Shawn P. Zack

Education

• Postdoctoral Fellowship: Anatomy, University of Arizona, 2012
• PhD: Anatomy, Johns Hopkins University, 2009

Publications

• Zack, SP (2026). A new species of Simidectes (Mammalia: Ferae) from the early Uintan of California and new evidence of the affinities of the genus. Historical Biology - Article, Refereed Journal –
• McCarroll, SM, Tomiya, S, Dunn, RH, Zack, SP, Wood, MC, Bai, B, Turnbull, WD, & Flynn, JJ (2025). An early to middle Uintan (Ui1b–Ui2) mammalian fauna from the upper unit of the middle Eocene Adobe Town Member, Washakie Formation (Wyoming, U.S.A.). Journal of Vertebrate Paleontology. Vol. 45, e2570730 - Article, Refereed Journal –
• Zack, SP, Rose, KD, & O'Leary, MA (2025). The once enigmatic early Eocene mammal Wyolestes (Mammalia, Ferae, Hyaenodonta) from North America, and phylogenetic evidence for its interordinal relationships. Bulletin of the American Museum of Natural History. Vol. 475, 1-173 - Article, Refereed Journal –
• Zack, SP & Penkrot, TA (2024). New material of Lophiparamys debequensis from the Willwood Formation (early Eocene) of Wyoming, including the first postcrania of the genus. Journal of Paleontology. Vol. 97, 1293-1308 - Article, Refereed Journal 
• Zack, SP, Poust, AW, & Wagner, HM (2022). Diegoaelurus, a new machaeroidine (Oxyaenidae) from the Santiago Formation (late Uintan) of southern California and the relationships of Machaeroidinae, the oldest group of sabertooth mammals. PeerJ. Vol. 10, e13032 - Article, Refereed Journal –
• Tomiya, S, Zack, SP, Spaulding, M, & Flynn, JJ (2021). Carnivorous mammals from the middle Eocene Washakie Formation, Wyoming, USA, and their diversity trajectory in a post-warming world. Journal of Paleontology. Vol. 95, Memoir 82, 1-115 - Article, Refereed Journal –
• Zack, SP, Rose, KD, Holbrook, LT, Kumar, K, Rana, RS, & Smith, T (2019). An enigmatic new ungulate-like mammal from the early Eocene of India. Papers in Palaeontology. Vol. 7, 497-520 - Article, Refereed Journal -