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- First Published: 15 February 2022

Cover : Holotype of Eocaiman cavernensis from the Eocene Gran Barranca site, Chubut Province, Argentina (AMNH FARB 3158; image © American Museum of Natural History Division of Paleontology/M. Ellison). Lower jaw measures approx. 18.5 cm in length. (https://doi.org/10.1002/spp2.1339)
Issue Information
Original Articles
Early Cretaceous enigmatic insect group showing unique wing venations and antennal sensilla
- First Published: 23 September 2021
An unusual shark assemblage from the Ladinian–Carnian interval of South China
- First Published: 04 October 2021
Carboniferous horseshoe crab musculature suggests anatomical conservatism within Xiphosurida
- First Published: 11 October 2021
Late Ordovician (Katian) linguliform microbrachiopods from north-eastern Yunnan, South China
- First Published: 27 October 2021
Bone histology of dinocephalians (Therapsida, Dinocephalia): palaeobiological and palaeoecological inferences
- First Published: 02 November 2021
Sclerite assembly, articulation and protective system of Lower Devonian machaeridians
- First Published: 04 November 2021
First occurrence of Nyssa endocarps and associated fungi in the Oligocene of South China: palaeogeographical and palaeoecological significance
- First Published: 10 November 2021
A fossil fish assemblage from the middle Miocene of the Cocinetas Basin, northern Colombia
- First Published: 18 November 2021
An early Cambrian mackenziid reveals links to modular Ediacaran macro-organisms
- First Published: 22 November 2021
Turtles all the way down: Neogene pig-nosed turtle fossil from southern Australia reveals cryptic freshwater turtle invasions and extinctions
- First Published: 07 December 2021
North American Spathian (upper Olenekian, Lower Triassic) neogondolellin conodonts
- First Published: 09 December 2021
Widespread azendohsaurids (Archosauromorpha, Allokotosauria) from the Late Triassic of western USA and India
- First Published: 10 December 2021
Multiple occurrences of pathologies suggesting a common and severe bone infection in a population of the Australian Pleistocene giant, Genyornis newtoni (Aves, Dromornithidae)
- First Published: 15 December 2021
High diversity of siliceous sponges in Western Tethyan areas during the Eocene: palaeobiogeographical, ecological and taxonomic significance
- First Published: 19 December 2021
Bone-bearing coprolites from the Upper Triassic of India: ichnotaxonomy, probable producers and predator–prey relationships
- First Published: 28 December 2021
Upper Cretaceous European theropod palaeobiodiversity, palaeobiogeography and the intra-Maastrichtian faunal turnover: new contributions from the Iberian fossil site of Laño
- First Published: 17 January 2022
Palaeobiogeography of the family Nisusiidae (Cambrian rhynchonelliform brachiopods) using the ‘area-transition count’ method and systematic revision of Korean species
- First Published: 25 January 2022