Subjects -> PALEONTOLOGY (Total: 43 journals)
Showing 1 - 21 of 21 Journals sorted by number of followers
Journal of Quaternary Science     Hybrid Journal   (Followers: 31)
Quaternary Science Reviews     Hybrid Journal   (Followers: 26)
Quaternary Research     Full-text available via subscription   (Followers: 19)
Palaeontology     Hybrid Journal   (Followers: 17)
Palaeogeography, Palaeoclimatology, Palaeoecology     Hybrid Journal   (Followers: 13)
Boreas: An International Journal of Quaternary Research     Hybrid Journal   (Followers: 13)
Peer Community Journal     Open Access   (Followers: 10)
Historical Biology: An International Journal of Paleobiology     Hybrid Journal   (Followers: 9)
Geologica Saxonica     Open Access   (Followers: 9)
Facies     Hybrid Journal   (Followers: 9)
Journal of Vertebrate Paleontology     Full-text available via subscription   (Followers: 8)
Journal of Paleontology     Hybrid Journal   (Followers: 8)
Paleobiology     Full-text available via subscription   (Followers: 6)
Alcheringa: An Australasian Journal of Palaeontology     Hybrid Journal   (Followers: 6)
Journal of Paleolimnology     Hybrid Journal   (Followers: 5)
Fossil Record     Open Access   (Followers: 5)
European Journal of Protistology     Hybrid Journal   (Followers: 5)
Paleoceanography and Paleoclimatology     Full-text available via subscription   (Followers: 5)
EvoDevo     Open Access   (Followers: 4)
Swiss Journal of Palaeontology     Hybrid Journal   (Followers: 4)
Annales de Paléontologie     Full-text available via subscription   (Followers: 4)
Paläontologische Zeitschrift     Hybrid Journal   (Followers: 4)
Paleontological Journal     Full-text available via subscription   (Followers: 4)
Geobios     Full-text available via subscription   (Followers: 4)
Palaeontographica A     Full-text available via subscription   (Followers: 3)
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen     Full-text available via subscription   (Followers: 3)
International Journal of Speleology     Open Access   (Followers: 3)
Quaternaire     Open Access   (Followers: 3)
Palaeoworld     Hybrid Journal   (Followers: 3)
Marine Micropaleontology     Hybrid Journal   (Followers: 2)
Rivista Italiana di Paleontologia e Stratigrafia (Research In Paleontology and Stratigraphy)     Open Access   (Followers: 1)
Vertebrate Anatomy Morphology Palaeontology     Open Access   (Followers: 1)
Palynology     Hybrid Journal   (Followers: 1)
Novitates Paleoentomologicae     Open Access   (Followers: 1)
Annals of Carnegie Museum     Full-text available via subscription   (Followers: 1)
Review of Palaeobotany and Palynology     Hybrid Journal   (Followers: 1)
PaleoBios     Open Access   (Followers: 1)
Zitteliana     Open Access  
Ameghiniana     Open Access  
Papers in Palaeontology     Hybrid Journal  
Spanish Journal of Palaeontology     Open Access  
Open Quaternary     Open Access  
Ichnos: An International Journal for Plant and Animal Traces     Hybrid Journal  
Revue de Micropaleontologie     Full-text available via subscription  
Comptes Rendus Palevol     Open Access  
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Vertebrate Anatomy Morphology Palaeontology
Number of Followers: 1  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2292-1389
Published by U of Alberta Homepage  [25 journals]
  • Corrigendum: A new species of Hydrochoerus (Rodentia: Caviidae:
           Hydrochoerinae) from the Pleistocene of San Diego County, California, USA
           with remarks on capybara biogeography and dispersal in the Pleistocene of
           Western North America

    • Authors: Richard S. White
      Abstract: Corrigendum
      PubDate: 2022-03-07
      DOI: 10.18435/vamp29383
      Issue No: Vol. 9, No. 1 (2022)
       
  • The Petrosal and Basicranial Morphology of Leptoreodon major
           (Protoceratidae, Artiodactyla)

    • Authors: Selina Robson, Joshua A. Ludke, Jessica M. Theodor
      Pages: 116 - 130
      Abstract: Leptoreodon is a basal member of the Protoceratidae, an extinct group of artiodactyls variably allied with the Camelidae and the Ruminantia. The basicranial morphology of other protoceratids (Leptotragulus, Protoceras, Syndyoceras) is similar to that of ruminants, supporting the hypothesis that the two clades are closely related. However, study of the basicranium of Leptoreodon major has revealed that protoceratid basicranial morphology is more variable than previously thought. Leptoreodon does share morphological features with some, if not all, other protoceratids, but the taxon also has some features not previously documented in the family. These previously undocumented features resemble the basicranial morphology of camelids rather than ruminants, suggesting that previous hypotheses of protoceratid relationships need to be reexamined.  
      PubDate: 2022-01-26
      DOI: 10.18435/vamp29378
      Issue No: Vol. 9, No. 1 (2022)
       
  • A New Record of Capybara (Rodentia: Caviidae: Hydrochoerinae) from the
           Pleistocene of San Diego County, California with Remarks on Their
           Biogeography and Dispersal in the Pleistocene of Western North America

    • Authors: Richard White, Jim Mead, Gary Morgan, Thomas A. Deméré
      Pages: 131 - 155
      Abstract: We describe a new species of capybara from late Pleistocene deposits (Rancholabrean NALMA) in northern San Diego County, California, USA which tentatively dates to Marine Isotope Stage (MIS) 5 interglacial (~130 ka to 80 ka). The specimen represents a new species of Hydrochoerus based on morphological characters of the upper incisor (I1) and the upper (maxillary) third molar (M3). Hydrochoerus hesperotiganites sp. nov. differs from other described species of Hydrochoerus in its larger size, wider skull roof, more robust zygomatic process of the maxilla and descending zygomatic process of the lacrimal and in details of the otic region. The new species is the only confirmed record of fossil Hydrochoerus in North America and is the northwestern-most record of any capybara in North America. All previous records of fossil capybara from North America represent one of two extinct genera, Neochoerus or Phugatherium. Northward dispersal of capybaras from central and southern México probably occurred along the coasts of Sinaloa and Sonora, entering the north or northeast flowing drainages which entered the Gulf of California, then further north into the San Simon drainage to the Gila River and ultimately into the Colorado River, or directly northward along the coast of Sonora to the mouth of the Colorado River.
      lsid: urn:lsid:zoobank.org:pub:BD2DA9EB-32EF-4761-8551-E585D6AF317C
      PubDate: 2022-02-28
      DOI: 10.18435/vamp29379
      Issue No: Vol. 9, No. 1 (2022)
       
  • Osteology of the cranium and Weberian apparatus of African catfish
           families (Teleostei: Ostariophysi: Siluriformes) with an assessment of
           Palaeogene genera

    • Authors: Alison M Murray, Robert Holmes
      Pages: 156 - 191
      Abstract: Although the vast majority of fossil catfish material is isolated elements such as fin spines, a number of fossil catfishes (Siluriformes) have been named based on articulated crania from Palaeogene formations of Africa. The fossil taxa from marine sediments have been assigned to the extant marine family Ariidae, or have been assumed to have washed into marine sediments from freshwater habitats. The ability to assess the relationships of these fossils without reference to the nature of the geological sediments may provide insight into the history of these families. Most of the taxonomic work on the 11 catfish families found in Africa has focused on soft-tissues or DNA, which is problematic for the fossil material. Here we provide osteological features to distinguish families of African catfishes; eight of the families that are likely to be found in fossiliferous deposits can be distinguished based on a combination of skull features including the morphology of the cranial fontanelle, mesethmoid, and dermal ornamentation. We reassess the familial placement of the Palaeogene catfishes. We find that †Eomacrones wilsoni, from the Palaeocene of Nigeria, belongs in Bagridae s.s. This confirms that bagrids were in Africa much earlier than the Miocene. Because this catfish comes from Palaeocene marine sediments, the biogeographic history of Bagridae needs to be reassessed to consider marine dispersal in this taxon.
      PubDate: 2022-03-02
      DOI: 10.18435/vamp29382
      Issue No: Vol. 9, No. 1 (2022)
       
  • A caenagnathid oviraptorosaur metatarsal from the Mesaverde Formation
           (Campanian), Wyoming

    • Authors: Chan-gyu Yun, Gregory G. Funston
      Abstract: A well-preserved left theropod metatarsal I from the Campanian Mesaverde Formation of Wyoming is described and identified as belonging to a caenagnathid, representing the first occurrence of this clade from the formation. The specimen is unique in being relatively small, but featuring a suite of characters (triangular shaft, less constriction between the shaft and the distal condyle, spherical distal condyle) that are seen in larger examples of Caenagnathidae such as Anzu wyliei or “Macrophalangia canadensis”. This suggests that the previously-observed differences in metatarsal I between small and large caenagnathids are not solely the result of allometry, but may represent phylogenetically informative variation. Although limited, this new specimen lends some support to the hypothesis that “Macrophalangia canadensis” does not represent a large Chirostenotes pergracilis. Furthermore, the specimen is important in establishing the presence of caenagnathids within the Mesaverde Formation fauna, in which theropod remains are poorly known.  
      PubDate: 2021-11-09
      DOI: 10.18435/vamp29376
      Issue No: Vol. 9, No. 1 (2021)
       
  • Constraining the body mass range of Anzu wyliei using volumetric and
           extant-scaling methods

    • Authors: Kyle Atkins-Weltman, Eric Snively, Patrick O'Connor
      Abstract: The ability to accurately and reliably estimate body mass of extinct taxa is a vital tool for interpreting the physiology and even behavior of long-dead animals. For this reason, paleontologists have developed many possible methods of estimating the body mass of extinct animals, with varying degrees of success. These methods can be divided into two main categories: volumetric mass estimation and extant scaling methods. Each has advantages and disadvantages, which is why, when possible, it is best to perform both, and compare the results to determine what is most plausible within reason. Here we employ volumetric mass estimation (VME) to calculate an approximate body mass for previously described specimens of Anzu wyliei from the Carnegie Museum of Natural History. We also use extant scaling methods to try to obtain a reliable mass estimate for this taxon.  In addition, we present the first digital life restoration and convex hull of the dinosaur Anzu wyliei used for mass estimation purposes. We found that the volumetric mass estimation using our  digital model was 216-280kg, which falls within the range predicted by extant scaling techniques, while the mass estimate using minimum convex hulls was below the predicted range, between 159-199 kg . The VME method for Anzu wyliei strongly affirms the predictive utility of extant-based scaling. However, volumetric mass estimates are likely more precise because the models are based on comprehensive specimen anatomy rather than regressions of a phylogenetically comprehensive but disparate sample.
      PubDate: 2021-09-28
      DOI: 10.18435/vamp29375
      Issue No: Vol. 9, No. 1 (2021)
       
  • A histological investigation of dental crown characters used in mosasaur
           phylogenetic analyses

    • Authors: Hallie Street, Aaron LeBlanc, Michael Caldwell
      Abstract: Mosasaur researchers have used varieties of tooth crown ornamentation as diagnostic and phylogenetic characters for decades. Such tooth crown features include facets, flutes, striations, serrated carinae, and coarse anastomosing texture. This study investigates the relative contribution of dentine and enamel to the development of these dental characters and assesses possible homologies between these structures. Histological analysis of isolated mosasaur teeth revealed that flutes and facets develop initially from the dentine, and the external enamel morphology we observe macroscopically mirrors the shape the underlying dentine. Striations combine underlying contributions from the dentine with additional and irregular enamel deposition that results strictly from amelogenesis. In both serrated carinae and anastomosing texture the border between the dentine and the enamel is smooth, and these external ornamentations form through variations in enamel development. Based on these observations, we infer that flutes and facets are part of a morphological spectrum and should not be treated as separate phylogenetic characters. Conversely, striations develop differently than flutes and facets, and should therefore be treated as a distinct character. We recommend referring to the “serrations” on mosasaur carinae as crenulations to differentiate these enamel-only structures from true denticles possessing a dentine core. Anastomosing texture can also coincide with significant apical thickening, both of which could be adaptations for processing hard-shelled prey. Care must be taken when using tooth crown features as diagnostic or phylogenetic characters because seemingly different morphologies can have similar developmental origins, and tooth morphology can be more closely tied to diet than to common ancestry.
      PubDate: 2021-09-22
      DOI: 10.18435/vamp29372
      Issue No: Vol. 9, No. 1 (2021)
       
  • New species of the ground sloth Parocnus from the late Pleistocene-early
           Holocene of Hispaniola

    • Authors: Robert McAfee, Sophia Beery, Renato Rimoli, Juan Almonte, Phillip Lehman, Siobhan Cooke
      Abstract: Parocnus dominicanus sp. nov. represents a new species of megalonychid ground sloth from the
      Altagracia Province of southeastern Dominican Republic. Specimens of multiple individuals, including one
      associated partial skeleton, were recovered from two separate underwater caves in the Parque Nacional del
      Este through collaborations with museums and cave divers between 2009–2013. Parocnus dominicanus sp.
      nov. is distinguished by its small size compared to that of P. serus, with percent differences in limb element
      lengths ranging from 13−24%. Numerous cranial and post-cranial elements also exhibit morphological character
      states that are not attributable to size variations. The recovery of multiple individuals within each locality
      demonstrates a size dimorphism, possibly sexual, which parallels patterns exhibited by P. serus. The two
      species are also geographically distinct, with no examples of co-occurrence at any localities to date. Parocnus
      dominicanus sp. nov. and P. serus share character states that are distinct from those of the Cuban species, P.
      browni, and which suggest differential usage of the forelimb. The exact age of the specimens described here is
      unknown, however, Parocnus has been dated to the Holocene in Haiti.
      http://zoobank.org/urn:lsid:zoobank.org:pub:12E495D3-E261-4522-9854-D3B4C2D5FFB8
      PubDate: 2021-08-31
      DOI: 10.18435/vamp29369
      Issue No: Vol. 9, No. 1 (2021)
       
  • A comparative morphological study of the sixth and seventh spinous
           processes of the cervical vertebrae in extinct and extant species of
           Equus.

    • Authors: Sharon May-Davis, Robert Hunter, Wendy Brown
      Abstract: The lateral profile of the 6th and 7th cervical spinous processes (CSPs) were examined in four extant
      species of Equus (n=33); E. caballus (n=26), E. przewalskii (n=3), E. quagga boehmi (n=1), E. asinus (n=3)
      and compared to pre-domesticated Equus specimens (n=66) representing three known species: E. occidentalis
      (n=56), E. mosbachensis (n=2), E. curvedins/insulatis (n=1) and unknown Equus species (n=7) from five museums.
      Six common morphological profiles were revealed: cuneate, curvate, falcate, rudimentary, scalenate,
      and truncate. For the 6th CSP, the distribution of these morphologies amongst extant Equus is: cuneate, only
      E. asinus; curvate, E. caballus and E. przewalskii always in combination with ligamentum lamina nuchae (lig.
      lamina nuchae) attachments from the 2nd through to 7th CSP inclusive; falcate, E. caballus and E. przewalskii
      always in combination with lig. lamina nuchae attachments from the 2nd through to 7th CSP inclusive;
      rudimentary, E. caballus always associated with lig. lamina nuchae attachments from the 2nd through to 5th
      CSP inclusive; scalenate, E. caballus in association with lig. lamina nuchae attachments from the 2nd through
      to 5th (n=11) or 7th (n=4) CSP inclusive; truncate, not present. The 6th CSP in museum specimens of Equus
      exhibits one of four profiles: cuneate (n=10), curvate (n=14), scalenate (n=11) and truncate (n=4). For the 7th
      CSP, the distribution of these morphologies amongst extant Equus is: curvate, E. caballus mostly associated
      with lig. lamina nuchae attachments from the 2nd through to 5th CSP inclusive, falcate, E. caballus mostly associated
      with lig. lamina nuchae attachments from the 2nd through to 7th CSP inclusive, scalenate, E. caballus
      associated with lig. lamina nuchae attachments from the 2nd through to 5th CSP inclusive. Only Rancho La
      Brea and Tar Pits Museum provided samples suitable for examination of the 7th CSP. These exhibited four
      profiles: curvate (n=7), falcate (n=11), scalenate (n=2), and truncate (n=7). These findings suggest that the
      lateral profile of the 6th CSP is of potential use in identification of species; attachments of the lig. lamina nuchae
      alter the morphology of the 6th and 7th CSP; and that attachments of the lig. lamina nuchae on the 2nd
      to 7th CSP were likely present in species of Equus prior to domestication.
      PubDate: 2021-06-21
      DOI: 10.18435/vamp29373
      Issue No: Vol. 9, No. 1 (2021)
       
  • CSVP 2021 abstracts

    • Authors: Alison M Murray, Hallie Street, Robert B. Holmes
      Abstract: Abstract volume for 2021 virtual online meeting of the Canadian Society of Vertebrate Palaeontology
      PubDate: 2021-05-21
      DOI: 10.18435/vamp29374
      Issue No: Vol. 9, No. 1 (2021)
       
 
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