id,title,description,date_created,date_modified,date_published,original_publication_date,publication_doi,provider,is_published,reviews_state,version,is_latest_version,preprint_doi,license,tags_list,tags_data,contributors_list,contributors_data,first_author,subjects_list,subjects_data,download_url,has_coi,conflict_of_interest_statement,has_data_links,has_prereg_links,prereg_links,prereg_link_info,last_updated
unt6d_v1,Cooperative Shadow Feeding: A Novel Hypothesis for the Feeding Ecology and Evolutionary Adaptations of Long-Necked Plesiosaurs,"Plesiosaurs, a diverse group of Mesozoic marine reptiles, have intrigued
paleontologists with their unique morphologies and varied feeding strategies.
Recent studies suggest that differences in body size and neck length have significant
ecological implications. In this paper, we present the cooperative shadow feeding
hypothesis, proposing that large-bodied, long-necked plesiosaurs (e.g.,
elasmosaurids) engaged in group feeding by casting shadows that attracted schools
of small fish, which were captured by rapidly extending their necks. This strategy
was likely supported by a highly flexible esophagus capable of storing large
quantities of prey and by gastroliths that aided in prey processing. In contrast, smallbodied, short-necked forms, such as polycotylids, appear to have been solitary
hunters in deeper waters. We integrate fossil evidence, functional morphology, and
comparisons with modern marine animals to offer a comprehensive view of
plesiosaur feeding ecology and evolution. Our hypothesis not only provides insights
into the adaptive significance of neck elongation but also suggests potential social
behaviors in these marine reptiles. We further outline future research directions
including biomechanical analyses, taphonomic studies of gastrolith distribution,
and paleoenvironmental investigations.",2025-02-05T13:48:30.965640,2025-02-06T17:35:22.339932,2025-02-06T17:34:18.587699,2025-02-04T15:00:00,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/unt6d_v1,CC-By Attribution 4.0 International,Cooperative Shadow Feeding; Elasmosauridae; Feeding Ecology; Functional Morphology; Gastroliths; Long-necked Plesiosaurs,"[""Cooperative Shadow Feeding"", ""Elasmosauridae"", ""Feeding Ecology"", ""Functional Morphology"", ""Gastroliths"", ""Long-necked Plesiosaurs""]",Kurando Iida,"[{""id"": ""6aw3k"", ""name"": ""Kurando Iida"", ""index"": 0, ""orcid"": ""0009-0004-2893-817X"", ""bibliographic"": true}]",Kurando Iida,Earth and Life Sciences; Paleobiology; Paleoecology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c82"", ""text"": ""Paleoecology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/67a36c434df9ff202ecc8e75,0,,not_applicable,not_applicable,[],,2025-04-09T21:06:18.501635
eh9s8_v1,"A new fossil buffalo from the Shungura Formation (Ethiopia), and the role of size- shape allometry in the diversification of Syncerus","Allometry, the relationship between shape and size, plays a pivotal role in the diversification of phenotypes. The African buffalo, Syncerus caffer, the only surviving member of an extensive Pliocene-Pleistocene African bovin diversity, exhibits considerable morphological variability among extant populations. The extent to which size-shape allometry contributed to this variability, and potentially also to diversification of species of Syncerus, has remained unresolved due to limited fossil material. This study describes a nearly complete fossil cranium aged ~2.6 Ma from the Shungura Formation in southern Ethiopia, designated as the holotype of a new species. The new species, characterized by small size and short, divergent horns, shares similarities with populations of extant forest-dwelling Sy. caffer. Using 3D geometric morphometrics on fossil and extant bovins, we demonstrated that size-shape allometry accounts for a significant portion of cranial shape variation within Bovini, and that the new species is located close to small-sized and juvenile individuals of extant Sy. caffer. Our findings suggest that the newly described species represents an ancestral morphological template for the evolution of Syncerus, elucidating the mechanisms underlying the phenotypic diversification of African buffaloes. These results enhance our understanding of size-shape dynamics in bovin evolution and shed light on the early evolutionary history of Syncerus.",2025-02-05T11:05:48.704894,2025-02-06T17:36:59.263983,2025-02-06T17:35:45.027989,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/eh9s8_v1,CC-By Attribution 4.0 International,Africa; Allometry; Buffalo; Geometric morphometrics; Pleistocene; Shungura,"[""Africa"", ""Allometry"", ""Buffalo"", ""Geometric morphometrics"", ""Pleistocene"", ""Shungura""]",Faysal Bibi; Jean-Renaud Boisserie,"[{""id"": ""e274t"", ""name"": ""Faysal Bibi"", ""index"": 0, ""orcid"": ""0000-0002-9414-5547"", ""bibliographic"": true}, {""id"": ""m8b69"", ""name"": ""Jean-Renaud Boisserie"", ""index"": 1, ""orcid"": null, ""bibliographic"": true}]",Faysal Bibi,Earth and Life Sciences; Paleontology; Paleobiology; Vertebrate Paleontology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7e"", ""text"": ""Paleontology""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c87"", ""text"": ""Vertebrate Paleontology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/67a346188396f2db9b8ed9e4,0,,no,no,[],,2025-04-09T21:06:22.341455
8uhsp_v1,Acquisition of a dataset for dental microwear texture analysis (DMTA) of sauropod teeth: pre-analytical and post-processing steps for quality assessment,"Dental microwear texture analysis (DMTA) has been widely used in the study of dietary habits and trends of animals, based on the abrasion patterns preserved in dental enamel. Therefore, it is seen as an important tool when it comes to understanding the ecology, niche partitioning, and competition between co-occurring taxa, both extant and extinct. During the Late Jurassic, sauropod dinosaur faunas were quite diverse, with distinct groups inhabiting the same ecosystems. Being the largest mega-herbivores of their ecosystems, competition for resources could have been a determining factor that led to such diversity, making sauropods a good study-group for DMTA.  Here we describe the complete process of creating a large DMTA dataset, from the required pre-analytical molding, casting, and three-dimensional data acquisition to the post-processing steps to quality check the acquired data. A total of 119 teeth attributed to the major sauropod groups from the Late Jurassic were measured for the most commonly analyzed DMTA parameters. We describe in detail the production of dental molds, casts, and the steps taken throughout the measuring process. We also describe the way in which we tested the quality of our data, as well as the taphonomical implications for future studies using the resulting dataset. The end result is the first large DMTA sauropod teeth dataset, consisting of 1011 measurements.",2024-11-12T11:39:47.345758,2024-11-19T20:14:13.064777,2024-11-12T15:17:51.117918,2024-11-08T00:00:00,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/8uhsp,CC-By Attribution 4.0 International,DMTA; dinosaurs; open data; paleoecology; taphonomy; tooth wear,"[""DMTA"", ""dinosaurs"", ""open data"", ""paleoecology"", ""taphonomy"", ""tooth wear""]",André Saleiro; Emanuel Tschopp; Alexander Daash; Thomas M. Kaiser; Ria Wiesinger; Daniela E. Winkler,"[{""id"": ""4ajhx"", ""name"": ""Andr\u00e9 Saleiro"", ""index"": 0, ""orcid"": ""0000-0003-1938-9805"", ""bibliographic"": true}, {""id"": ""ajyrd"", ""name"": ""Emanuel Tschopp"", ""index"": 1, ""orcid"": ""0000-0002-5245-6910"", ""bibliographic"": true}, {""id"": ""zkbwh"", ""name"": ""Alexander Daash"", ""index"": 2, ""orcid"": null, ""bibliographic"": true}, {""id"": ""cv689"", ""name"": ""Thomas M. Kaiser"", ""index"": 3, ""orcid"": null, ""bibliographic"": true}, {""id"": ""emdnh"", ""name"": ""Ria Wiesinger"", ""index"": 4, ""orcid"": null, ""bibliographic"": true}, {""id"": ""cv97t"", ""name"": ""Daniela E. Winkler"", ""index"": 5, ""orcid"": null, ""bibliographic"": true}]",André Saleiro,Earth and Life Sciences; Paleontology; Paleoecology; Vertebrate Paleontology; Taphonomy,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7e"", ""text"": ""Paleontology""}, {""id"": ""5995e22f54be8102ecb31c82"", ""text"": ""Paleoecology""}, {""id"": ""5995e22f54be8102ecb31c87"", ""text"": ""Vertebrate Paleontology""}, {""id"": ""5b4e540dc698300076b4c731"", ""text"": ""Taphonomy""}]",https://osf.io/download/67333ec4f537c9d9a40ddee3,0,,available,not_applicable,[],,2025-04-09T21:06:13.482844
4hjg5_v1,Early Middle Triassic “Swim tracks” in the Black Forest region (SW Germany) are preservational variants of chirotheriid footprints,"Buntsandstein makes up a large proportion of the surface rock of the Black Forest, in the Southwest (SW) of Germany. Almost everywhere where the uppermost section of the Buntsandstein outcrops, tetrapod tracks called “swim tracks” can be found. Although known for a long time, these tracks have until now received marginal scientific attention in Germany. They are no different from uniform tracks found in the SW of the USA. Here as there, they were sedimented in flood plains largely at the same time and comparable climate conditions. The paleohabitat of the location of the tracks shown in this article could be reconstructed. It can be shown that they are most likely preservation variants of chirotheriid tracks. However, it must be doubted that they are actually “swim tracks”. The arguments for this notion are presented in this paper. - Trace fossils make important contributions to the elucidation of the way of life of their creators. Here they demonstrate a strong presence of archosaurs in the floodplains in the Aegean period.",2024-11-08T15:15:33.574860,2024-11-12T10:46:20.641486,2024-11-12T10:46:00.391178,2024-11-07T23:00:00,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/4hjg5,CC-By Attribution 4.0 International,Aegean period; Black forest; Ichnology; Paleontology; Trace fossils; archosaurs; chirotheriid tracks; digging tracks; foraging behavior; paleohabitat; swim tracks; tetrapod tracks,"[""Aegean period"", ""Black forest"", ""Ichnology"", ""Paleontology"", ""Trace fossils"", ""archosaurs"", ""chirotheriid tracks"", ""digging tracks"", ""foraging behavior"", ""paleohabitat"", ""swim tracks"", ""tetrapod tracks""]",Martin Schneider,"[{""id"": ""3cuxz"", ""name"": ""Martin Schneider"", ""index"": 0, ""orcid"": null, ""bibliographic"": true}]",Martin Schneider,Earth and Life Sciences; Ichnology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5b4e540dc698300076b4c730"", ""text"": ""Ichnology""}]",https://osf.io/download/672e2b764d162139e362ffb1,0,,not_applicable,not_applicable,[],,2025-04-09T21:06:14.900443
bew86_v1,Non-dinosaurian predation and scavenging on dinosaurs: a list of direct evidence,"The main predators of dinosaurs were other dinosaurs, such as tyrannosaurids. However, carnivorous dinosaurs were not the only predators in the Mesozoic ecosystems. This paper presents the first list of direct fossil evidence of predation and scavenging by non-dinosaurian vertebrates on dinosaurs (including birds), such as bite marks (n = 35), stomach contents (n = 5), preserved predation/scavenging events (n = 3), coprolites (n = 1), and regurgitalites (n = 1). The major predator/scavenger taxa associated with this evidence are crocodyliforms, mammaliaforms, and sharks. The predator/scavenger taxa also included marine reptiles (plesiosaurs, an ichthyosaur, and a mosasaur), an archosaur Smok wawelski, and possibly a pterosaur. The findings underscore the diversity of trophic interactions that shaped food webs in the Mesozoic ecosystems.",2024-10-02T19:42:07.034154,2025-03-29T00:36:54.907787,2024-10-28T07:27:50.101992,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/bew86_v1,CC-By Attribution 4.0 International,Carnivory; Crocodilians; Crocodyliforms; Dinosaurs; Feeding; Fossil evidence; Mammals; Marine reptiles; Mesozoic ecosystems; Predation; Predator-prey interactions; Scavenging; Sharks; Trace fossils; Trophic interactions,"[""Carnivory"", ""Crocodilians"", ""Crocodyliforms"", ""Dinosaurs"", ""Feeding"", ""Fossil evidence"", ""Mammals"", ""Marine reptiles"", ""Mesozoic ecosystems"", ""Predation"", ""Predator-prey interactions"", ""Scavenging"", ""Sharks"", ""Trace fossils"", ""Trophic interactions""]",Semyon S. Morozov,"[{""id"": ""f2zuj"", ""name"": ""Semyon S. Morozov"", ""index"": 0, ""orcid"": ""0000-0003-1080-0047"", ""bibliographic"": true}]",Semyon S. Morozov,Earth and Life Sciences; Paleontology; Paleobiology; Paleoecology; Vertebrate Paleontology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7e"", ""text"": ""Paleontology""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c82"", ""text"": ""Paleoecology""}, {""id"": ""5995e22f54be8102ecb31c87"", ""text"": ""Vertebrate Paleontology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/66fda2ab453f60101c9fd16c,0,,not_applicable,not_applicable,[],,2025-04-09T21:06:12.157222
9k8p3_v1,How depositional environments impact the microwear preservation of quartz artifacts: insights from the Oldowan of the Shungura Formation (Ethiopia),"The function of Oldowan tools is a key aspect of early hominin subsistence in eastern Africa. The rarity of the sites, the preservation of the assemblages and raw materials are limiting factors in the functional study of Early Pleistocene assemblages. The archaeological occurrences from Member F of the Shungura Formation (Ethiopia) have a precise chronostratigraphic framework (2.324 ± 0.020 Ma to 2.271 ± 0.041 Ma), a detailed reconstruction of depositional environments, and artifacts produced mainly from small quartz pebbles that are highly resistant to chemical and mechanical alterations. The studied archaeological material comprises artifacts from 12 occurrences and three environmental contexts (floodplain, point bar, and channel lag). As a baseline for distinguishing taphonomic damage from use-wear, and for assessing the preservation of use-wear in the archaeological record, we characterized macroscopic and microscopic surface alterations resulting from fluvial transport and aeolian abrasion experiments. Despite the good preservation of the lithic assemblages at a macroscopic scale, variations were observed at a microscopic level corresponding to the depositional environment. Understanding the link between taphonomic alterations on quartz and the type of deposits leads to better recognition and interpretation of potential use-wear on these ancient artifacts.",2024-09-26T09:21:11.588918,2024-09-26T11:26:02.407361,2024-09-26T11:25:33.092758,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/9k8p3,CC-By Attribution 4.0 International,Microwear analysis; Oldowan; Quartz; Shungura Formation; Taphonomy,"[""Microwear analysis"", ""Oldowan"", ""Quartz"", ""Shungura Formation"", ""Taphonomy""]",Aline Galland; Ignacio Clemente-Conte; Jean-Renaud Boisserie; Anne Delagnes,"[{""id"": ""7ct5h"", ""name"": ""Aline Galland"", ""index"": 0, ""orcid"": ""0000-0003-0719-4496"", ""bibliographic"": true}, {""id"": ""8mfbu"", ""name"": ""Ignacio Clemente-Conte"", ""index"": 1, ""orcid"": null, ""bibliographic"": true}, {""id"": ""m8b69"", ""name"": ""Jean-Renaud Boisserie"", ""index"": 2, ""orcid"": null, ""bibliographic"": true}, {""id"": ""nzp3t"", ""name"": ""Anne Delagnes"", ""index"": 3, ""orcid"": null, ""bibliographic"": true}]",Aline Galland,Earth and Life Sciences; Taphonomy,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5b4e540dc698300076b4c731"", ""text"": ""Taphonomy""}]",https://osf.io/download/66f527966b988d32703cbb4b,0,,available,not_applicable,[],,2025-04-09T21:06:13.944922
563dx_v1,The Evolution of Hunting Strategies in Tyrannosaurus rex: Analyzing Bite Force and Predatory Behavior,"This literature review aims to gain a deeper understanding of the anatomy behind the jaw strength of Tyrannosaurus rex and analyze how these features contribute to its predatory behavior. This review will examine various studies and fossil excavations, exploring ideas such as the bite force of T. rex and its variations across different life stages. This will be obtained from numerous biomechanical models of both juvenile and adult Tyrannosaurus rex, as well as reference animals and dinosaurs for comparison. To provide additional information behind T. rex’s hunting techniques, we will also discuss the fauna of herbivorous dinosaurs that were part of T. rex’s diet. Furthermore, we will explore how mandibular stress concentration can vary between ages, a crucial topic in determining what T. rex could consume at certain stages of its life. Finally, we obtain a well-evidenced analysis of the various aspects of Tyrannosaurus rex’s hunting strategies throughout its lifetime.",2024-07-22T00:36:13.361657,2024-07-24T16:15:40.693982,2024-07-24T06:21:52.734431,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/563dx,CC-By Attribution 4.0 International,Tyrannosaurus rex; adult T. rex; anatomical features; biomechanical models; bite force; dinosaur diet; fossil excavations; herbivorous dinosaurs; hunting strategies; hunting techniques; jaw strength; juvenile T. rex; life stages; mandibular stress concentration; predatory behavior,"[""Tyrannosaurus rex"", ""adult T. rex"", ""anatomical features"", ""biomechanical models"", ""bite force"", ""dinosaur diet"", ""fossil excavations"", ""herbivorous dinosaurs"", ""hunting strategies"", ""hunting techniques"", ""jaw strength"", ""juvenile T. rex"", ""life stages"", ""mandibular stress concentration"", ""predatory behavior""]",Tyler Hu,"[{""id"": ""73hzx"", ""name"": ""Tyler Hu"", ""index"": 0, ""orcid"": null, ""bibliographic"": true}]",Tyler Hu,Earth and Life Sciences; Paleobiology; Paleoecology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c82"", ""text"": ""Paleoecology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/669da98877790601cacaa9cb,0,,no,no,[],,2025-04-09T21:06:22.750904
2hsnf_v1,"Functional Morphology of Spinosaurus aegyptiacus' Sail: Thermoregulation, Display or Hydrodynamic?","This literature review aims to gain a deeper understanding of Spinosaurus aegyptiacus’s dorsal sail regarding its function as thermoregulation, display, or hydrodynamic. The function of S. aegyptiacus’s dorsal sail has been widely debated for many years. The three most popular hypotheses are that it was used as a biological mechanism of thermoregulation, display, or hydrodynamic. The display hypothesis includes attracting mates, intimidating rivals, and social communication with other members. This literature review delves into each of the three hypotheses using past studies and excavation sites to analyze their validity. For the hydrodynamic aspect, the lifestyle of S. aegyptiacus must first be established. Based on existing research, we cannot conclude that there is a definitive primary function of Spinosaurus aegyptiacus’s dorsal sail. However, it is likely that its sail served the crucial function of display, since it would have a large surface area and could thus be a distinguishable characteristic of S. aegyptiacus that could determine mating success. Additionally, it is probable that the sail had supplementary roles in thermoregulation and hydrodynamics.",2024-07-22T00:25:25.736981,2024-07-24T16:15:00.700723,2024-07-24T06:21:36.676337,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/2hsnf,CC-By Attribution 4.0 International,,[],Tyler Hu,"[{""id"": ""73hzx"", ""name"": ""Tyler Hu"", ""index"": 0, ""orcid"": null, ""bibliographic"": true}]",Tyler Hu,Earth and Life Sciences; Paleobiology; Paleoecology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c82"", ""text"": ""Paleoecology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/669da6ff77790601cfcaa829,0,,no,no,[],,2025-04-09T21:06:12.166569
g7kfx_v1,"Taxonomic assignments for the 3.4 Ma to 1.1 Ma hominin postcanine teeth from the Usno Formation and the Shungura Formation, Lower Omo Valley, Ethiopia","Sediments of the Usno Formation and the Shungura Formation date from ca. 3.75 Ma to 1.09 Ma, during which time the genus Homo appeared, Australopithecus disappeared, and the eastern African robust hominins did both. We performed an in-depth analysis of size, shape, and morphology of 108 Omo permanent postcanine dental specimens. First, we compared linear dimensions against a comparative dataset of 809 teeth from 359 specimens representing 10 hominin taxa. We then developed a linear discriminant function to predict the most-likely taxon for the Omo specimens based on the crown dimensions. We also ran cluster analyses on morphological scores and 2-dimensional cusp areas from the Omo sample to test whether these statistical clusters align with the taxa predicted by the discriminant function analysis. We found that variation in morphological scores does not align well with the taxonomic groups predicted from linear data. Cluster analyses of mandibular molar cusp areas categorize robust and non-robust groups fairly well, but maxillary molar cusp areas do not. We conclude that only Au. afarensis is found in the earliest part of the stratigraphy (3.4 Ma). By 2.95 Ma, there are two hominin lineages, Paranthropus and a more dentally gracile group in which Au. afarensis and Homo are not distinguishable until higher in the stratigraphic sequence. Paranthropus increased in frequency from 2.27 Ma until 1.9 Ma. After this time, Homo is the dominant taxon. The geologically youngest evidence of Paranthropus occurs at 1.37 Ma, after which, only teeth attributable to Homo are observed.",2024-07-12T18:05:31.442039,2024-07-15T06:30:05.198842,2024-07-15T06:29:44.555124,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/g7kfx,CC-By Attribution 4.0 International,Ethiopia; Omo; dentition; hominid; hominin,"[""Ethiopia"", ""Omo"", ""dentition"", ""hominid"", ""hominin""]",Leslea J. Hlusko; Franck Guy; Mario Modesto-Mata; Marina Martínez de Pinillos; Marianne F. Brasil; Ian Towle; Arthur Thiebaut; Jean-Renaud Boisserie,"[{""id"": ""83sne"", ""name"": ""Leslea J. Hlusko"", ""index"": 0, ""orcid"": ""0000-0003-0189-6390"", ""bibliographic"": true}, {""id"": ""sgj7e"", ""name"": ""Franck Guy"", ""index"": 1, ""orcid"": null, ""bibliographic"": true}, {""id"": ""skx9n"", ""name"": ""Mario Modesto-Mata"", ""index"": 2, ""orcid"": null, ""bibliographic"": true}, {""id"": ""v5a9e"", ""name"": ""Marina Mart\u00ednez de Pinillos"", ""index"": 3, ""orcid"": null, ""bibliographic"": true}, {""id"": ""p5dqr"", ""name"": ""Marianne F. Brasil"", ""index"": 4, ""orcid"": null, ""bibliographic"": true}, {""id"": ""amgbc"", ""name"": ""Ian Towle"", ""index"": 5, ""orcid"": null, ""bibliographic"": true}, {""id"": ""93q7x"", ""name"": ""Arthur Thiebaut"", ""index"": 6, ""orcid"": null, ""bibliographic"": true}, {""id"": ""m8b69"", ""name"": ""Jean-Renaud Boisserie"", ""index"": 7, ""orcid"": null, ""bibliographic"": true}]",Leslea J. Hlusko,Earth and Life Sciences; Paleontology; Paleobiology; Vertebrate Paleontology; Vertebrate Paleobiology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7e"", ""text"": ""Paleontology""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5995e22f54be8102ecb31c87"", ""text"": ""Vertebrate Paleontology""}, {""id"": ""5995e22f54be8102ecb31c88"", ""text"": ""Vertebrate Paleobiology""}]",https://osf.io/download/66917087ec07f901f1bdb730,0,,no,not_applicable,[],,2025-04-09T21:06:22.249561
6zm3a_v1,"Microburrows and Coprulus oblongus in Cryptic Cavities of Cryptozoön Stromatolites from Late Cambrian Carbonates of New York, USA","Late Cambrian stromatolites (Cryptozoön; Little Falls Formation, Late Cambrian [ca. 490 Ma], Herkimer County, New York, USA) from the classic Herkimer “diamond” locality host an accumulation of microcoprolites (Coprulus oblongus) in a cryptic cavity between stromatolite columns. The cryptic cavity space is partly delineated by a region of overhanging stromatolitic laminae, a phenomenon known to occur in New York Cryptozoöns. The same rock slab hosts tiny burrows, some of which are partly filled with rounded quartz grains that were introduced into the burrow as backfill sediment. The association of pellet accumulations and microburrows demonstrates that the New York Cryptozoön community had a significant component of small metazoans, comparable to the microburrow nests reported from early Cambrian archaeocyath-calcimicrobe communities. Pervasive burrowing in selected laminae of the New York Cryptozoön communities indicate that these organo-sedimentary structures are best considered as microbial-metazoan constructions or benthic microbial-metazoan communities (BMMC). This result has implications for understanding the origin of animals. Controversial structures in the 890 Ma Little Dal Group, northwestern Canada, are directly comparable to the vermiform structures observed in the New York Cryptozoöns. Coprulus of comparable age (800-900 Ma, Baish Group, Saudia Arabia) was reported in the 1980s. Metazoan may thus date back to the time of Rodinia.",2024-06-07T15:51:28.979132,2024-06-11T15:48:00.552119,2024-06-11T12:55:34.219766,,,paleorxiv,1,accepted,1,1,https://doi.org/10.31233/osf.io/6zm3a,CC-By Attribution 4.0 International,Cambrian; New York; coprolites; ichnofossils; origin of animals; stromatolites,"[""Cambrian"", ""New York"", ""coprolites"", ""ichnofossils"", ""origin of animals"", ""stromatolites""]",Mark McMenamin,"[{""id"": ""r2kcx"", ""name"": ""Mark McMenamin"", ""index"": 0, ""orcid"": ""0000-0002-3764-0963"", ""bibliographic"": true}]",Mark McMenamin,Earth and Life Sciences; Paleobiology; Ichnology,"[{""id"": ""5995e22f54be8102ecb31c7c"", ""text"": ""Earth and Life Sciences""}, {""id"": ""5995e22f54be8102ecb31c7f"", ""text"": ""Paleobiology""}, {""id"": ""5b4e540dc698300076b4c730"", ""text"": ""Ichnology""}]",https://osf.io/download/66632c8877ff4c526ae04c93,0,,no,not_applicable,[],,2025-04-09T20:49:37.252508