{"title":"新墨西哥州圣胡安盆地的白垩纪-始新世鳄鱼","authors":"S. Lucas","doi":"10.56577/ffc-43.257","DOIUrl":null,"url":null,"abstract":"-Crocodilian fossils from the Fruitland, Kirtland, Nacimiento and San Jose Formations in the San Juan Basin (Upper Cretaceous-lower Eocene) represent the genera Akanthosuchus (Nacimiento Formation), Allognathosuchus (Nacimiento and San Jose Formations), Brachychampsa (Fruitland and Kirtland Formations), Diplocynodon (Nacimiento Formation), Goniopholis (Fruitland and Kirtland Formations), Leid_vosuchus (Fruit land. Kirtland, Nacimiento and San Jose Formations) and Thoracosaurus 9 (Fruitland Formation). The San Juan Basin taxa document some evolutionary turnover in crocodilians at the Cretaceous-Tertiary boundary and suggest that the feeding ecology of extant crocodilians was present among the Late Cretaceous-early Eocene crocodilians.","PeriodicalId":325871,"journal":{"name":"San Juan Basin IV","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"Cretaceous-Eocene crocodilians from the San Juan Basin, New Mexico\",\"authors\":\"S. Lucas\",\"doi\":\"10.56577/ffc-43.257\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"-Crocodilian fossils from the Fruitland, Kirtland, Nacimiento and San Jose Formations in the San Juan Basin (Upper Cretaceous-lower Eocene) represent the genera Akanthosuchus (Nacimiento Formation), Allognathosuchus (Nacimiento and San Jose Formations), Brachychampsa (Fruitland and Kirtland Formations), Diplocynodon (Nacimiento Formation), Goniopholis (Fruitland and Kirtland Formations), Leid_vosuchus (Fruit land. Kirtland, Nacimiento and San Jose Formations) and Thoracosaurus 9 (Fruitland Formation). The San Juan Basin taxa document some evolutionary turnover in crocodilians at the Cretaceous-Tertiary boundary and suggest that the feeding ecology of extant crocodilians was present among the Late Cretaceous-early Eocene crocodilians.\",\"PeriodicalId\":325871,\"journal\":{\"name\":\"San Juan Basin IV\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"San Juan Basin IV\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.56577/ffc-43.257\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"San Juan Basin IV","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56577/ffc-43.257","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Cretaceous-Eocene crocodilians from the San Juan Basin, New Mexico
-Crocodilian fossils from the Fruitland, Kirtland, Nacimiento and San Jose Formations in the San Juan Basin (Upper Cretaceous-lower Eocene) represent the genera Akanthosuchus (Nacimiento Formation), Allognathosuchus (Nacimiento and San Jose Formations), Brachychampsa (Fruitland and Kirtland Formations), Diplocynodon (Nacimiento Formation), Goniopholis (Fruitland and Kirtland Formations), Leid_vosuchus (Fruit land. Kirtland, Nacimiento and San Jose Formations) and Thoracosaurus 9 (Fruitland Formation). The San Juan Basin taxa document some evolutionary turnover in crocodilians at the Cretaceous-Tertiary boundary and suggest that the feeding ecology of extant crocodilians was present among the Late Cretaceous-early Eocene crocodilians.
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