Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2162097780', 'doi': 'https://doi.org/10.1080/01916122.1989.9989357', 'title': 'Late cretaceous megaspores from southern Sweden: Morphology and paleoenvironmental significance', 'display_name': 'Late cretaceous megaspores from southern Sweden: Morphology and paleoenvironmental significance', 'publication_year': 1989, 'publication_date': '1989-12-01', 'ids': {'openalex': 'https://openalex.org/W2162097780', 'doi': 'https://doi.org/10.1080/01916122.1989.9989357', 'mag': '2162097780'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1080/01916122.1989.9989357', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S80110507', 'display_name': 'Palynology', 'issn_l': '0191-6122', 'issn': ['0191-6122', '1558-9188'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320547', 'host_organization_name': 'Taylor & Francis', 'host_organization_lineage': ['https://openalex.org/P4310320547'], 'host_organization_lineage_names': ['Taylor & Francis'], '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/A5053073652', 'display_name': 'Eva B. Koppelhus', 'orcid': 'https://orcid.org/0000-0003-1430-3662'}, 'institutions': [{'id': 'https://openalex.org/I2801979204', 'display_name': 'Geological Survey of Denmark and Greenland', 'ror': 'https://ror.org/01b40r146', 'country_code': 'DK', 'type': 'facility', 'lineage': ['https://openalex.org/I2801979204', 'https://openalex.org/I4210102581']}], 'countries': ['DK'], 'is_corresponding': False, 'raw_author_name': 'Eva B. Koppelhus', 'raw_affiliation_strings': ['Geological Survey of Denmark , Thoravej 8, Copenhagen , DK‐2400 , NV , Denmark'], 'affiliations': [{'raw_affiliation_string': 'Geological Survey of Denmark , Thoravej 8, Copenhagen , DK‐2400 , NV , Denmark', 'institution_ids': ['https://openalex.org/I2801979204']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5016560378', 'display_name': 'David J. Batten', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I195460627', 'display_name': 'University of Aberdeen', 'ror': 'https://ror.org/016476m91', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I195460627']}, {'id': 'https://openalex.org/I16038530', 'display_name': 'Aberystwyth University', 'ror': 'https://ror.org/015m2p889', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I16038530']}, {'id': 'https://openalex.org/I97429440', 'display_name': 'University of Wales', 'ror': 'https://ror.org/01se4f844', 'country_code': 'GB', 'type': 'education', 'lineage': ['https://openalex.org/I97429440']}], 'countries': ['GB'], 'is_corresponding': False, 'raw_author_name': 'David J. Batten', 'raw_affiliation_strings': ['Department of Geology and Mineralogy, Marischal College , Aberdeen University , Aberdeen , AB9 IAS , Scotland, United Kingdom', 'Institute of Earth Sciences , UCW University of Wales , Aberystwyth , SY23 3DB , United Kingdom'], 'affiliations': [{'raw_affiliation_string': 'Department of Geology and Mineralogy, Marischal College , Aberdeen University , Aberdeen , AB9 IAS , Scotland, United Kingdom', 'institution_ids': ['https://openalex.org/I195460627']}, {'raw_affiliation_string': 'Institute of Earth Sciences , UCW University of Wales , Aberystwyth , SY23 3DB , United Kingdom', 'institution_ids': ['https://openalex.org/I16038530', 'https://openalex.org/I97429440']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 1.401, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 31, 'citation_normalized_percentile': {'value': 0.885973, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 89, 'max': 90}, 'biblio': {'volume': '13', 'issue': '1', 'first_page': '91', 'last_page': '120'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10385', 'display_name': 'Plant Diversity and Evolution', 'score': 0.9997, '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': 0.9997, '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': 0.9995, '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'}}, {'id': 'https://openalex.org/T10017', 'display_name': 'Geology and Paleoclimatology Research', 'score': 0.9981, 'subfield': {'id': 'https://openalex.org/subfields/1902', 'display_name': 'Atmospheric Science'}, '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/megaspore', 'display_name': 'Megaspore', 'score': 0.84978306}], 'concepts': [{'id': 'https://openalex.org/C166131982', 'wikidata': 'https://www.wikidata.org/wiki/Q2330966', 'display_name': 'Megaspore', 'level': 4, 'score': 0.84978306}, {'id': 'https://openalex.org/C12294951', 'wikidata': 'https://www.wikidata.org/wiki/Q44626', 'display_name': 'Cretaceous', 'level': 2, 'score': 0.84013367}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.7942639}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.7182385}, {'id': 'https://openalex.org/C202783661', 'wikidata': 'https://www.wikidata.org/wiki/Q83222', 'display_name': 'Mesozoic', 'level': 3, 'score': 0.5457061}, {'id': 'https://openalex.org/C138170599', 'wikidata': 'https://www.wikidata.org/wiki/Q612133', 'display_name': 'Clastic rock', 'level': 3, 'score': 0.52626574}, {'id': 'https://openalex.org/C71640776', 'wikidata': 'https://www.wikidata.org/wiki/Q16521', 'display_name': 'Taxon', 'level': 2, 'score': 0.48984715}, {'id': 'https://openalex.org/C2780618852', 'wikidata': 'https://www.wikidata.org/wiki/Q79932', 'display_name': 'Pollen', 'level': 2, 'score': 0.47848815}, {'id': 'https://openalex.org/C155681218', 'wikidata': 'https://www.wikidata.org/wiki/Q193110', 'display_name': 'Floodplain', 'level': 2, 'score': 0.4358797}, {'id': 'https://openalex.org/C6494504', 'wikidata': 'https://www.wikidata.org/wiki/Q82480', 'display_name': 'Sedimentary rock', 'level': 2, 'score': 0.16842467}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.15339765}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.1436975}, {'id': 'https://openalex.org/C92324200', 'wikidata': 'https://www.wikidata.org/wiki/Q380138', 'display_name': 'Ovule', 'level': 3, 'score': 0.0}, {'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/10.1080/01916122.1989.9989357', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S80110507', 'display_name': 'Palynology', 'issn_l': '0191-6122', 'issn': ['0191-6122', '1558-9188'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320547', 'host_organization_name': 'Taylor & Francis', 'host_organization_lineage': ['https://openalex.org/P4310320547'], 'host_organization_lineage_names': ['Taylor & Francis'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/14', 'display_name': 'Life below water', 'score': 0.44}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 48, 'referenced_works': ['https://openalex.org/W141399008', 'https://openalex.org/W1964112263', 'https://openalex.org/W1988031360', 'https://openalex.org/W1997884646', 'https://openalex.org/W2006858377', 'https://openalex.org/W2010775996', 'https://openalex.org/W2014108132', 'https://openalex.org/W2014246091', 'https://openalex.org/W2016063197', 'https://openalex.org/W2021191607', 'https://openalex.org/W2022831210', 'https://openalex.org/W2025357938', 'https://openalex.org/W2029764146', 'https://openalex.org/W2037625387', 'https://openalex.org/W2055088296', 'https://openalex.org/W2058071632', 'https://openalex.org/W2071401810', 'https://openalex.org/W2087279755', 'https://openalex.org/W2088778729', 'https://openalex.org/W2097064965', 'https://openalex.org/W2102125982', 'https://openalex.org/W2129369297', 'https://openalex.org/W2164004464', 'https://openalex.org/W2166364130', 'https://openalex.org/W2168388459', 'https://openalex.org/W2312409013', 'https://openalex.org/W2312681818', 'https://openalex.org/W2317799538', 'https://openalex.org/W2322833403', 'https://openalex.org/W2331290121', 'https://openalex.org/W2404934742', 'https://openalex.org/W2411245269', 'https://openalex.org/W2469149385', 'https://openalex.org/W2748475360', 'https://openalex.org/W2982188040', 'https://openalex.org/W3003941240', 'https://openalex.org/W3169733995', 'https://openalex.org/W3207804794', 'https://openalex.org/W4244794018', 'https://openalex.org/W4245668787', 'https://openalex.org/W426848694', 'https://openalex.org/W4285719527', 'https://openalex.org/W4300497772', 'https://openalex.org/W4301266849', 'https://openalex.org/W563481275', 'https://openalex.org/W601206452', 'https://openalex.org/W651706851', 'https://openalex.org/W653084605'], 'related_works': ['https://openalex.org/W3048320721', 'https://openalex.org/W3008424032', 'https://openalex.org/W2808650887', 'https://openalex.org/W2318497676', 'https://openalex.org/W2139630730', 'https://openalex.org/W2058208322', 'https://openalex.org/W2044827810', 'https://openalex.org/W1978056305', 'https://openalex.org/W1571576053', 'https://openalex.org/W1565243639'], 'abstract_inverted_index': {'Abstract': [0], 'The': [1], 'poorly': [2], 'consolidated': [3], 'clastic': [4], 'sediments': [5], 'of': [6, 13, 23, 41, 47, 54, 77, 86, 137, 140, 149, 170], 'Late': [7, 87], 'Cretaceous': [8, 88], 'age': [9, 117], 'in': [10, 58, 101], 'the': [11, 21, 78, 82, 113, 125, 134, 138, 141, 158, 162, 167, 179], 'vicinity': [12], 'Asen,': [14], 'southern': [15], 'Sweden': [16], '(Scania)': [17], 'are': [18, 56, 74], 'noted': [19], 'for': [20, 124], 'variety': [22], 'fossil': [24], 'flowers': [25], 'and': [26, 45, 61, 71], 'Normapolles': [27], 'pollen': [28], 'grains': [29], 'they': [30, 144], 'have': [31, 34, 91], 'yielded.': [32], 'Megaspores': [33], 'also': [35], 'been': [36, 92, 122], 'recovered': [37], 'from': [38, 94, 133, 173], 'a': [39, 50, 98, 104], 'number': [40, 85], 'horizons.': [42], 'Comments': [43], 'on,': [44], 'illustrations': [46], 'all': [48], 'but': [49], 'few': [51, 99], 'indeterminate': [52], 'remains': [53], 'these': [55], 'provided': [57], 'this': [59], 'paper,': [60], 'four': [62], 'new': [63], 'species,': [64], 'Bacutriletes': [65], 'ferulus,': [66], 'B.': [67], 'majorinus,': [68], 'Erlan‐sonisporites': [69], 'scanicus': [70], 'E.': [72], 'septus,': [73], 'erected.': [75], 'Comparison': [76], 'total': [79], 'recovery': [80], 'with': [81], 'relatively': [83], 'small': [84], 'assemblages': [89], 'that': [90, 119, 143, 166], 'described': [93], 'elsewhere': [95], 'reveals': [96], 'only': [97], 'taxa': [100], 'common.': [102], 'As': [103], 'result,': [105], 'it': [106], 'is': [107, 129], 'not': [108], 'possible': [109], 'to': [110, 131, 175], 'improve': [111], 'on': [112], 'late': [114], 'Santonian‐early': [115], 'Campanian': [116], 'determination': [118], 'has': [120], 'already': [121], 'established': [123], 'Asen': [126, 159], 'deposits.': [127], 'It': [128], 'reasonable': [130], 'infer': [132], 'wall': [135], 'structure': [136], 'majority': [139], 'spores': [142], 'were': [145], 'shed': [146], 'by': [147], 'plants': [148], 'either': [150], 'selaginellalean': [151], 'or': [152], 'isoetalean': [153], 'affinity.': [154], 'Their': [155], 'distribution': [156], 'within': [157], 'sequence': [160], 'supports': [161], 'previously': [163], 'held': [164], 'view': [165], 'general': [168], 'environment': [169], 'deposition': [171], 'changed': [172], 'floodplain‐lacustrine': [174], 'predominantly': [176], 'fluviatile': [177], 'during': [178], 'time': [180], 'represented.': [181]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2162097780', 'counts_by_year': [{'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-12-11T11:52:12.191619', 'created_date': '2016-06-24'}