A new biomechanical approach to cranial suture function: the role of contact elements in linear and nonlinear models Open Access

What's behind a name: The taxonomic status of Helicancylus Gabb, 1869 and Hamiticeras Anderson, 1938 (Ammonoidea, Lower Cretaceous) Available to Purchase

Did shell-crushing predators drive the evolution of ammonoid septal shape? Available to Purchase

Ontogenetic analysis of Anisian (Middle Triassic) ptychitid ammonoids from Nevada, USA Open Access

A method to the madness: Ontogenetic changes in the hydrostatic properties of Didymoceras (Nostoceratidae: Ammonoidea) Available to Purchase

A note on Placenticeras warthi Kossmat, 1895 (Ammonoidea), the type species of the genus Hypengonoceras Spath, 1922 Available to Purchase

Site selection of small round holes in crinoid pluricolumnals, Trearne Quarry SSSI (Mississippian, Lower Carboniferous), north Ayrshire, UK Available to Purchase

Postembryonic development of Dalmanitina , and the evolution of facial suture fusion in Phacopina Available to Purchase

A new Griesbachian–Dienerian (Induan, Early Triassic) ammonoid fauna from Gujiao, South China Available to Purchase

A taxonomic correction after 140 years Available to Purchase

Early Albian (Early Cretaceous) douvilleiceratid ammonites from Haida Gwaii, British Columbia, Canada Available to Purchase

Quantitative morphological description of the Late Cretaceous ammonite Baculites inornatus Meek from western North America: implications for species concepts in the biostratigraphically important Baculitidae Available to Purchase

An Endemic Cephalopod Assemblage from the Lower Campanian (Late Cretaceous) Parras Shale, Western Coahuila, Mexico Available to Purchase

Pennsylvanian (Atokan) Ammonoids from the Magoffin Member of the Four Corners Formation, Eastern Kentucky Available to Purchase

Dimorphinites (Ammonoidea, Jurassic, Upper Bajocian) in the Precordillera of Northern Chile Available to Purchase

ONTOGENY AND VENTRAL MEDIAN SUTURE OF THE PTYCHASPIDID TRILOBITE ASIOPTYCHASPIS SUBGLOBOSA (SUN, 1924) FROM THE FURONGIAN (UPPER CAMBRIAN) HWAJEOL FORMATION, KOREA Available to Purchase

Chadian (Tournaisian – Viséan, Carboniferous) ammonoids from the Milldale Limestone Formation of the southern Peak District, England Available to Purchase

New Occurrences of the Pennsylvanian Index Ammonoid Dunbarites from the North American Midcontinent Available to Purchase

Morphologic and taxonomic history of Paleozoic ammonoids in time and morphospace Available to Purchase