Earliest trace fossil evidence of wood-eating termites (Isoptera) and mites (Oribatida) in circumpolar environments of Australia: Upper Strzelecki Group (Lower Cretaceous), Victoria DOI
Jonathan P. Edwards, Anthony J. Martin, William M. G. Parker

и другие.

Palaeogeography Palaeoclimatology Palaeoecology, Год журнала: 2025, Номер unknown, С. 113059 - 113059

Опубликована: Июнь 1, 2025

Язык: Английский

Polar dinosaur tracks of the Wonthaggi Formation (Lower Cretaceous), Victoria, Australia and their palaeontological significance DOI
Anthony J. Martin, Melissa Lowery,

Michael A Hall

и другие.

Alcheringa An Australasian Journal of Palaeontology, Год журнала: 2024, Номер unknown, С. 1 - 23

Опубликована: Сен. 8, 2024

Язык: Английский

Процитировано

4

Morphological and Phylogenetic Significance of the First Adult Humerus of the Patagonian Cretaceous Theropod Megaraptor namunhuaiquii Novas, 1998 DOI
Jorge O. Calvo, Juan D. Porfiri, Alexis M. Aranciaga Rolando

и другие.

Annals of Carnegie Museum, Год журнала: 2025, Номер 90(3)

Опубликована: Янв. 10, 2025

Megaraptorans are medium- to large-bodied tetanuran theropod dinosaurs known from Cretaceous deposits in Asia, Australia, and especially South America. The megaraptoran skeleton is far well known, the humerus one of least-frequently preserved elements. Here we describe first-documented adult a American megaraptoran, recovered Upper (Turonian–Coniacian) Portezuelo Formation Neuquén Basin on southeast coast Lago Barreales Province, northern Patagonia, Argentina. referred namesake Megaraptor namunhuaiquii Novas, 1998, based its geographic stratigraphic provenance as morphological similarity corresponding element juvenile same taxon. Nevertheless, new exhibits osteological distinctions that interpret reflective their differing ontogenetic stages. We also highlight anatomical differences between M. enigmatic Patagonian Gualicho shinyae Apesteguía et al., 2016, show these taxa not closely related.

Язык: Английский

Процитировано

0

Evolutionary and paleobiogeographic implications of new carcharodontosaurian, megaraptorid, and unenlagiine theropod remains from the upper Lower Cretaceous of Victoria, southeast Australia DOI Creative Commons
Jake Kotevski, Ruairidh J. Duncan, Tim Ziegler

и другие.

Journal of Vertebrate Paleontology, Год журнала: 2025, Номер unknown

Опубликована: Фев. 19, 2025

Язык: Английский

Процитировано

0

Rise of the king: Gondwanan origins and evolution of megaraptoran dinosaurs DOI Creative Commons
Cassius Morrison, Charlie Roger Scherer,

Ezekiel V. O’Callaghan

и другие.

Royal Society Open Science, Год журнала: 2025, Номер 12(5)

Опубликована: Май 1, 2025

Late Cretaceous Earth was dominated by theropods such as tyrannosauroids and megaraptorans; however, it is unclear how these clades diversified grew to massive proportions. This study aimed conduct a biogeographical analysis test climate potential mechanism for the increase in size. We used published phylogenetic matrices with R package BioGeoBears different hypotheses both clades. mapped body mass (BM) length against known data this hypothesis. Continental-scale variance did not drive tyrannosauroid biogeography instead widespread ancestral populations, sympatric speciation localized extinctions throughout constricted geographic range. Both patterns were supported statistical analyses. model also indicates ancestor of clade Tarbosaurus Tyrannosaurus present Asia Laramidia, therefore came from Asia. Statistical illustrated no correlation between Mean Annual Temperature (MAT) BM but climatic shifts may be associated gigantism derived megaraptorids eutyrannosaurians. implies megaraptorans have had cosmopolitan distribution prior splitting Laurasia Gondwana. Also, Cretaceous.

Язык: Английский

Процитировано

0

Earliest trace fossil evidence of wood-eating termites (Isoptera) and mites (Oribatida) in circumpolar environments of Australia: Upper Strzelecki Group (Lower Cretaceous), Victoria DOI
Jonathan P. Edwards, Anthony J. Martin, William M. G. Parker

и другие.

Palaeogeography Palaeoclimatology Palaeoecology, Год журнала: 2025, Номер unknown, С. 113059 - 113059

Опубликована: Июнь 1, 2025

Язык: Английский

Процитировано

0