The Holly Creek Formation is a geologic formation in Arkansas . It preserves fossils dating back to the Cretaceous period which belong to the Trinity Group .[ 2]
Flora
Fauna
See also
References
^ Vanderpool, H.C. (1928). "A preliminary study of the Trinity group in southwestern Arkansas, southeastern Oklahoma, and northern Texas". Bulletin of the American Association of Petroleum Geologists . 12 : 1079– 1080. ^ Suarez, Celina A.; Frederickson, Joseph; Cifelli, Richard L.; Pittman, Jeffrey G.; Nydam, Randall L.; Hunt-Foster, ReBecca K.; Morgan, Kirsty (2021-10-21). "A new vertebrate fauna from the Lower Cretaceous Holly Creek Formation of the Trinity Group, southwest Arkansas, USA" . PeerJ . 9 : e12242. doi :10.7717/peerj.12242 ISSN 2167-8359 . PMC 8542373 PMID 34721970 . ^ AXSMITH, BRIAN J.; KRINGS, MICHAEL; WASELKOV, KATHERINE (February 2004). <0402:cpcftc>2.0.co;2 "Conifer Pollen Cones from the Cretaceous of Arkansas: Implications for Diversity and Reproduction in the Cheirolepidiaceae" . Journal of Paleontology . 78 (2): 402– 409. doi :10.1666/0022-3360(2004)078<0402:cpcftc>2.0.co;2 . ISSN 0022-3360 . S2CID 129310148 .
