departamento de Xeociencias Mariñas e Ordenación do Território, Facultade de Ciencias do Mar, Universidade de Vigo, 36310 Vigo, Spain'], 'affiliations': [{'raw_affiliation_string': 'Departamento de Xeociencias Mariñas e Ordenación do Território, Facultade de Ciencias do Mar, Universidade de Vigo, 36310 Vigo, Spain', 'institution_ids': ['https://openalex.org/I6289922']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5025054936', 'display_name': 'Fidel Torcida Fernández‐Baldor', 'orcid': 'https://orcid.org/0000-0003-4616-1777'}, 'institutions': [], 'countries': ['ES'], 'is_corresponding': False, 'raw_author_name': 'Fidel Torcida Fernández-Baldor', 'raw_affiliation_strings': ['Colectivo Arqueológico-Paleontológico Salense, C.A.S, Museo de Dinosaurios de Salas de los Infantes. Pza. Jesús Aparicio, 9, 09600 Salas de los Infantes, Burgos, Spain'], 'affiliations': [{'raw_affiliation_string': 'Colectivo Arqueológico-Paleontológico Salense, C.A.S, Museo de Dinosaurios de Salas de los Infantes. Pza. Jesús Aparicio, 9, 09600 Salas de los Infantes, Burgos, Spain', 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5103070106', 'display_name': 'Javier Ferrer', 'orcid': 'https://orcid.org/0000-0002-2641-7109'}, 'institutions': [{'id': 'https://openalex.org/I4210102139', 'display_name': 'Museum of Paleontology Egidio Feruglio', 'ror': 'https://ror.org/01bvz2w43', 'country_code': 'AR', 'type': 'archive', 'lineage': ['https://openalex.org/I4210102139']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Javier Ferrer', 'raw_affiliation_strings': ['Museo Paleontológico Egidio Feruglio, Ave. Fontana 140, 9100 Trelew, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Museo Paleontológico Egidio Feruglio, Ave. Fontana 140, 9100 Trelew, Argentina', 'institution_ids': ['https://openalex.org/I4210102139']}]}], 'institution_assertions': [], 'countries_distinct_count': 3, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3140, 'currency': 'USD', 'value_usd': 3140, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.337, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 5, 'citation_normalized_percentile': {'value': 0.747337, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 81, 'max': 82}, 'biblio': {'volume': '51', 'issue': None, 'first_page': '241', 'last_page': '247'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9999, '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'}}, 'topics': [{'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9999, '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/T14049', 'display_name': 'Plant and Fungal Species Descriptions', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T12359', 'display_name': 'Fern and Epiphyte Biology', 'score': 0.9996, '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'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C12294951', 'wikidata': 'https://www.wikidata.org/wiki/Q44626', 'display_name': 'Cretaceous', 'level': 2, 'score': 0.96139646}, {'id': 'https://openalex.org/C202783661', 'wikidata': 'https://www.wikidata.org/wiki/Q83222', 'display_name': 'Mesozoic', 'level': 3, 'score': 0.8779794}, {'id': 'https://openalex.org/C2776985847', 'wikidata': 'https://www.wikidata.org/wiki/Q80005', 'display_name': 'Fern', 'level': 2, 'score': 0.8442528}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.6250839}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.59174097}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.21954757}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.19662261}, {'id': 'https://openalex.org/C109007969', 'wikidata': 'https://www.wikidata.org/wiki/Q749565', 'display_name': 'Structural basin', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.cretres.2014.06.009', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S48852984', 'display_name': 'Cretaceous Research', 'issn_l': '0195-6671', 'issn': ['0195-6671', '1095-998X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.51, 'id': 'https://metadata.un.org/sdg/15', 'display_name': 'Life on land'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 51, 'referenced_works': ['https://openalex.org/W1565681752', 'https://openalex.org/W1967443952', 'https://openalex.org/W1973714774', 'https://openalex.org/W1975893359', 'https://openalex.org/W1981841294', 'https://openalex.org/W1982105130', 'https://openalex.org/W1982304274', 'https://openalex.org/W1982832131', 'https://openalex.org/W1983853317', 'https://openalex.org/W1985600981', 'https://openalex.org/W1992060766', 'https://openalex.org/W1994341504', 'https://openalex.org/W1998420479', 'https://openalex.org/W2000325631', 'https://openalex.org/W2002138016', 'https://openalex.org/W2005765984', 'https://openalex.org/W2014108132', 'https://openalex.org/W2020880676', 'https://openalex.org/W2021237277', 'https://openalex.org/W2023425829', 'https://openalex.org/W2026133672', 'https://openalex.org/W2033878002', 'https://openalex.org/W2041552317', 'https://openalex.org/W2049896126', 'https://openalex.org/W2052194998', 'https://openalex.org/W2053183794', 'https://openalex.org/W2066137243', 'https://openalex.org/W2069015403', 'https://openalex.org/W2078455790', 'https://openalex.org/W2088244281', 'https://openalex.org/W2088444610', 'https://openalex.org/W2088950921', 'https://openalex.org/W2089458680', 'https://openalex.org/W2102600043', 'https://openalex.org/W2117657287', 'https://openalex.org/W2139784986', 'https://openalex.org/W2139979050', 'https://openalex.org/W2163411427', 'https://openalex.org/W2166400530', 'https://openalex.org/W2171157369', 'https://openalex.org/W2178794593', 'https://openalex.org/W2344940338', 'https://openalex.org/W2795757806', 'https://openalex.org/W2915650408', 'https://openalex.org/W3041245042', 'https://openalex.org/W3152178048', 'https://openalex.org/W3183556138', 'https://openalex.org/W4249932357', 'https://openalex.org/W4301723170', 'https://openalex.org/W626917651', 'https://openalex.org/W72031481'], 'related_works': ['https://openalex.org/W3191324057', 'https://openalex.org/W3048320721', 'https://openalex.org/W2808650887', 'https://openalex.org/W2598891006', 'https://openalex.org/W2487149291', 'https://openalex.org/W2325222095', 'https://openalex.org/W2139630730', 'https://openalex.org/W2139045931', 'https://openalex.org/W2044827810', 'https://openalex.org/W1978056305'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1978056305', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-12-11T00:03:47.686697', 'created_date': '2016-06-24'}