PaleoBios

eScholarship stats: History by Item for December, 2024 through March, 2025

Item	Title	Total requests	2025-03	2025-02	2025-01	2024-12
6tm05630	Paleobiology Database User Guide Version 1.0	3,892	1,069	1,013	986	824
8vm8c6wc	Temporalis attachment area as a proxy for feeding ecology in toothed whales (Artiodactyla: Odontoceti)	372	55	47	194	76
0670875m	Arcoid bivalve biodiversity during Eocene doubthouse cooling: Contrasting the active Cascadia Margin coldspot with the intracratonic Paris Basin hotspot	328	90	72	90	76
2c38b585	First record of a leatherback sea turtle (Dermochelyidae) from the Mio-Pliocene Purisima Formation of northern California, USA	328	87	67	74	100
6p42x1st	Reconstructing oyster paleocommunity structure over the last 3.6 million years: A southern California case study	328	167	46	70	45
147611bv	Oldest known marine turtle? A new protostegid from the Lower Cretaceous of Colombia	315	85	77	71	82
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	292	75	64	82	71
42d4n02d	Geology, microstratigraphy, and paleontology of the lacustrine Truckee Formation diatomite deposits near Hazen, Nevada, USA, with emphasis on fossil stickleback fish	210	54	48	67	41
6r18f8wn	11th North American Paleontological Conference Program with Abstracts	199	41	56	44	58
4990r1hx	The dentition of the extinct megamouth shark, Megachasma applegatei (Lamniformes: Megachasmidae), from southern California, USA, based on geometric morphometrics	196	58	39	51	48
7848q4c8	The skull of <em>Postosuchus kirkpatricki</em> (Archosauria: Paracrocodyliformes) from the Upper Triassic of the United States	189	51	49	42	47
6pm4g7xw	Reptiles from the late Eocene Jackson Group of Arkansas	184	20	24	93	47
84g0595b	The giant, spike-toothed salmon, <em>Oncorhynchus rastrosus</em> and the “Proto-Tuolumne River” (early Pliocene) of Central California	182	35	40	60	47
9hs935kx	Fossil leaves, fruits and seeds of the Late Eocene Teater Road flora near Post, Oregon, USA	180	24	22	45	89
01w536hs	New dinosauromorph specimens from Petrified Forest National Park and a global biostratigraphic review of Triassic dinosauromorph body fossils	174	36	52	61	25
4xr1s918	A Machairodont felid (Mammalia; Carnivora; Felidae) from the latest Hemphillian (Late Miocene/Early Pliocene) Bidahochi Formation, northeastern Arizona	154	43	36	38	37
84d1304f	Using machine learning to classify extant apes and interpret the dental morphology of the chimpanzee-human last common ancestor	150	45	41	36	28
6jk04749	Two new plioplatecarpine mosasaurs (Mosasauridae; Plioplatecarpinae) of the genus <em>Ectenosaurus</em> from the Upper Cretaceous of North America	144	42	34	28	40
23r690jk	The first report of <em>Toxochelys latiremis</em> Cope, 1873 (Testudines: Panchelonioidea) from the early Campanian of Alabama, USA	126	32	39	23	32
53v080hx	A new Early Pliocene record of the toothless walrus <em>Valenictus</em> (Carnivora, Odobenidae) from the Purisima Formation of Northern California	114	24	43	27	20
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	113	26	26	29	32
1dv645n5	<em>Procerberus</em> (Cimolestidae, Mammalia) from the Latest Cretaceous and Earliest Paleocene of the Northern Western Interior, USA	112	28	39	27	18
7t50309r	Checklist of California Paleogene–Neogene marine Mollusca since Keen and Bentson (1944)	110	40	21	30	19
4ht19712	New insights into Late Triassic dinosauromorph-bearing assemblages from Texas using apomorphy-based identifications	108	29	42	27	10
8x7767f8	A new drepanosauromorph, <em>Ancistronychus paradoxus</em> n. gen. et sp., from the Chinle Formation of Petrified Forest National Park, Arizona, USA	108	31	27	25	25
0xv324c8	Early Oligocene (Rupelian) fishes (Chondrichthyes, Osteichthyes) from the Ashley Formation (Cooper Group) of South Carolina, USA	104	32	16	29	27
1gj4j3z2	A new immigrant mustelid (Carnivora, Mammalia) from the middle Miocene Temblor Formation of central California	103	22	27	26	28
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>	102	32	23	25	22
7v55c2tr	The fauna and chronostratigraphy of the middle Miocene Mascall type area, John Day Basin, Oregon, USA	99	35	16	26	22
1935d40d	Western Association of Vertebrate Paleontologists Annual Meeting	98	32	24	25	17
8w5755sg	A new record of <em>Dromomeron romeri</em> Irmis et al., 2007 (Lagerpetidae) from the Chinle Formation of Arizona, U.S.A.	97	18	25	28	26
0bs400v3	First record of the megatoothed shark <em>Carcharocles megalodon</em> from the Mio-Pliocene Purisima Formation of Northern California.	95	35	22	20	18
1877k1mz	New proboscidean material from the Siwalik Group of Pakistan with remarks on some species	95	29	18	22	26
6cm4v7h4	A lithornithid (Aves: Palaeognathae) from the Paleocene (Tiffanian) of southern California	93	26	25	18	24
8dw67415	Insights into cranial morphology and intraspecific variation from a new subadult specimen of the pan-cheloniid turtle <em>Euclastes wielandi</em> Hay, 1908	93	23	24	25	21
8p91285n	Materials collected by the southern branch of the UC Africa Expedition with a report on previously unpublished Plio-Pleistocene fossil localities	93	22	30	26	15
04q5f9cr	Cenozoic Marine Formations of Washington and Oregon: an annotated catalogue	92	30	22	22	18
8zf3x8qt	2023 Western Association of Vertebrate Paleontology Annual Meeting: Program with Abstracts	90	15	21	26	28
6sg3v4gs	The age of the Oso Member, Capistrano Formation, and a review of fossil crocodylians from California	88	28	31	17	12
0fh2f5n3	Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA	87	33	15	24	15
15f034zz	The first records of <em>Sinclairella</em> (Apatemyidae) from the Pacific Northwest, USA	87	23	22	19	23
2pk1c7db	Herpetocetine (Cetacea: Mysticeti) dentaries from the Upper Miocene Santa Margarita Sandstone of Central California	86	20	18	29	19
04r4f1wk	<em>Puercolestes</em> and <em>Betonnia</em> (Cimolestidae, Mammalia) from the early Paleocene (Puercan 3 Interval Zone) of northeastern Montana, U.S.A.	83	30	16	20	17
3fn6q3f7	<em>Yelmochelys rosarioae</em> gen. et sp. nov., a stem kinosternid (Testudines; Kinosternidae) from the Late Cretaceous of Coahuila, Mexico	83	27	22	20	14
2vf0k82q	A fossil giant tortoise from the Mehrten Formation of Northern California	82	28	19	22	13
6bb3q574	Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U.S.A.	80	26	11	25	18
6zt71586	First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway	80	34	22	14	10
47m7252q	Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part II: The pteriomorphs	78	30	18	17	13
6dv597pp	New remains of middle Miocene equids from the Cajon Valley Formation, San Bernardino National Forest, San Bernardino County, California, USA	77	19	19	20	19
6g94r8jf	Paleocene chimaeroid fishes (Chondrichthyes: Holocephali) from the eastern United States, including two new species of <em>Callorhinchus</em>	76	22	22	19	13

Top

Note: Due to the evolving nature of web traffic, the data presented here should be considered approximate and subject to revision. Learn more.