PaleoBios
Parent: UC Museum of Paleontology
eScholarship stats: Breakdown by Item for June through September, 2026
| Item | Title | Total requests | Download | View-only | %Dnld |
|---|---|---|---|---|---|
| 9gg7n69f | Paleobiology Database User Guide Version 2.0 | 3,947 | 371 | 3,576 | 9.4% |
| 6r18f8wn | 11th North American Paleontological Conference Program with Abstracts | 1,343 | 786 | 557 | 58.5% |
| 6tm05630 | Paleobiology Database User Guide Version 1.0 | 1,302 | 627 | 675 | 48.2% |
| 6jk04749 | Two new plioplatecarpine mosasaurs (Mosasauridae; Plioplatecarpinae) of the genus <em>Ectenosaurus</em> from the Upper Cretaceous of North America | 704 | 540 | 164 | 76.7% |
| 147611bv | Oldest known marine turtle? A new protostegid from the Lower Cretaceous of Colombia | 683 | 244 | 439 | 35.7% |
| 2t31k34t | Western Association of Vertebrate Paleontology Annual Meeting Abstracts | 598 | 242 | 356 | 40.5% |
| 4j1195hk | A new fossil <em>Euspira</em>? (Mollusca: Gastropoda: Naticidae) from the Gubik Formation on the North Slope of Arctic Alaska | 581 | 416 | 165 | 71.6% |
| 0xv324c8 | Early Oligocene (Rupelian) fishes (Chondrichthyes, Osteichthyes) from the Ashley Formation (Cooper Group) of South Carolina, USA | 515 | 314 | 201 | 61.0% |
| 84g0595b | The giant, spike-toothed salmon, <em>Oncorhynchus rastrosus</em> and the “Proto-Tuolumne River” (early Pliocene) of Central California | 502 | 140 | 362 | 27.9% |
| 01w536hs | New dinosauromorph specimens from Petrified Forest National Park and a global biostratigraphic review of Triassic dinosauromorph body fossils | 494 | 208 | 286 | 42.1% |
| 0q3634zc | <em>Nucella demouthae</em>, a new Late Miocene muricid gastropod from Northern California, U.S.A. | 491 | 275 | 216 | 56.0% |
| 3zn190m3 | New species of the deep-water bivalve genera Acesta (Limidae, Bivalvia, Mollusca) and a questionable Malletia (Malletiidae, Bivalvia, Mollusca) from the Eocene of southern California | 490 | 230 | 260 | 46.9% |
| 7848q4c8 | The skull of <em>Postosuchus kirkpatricki</em> (Archosauria: Paracrocodyliformes) from the Upper Triassic of the United States | 443 | 219 | 224 | 49.4% |
| 3c46d2rh | Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part IA: The protobranchs (Nuculidae, Sareptidae, Pristiglomidae) | 441 | 300 | 141 | 68.0% |
| 6zt71586 | First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway | 428 | 283 | 145 | 66.1% |
| 42d4n02d | Geology, microstratigraphy, and paleontology of the lacustrine Truckee Formation diatomite deposits near Hazen, Nevada, USA, with emphasis on fossil stickleback fish | 423 | 241 | 182 | 57.0% |
| 9hs935kx | Fossil leaves, fruits and seeds of the Late Eocene Teater Road flora near Post, Oregon, USA | 417 | 147 | 270 | 35.3% |
| 0fh2f5n3 | Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA | 405 | 206 | 199 | 50.9% |
| 8z33r6cx | New theropod fossils from the Upper Triassic Dockum Group of Texas, USA, and a brief overview of the Dockum theropod diversity | 400 | 225 | 175 | 56.3% |
| 8v08w2d6 | The first <em>in situ</em> collection of a mosasaurine from the marine Breien Member of the Hell Creek Formation in south-central North Dakota, USA | 397 | 119 | 278 | 30.0% |
| 1dd6d638 | Revision of northeast Pacific Paleogene cypraeoidean gastropods (Mollusca), including recognition of three new species: Implications for paleobiogeographic distribution and faunal turnover | 393 | 242 | 151 | 61.6% |
| 7zs962s4 | Revised age of early short-faced bears (Tremarctinae, <em>Plionarctos</em>) in the fossil record | 392 | 121 | 271 | 30.9% |
| 9g04504b | A late Eocene wood assemblage from the Crooked River Basin, Oregon, USA | 392 | 297 | 95 | 75.8% |
| 6bb3q574 | Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U.S.A. | 384 | 237 | 147 | 61.7% |
| 3k43832x | Pleistocene vertebrates of Silicon Valley (Santa Clara County, California) | 367 | 140 | 227 | 38.1% |
| 4hv2z5nt | Newly described specimens of leptarctine mustelids expand their geographic range in the western United States | 366 | 294 | 72 | 80.3% |
| 6dv597pp | New remains of middle Miocene equids from the Cajon Valley Formation, San Bernardino National Forest, San Bernardino County, California, USA | 360 | 247 | 113 | 68.6% |
| 7t50309r | Checklist of California Paleogene–Neogene marine Mollusca since Keen and Bentson (1944) | 351 | 142 | 209 | 40.5% |
| 95q4q6jt | Ediacaran-Cambrian transition of the Southwestern USA—Field Trip of the North American Paleontological Convention, June 19–22, 2019 | 351 | 136 | 215 | 38.7% |
| 2bk874nr | Late Cretaceous endemic shallow-marine gastropod genera of the northeast Pacific: biodiversity and faunal changes | 341 | 52 | 289 | 15.2% |
| 5d08883v | A methane seep from the deep-marine, late Eocene Keasey Formation, Rock Creek, Columbia County, Oregon | 341 | 261 | 80 | 76.5% |
| 6g94r8jf | Paleocene chimaeroid fishes (Chondrichthyes: Holocephali) from the eastern United States, including two new species of <em>Callorhinchus</em> | 338 | 178 | 160 | 52.7% |
| 03b3j605 | First record of the chancelloriid Allonnia from the middle Cambrian Wheeler Formation (Drumian, Miaolingian) of western Utah | 337 | 212 | 125 | 62.9% |
| 4990r1hx | The dentition of the extinct megamouth shark, Megachasma applegatei (Lamniformes: Megachasmidae), from southern California, USA, based on geometric morphometrics | 334 | 109 | 225 | 32.6% |
| 5rx20642 | Caecidae (Mollusca: Gastropoda) from late Miocene exposures of the “Imperial” Formation in Riverside County, California | 334 | 223 | 111 | 66.8% |
| 6106g279 | Nestling-sized hadrosaurine cranial material from the Hell Creek Formation of northeastern Montana, USA, with an analysis of cranial ontogeny in <em>Edmontosaurus annectens</em> | 334 | 161 | 173 | 48.2% |
| 27q4j8sj | Washington State trigoniids (Bivalvia) from the conglomerate of Patterson Lake (Early Cretaceous) | 327 | 221 | 106 | 67.6% |
| 47m7252q | Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part II: The pteriomorphs | 327 | 223 | 104 | 68.2% |
| 0670875m | Arcoid bivalve biodiversity during Eocene doubthouse cooling: Contrasting the active Cascadia Margin coldspot with the intracratonic Paris Basin hotspot | 325 | 218 | 107 | 67.1% |
| 7v55c2tr | The fauna and chronostratigraphy of the middle Miocene Mascall type area, John Day Basin, Oregon, USA | 325 | 135 | 190 | 41.5% |
| 603017mr | Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part III: The heteroconchs | 311 | 122 | 189 | 39.2% |
| 04q5f9cr | Cenozoic Marine Formations of Washington and Oregon: an annotated catalogue | 310 | 91 | 219 | 29.4% |
| 4ht19712 | New insights into Late Triassic dinosauromorph-bearing assemblages from Texas using apomorphy-based identifications | 308 | 151 | 157 | 49.0% |
| 0q11x9vs | <em>Leidyosuchus</em> (Crocodylia: Alligatoroidea) from the Upper Cretaceous Kaiparowits Formation (late Campanian) of Utah, USA | 301 | 98 | 203 | 32.6% |
| 6sg3v4gs | The age of the Oso Member, Capistrano Formation, and a review of fossil crocodylians from California | 301 | 67 | 234 | 22.3% |
| 8x7767f8 | A new drepanosauromorph, <em>Ancistronychus paradoxus</em> n. gen. et sp., from the Chinle Formation of Petrified Forest National Park, Arizona, USA | 295 | 70 | 225 | 23.7% |
| 20n1p06q | Middle Eocene trees of the Clarno Petrified Forest, John Day Fossil Beds National Monument, Oregon | 288 | 55 | 233 | 19.1% |
| 6q35k21s | A new aetosaur (Archosauria: Pseudosuchia) from the upper Blue Mesa Member (Adamanian: Early–Mid Norian) of the Late Triassic Chinle Formation, northern Arizona, USA, and a review of the paratypothoracin <em>Tecovasuchus</em> across the southwestern USA | 284 | 64 | 220 | 22.5% |
| 4p77k5pw | Multiple geniculated types in a single inoceramid (Bivalvia) species: “Inoceramus” nebrascensis | 280 | 177 | 103 | 63.2% |
| 84d1304f | Using machine learning to classify extant apes and interpret the dental morphology of the chimpanzee-human last common ancestor | 280 | 99 | 181 | 35.4% |
Note: Due to the evolving nature of web traffic, the data presented here should be considered approximate and subject to revision. Learn more.