Acta Palaeontologica Polonica 67 (1) 2022


Preface

A student of everything: Richard L. Cifelli’s broad influence on mammalian paleontology and beyond

Brian M. Davis, Brooke K. Haiar, and Mathew J. Wedel

Acta Palaeontologica Polonica 67 (1), 2022: 3-4 doi:https://doi.org/10.4202/app.00988.2022

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Articles

Priabonian, late Eocene chronostratigraphy, depositional environment, and paleosol-trace fossil associations, Pipestone Springs, southwest Montana, USA

Debra L. Hanneman, Donald Lofgren, Stephen T. Hasiotis, and William C. Mcintosh

Acta Palaeontologica Polonica 67 (1), 2022: 5-20 doi:https://doi.org/10.4202/app.00901.2021

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A new Cambrian catillicephalid trilobite from the Shallow Bay Formation of western Newfoundland, Canada

Stephen R. Westrop and Alyce A. Dengler

Acta Palaeontologica Polonica 67 (1), 2022: 27-33 doi:https://doi.org/10.4202/app.00922.2021

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A unique dentary suggests a third genus of batrachosauroidid salamander existed during the latest Cretaceous in the western USA

James D. Gardner

Acta Palaeontologica Polonica 67 (1), 2022: 35-50 doi:https://doi.org/10.4202/app.00926.2021

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First three-dimensional skull of the Middle Triassic mixosaurid ichthyosaur Phalarodon fraasi from Svalbard, Norway

Aubrey Jane Roberts, Victoria Sjøholt Engelschiøn, and Jørn Harald Hurum

Acta Palaeontologica Polonica 67 (1), 2022: 51-62 doi:https://doi.org/10.4202/app.00915.2021

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Why tyrannosaurid forelimbs were so short: An integrative hypothesis

Kevin Padian

Acta Palaeontologica Polonica 67 (1), 2022: 63-76 doi:https://doi.org/10.4202/app.00921.2021

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A morganucodontan mammaliaform from the Upper Jurassic Morrison Formation, Utah, USA

Brian M. Davis, Kai R.K. Jäger, Guillermo W. Rougier, Kelli Trujillo, and Kevin Chamberlain

Acta Palaeontologica Polonica 67 (1), 2022: 77-93 doi:https://doi.org/10.4202/app.00955.2021

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Reexamination of the mandibular and dental morphology of the Early Jurassic mammaliaform Hadrocodium wui

Zhe-Xi Luo, Bhart-Anjan S. Bhullar, Alfred W. Crompton, April I. Neander, and Timothy B. Rowe

Acta Palaeontologica Polonica 67 (1), 2022: 95-113 doi:https://doi.org/10.4202/app.00949.2021

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Second specimen of Corriebaatar marywaltersae from the Lower Cretaceous of Australia confirms its multituberculate affinities

Thomas H. Rich, David W. Krause, Peter Trusler, Matt A. White, Lesley Kool, Alistair R. Evans, Steven Morton, and Patricia Vickers-Rich

Acta Palaeontologica Polonica 67 (1), 2022: 115-134 doi:https://doi.org/10.4202/app.00924.2021

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New material of the trechnotherian mammal Lactodens from the Early Cretaceous Jehol Biota: Comparison with Origolestes and implications for mammal evolution

Fangyuan Mao, Cunyu Liu, and Jin Meng

Acta Palaeontologica Polonica 67 (1), 2022: 135-153 doi:https://doi.org/10.4202/app.00918.2021

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First spalacotheriid and dryolestid mammals from the Cretaceous of Germany

Thomas Martin, Alexander O. Averianov, Julia A. Schultz, Rico Schellhorn, and Achim H. Schwermann

Acta Palaeontologica Polonica 67 (1), 2022: 155-175 doi:https://doi.org/10.4202/app.00914.2021

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Reconstructed masticatory biomechanics of Peligrotherium tropicalis, a non-therian mammal from the Paleocene of Argentina

Tony Harper, Caleb F. Adkins, and Guillermo W. Rougier

Acta Palaeontologica Polonica 67 (1), 2022: 177-201 doi:https://doi.org/10.4202/app.00912.2021

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Petrosal and cranial vascular system of the early Eocene palaeoryctid mammal Eoryctes melanus from northwestern Wyoming, USA

John R. Wible

Acta Palaeontologica Polonica 67 (1), 2022: 203-220 doi:https://doi.org/10.4202/app.00916.2021

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The paleoecology of the Late Miocene mammals from the Optima Local Fauna of Oklahoma, USA

Joseph A. Frederickson, Joshua E. Cohen, Michael H. Engel, Tyler C. Hunt, Greg A. Wilbert, Olga S. Castañeda, and Nicholas J. Czaplewski

Acta Palaeontologica Polonica 67 (1), 2022: 221-238 doi:https://doi.org/10.4202/app.00941.2021

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Ungulates of the middle Miocene Monarch Mill Formation, Churchill County, Nevada, USA

Kent S. Smith, Nicholas J. Czaplewski, and Margery C. Coombs

Acta Palaeontologica Polonica 67 (1), 2022: 239-256 doi:https://doi.org/10.4202/app.00907.2021

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Carnassiform notches improve the functional efficiency of bat molar shearing crests

Nicholas J. Czaplewski and Charles G. Baker

Acta Palaeontologica Polonica 67 (1), 2022: 257-282 doi:https://doi.org/10.4202/app.00889.2021

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Brief report

Examination of nontraditional materials for microvertebrate fossil screenwashing

Brooke K. Haiar

Acta Palaeontologica Polonica 67 (1), 2022: 21-25 doi:https://doi.org/10.4202/app.00952.2021

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