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Journal Article
Published: 01 December 1987
Canadian Journal of Earth Sciences (1987) 24 (12): 2572–2574.
...J. A. Holman; Tim T. Tokaryk Abstract A relatively complete shell of a giant land tortoise, Geochelone sp., from the Middle Miocene Wood Mountain Formation of Saskatchewan further documents records heretofore based on fragments. The occurrence of this tortoise in fossil deposits in Canada has...
Journal Article
Published: 01 July 1966
Journal of Paleontology (1966) 40 (4): 877–882.
...Walter Auffenberg Abstract A new species of land tortoise, Geochelone (Hesperotestudo) alleni, is described from the Hemphillian faunal zone of late middle Pliocene age of Florida. G. alleni is clearly a member of the turgida group and is most closely related to G. incisa of the Pleistocene Series...
Journal Article
Published: 01 September 2003
Journal of Paleontology (2003) 77 (5): 985–1001.
...) for the following taxa that characterize or are found in earlier Blancan faunas: Alilepus , Geomys quinni , Sigmodon minor , and Geochelone . Borchers currently also has the HSDs for Reithrodontomys pratincola and Ondatra zibethicus / idahoensis , but the prior temporal distribution of these taxa in the Meade Basin...
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Series: Contributions to Geology, Contributions to Geology
Published: 01 January 1974
DOI: 10.2113/gsrocky.13.special_paper_2.1
EISBN: 9780989762618
... than the Sand Draw, Broadwater, and Blanco faunas. It is younger than the Curtis Ranch fauna. Faunal and paleomagnetic correlation indicate it is about 2.5 m.y. old. Tapirus, Geochelone , and Sigmodon indicate the climate was mild and precipitation was much more effective than at present. Savanna...
Journal Article
Published: 01 September 1971
Canadian Journal of Earth Sciences (1971) 8 (9): 1148–1151.
...J. Alan Holman Abstract Giant land tortoises, Geochelone , occur at four collecting localities in the Wood Mountain Formation, southern Saskatchewan. These fossils suggest a subtropical climate in southern Saskatchewan during Upper Miocene (Barstovian) times. Des tortues terrestres géantes...
Series: GSA Special Papers
Published: 01 January 1969
DOI: 10.1130/SPE105-p1
... moist than those in the area today. The Cragin Quarry local fauna (Sangamon) occurs in sediments which overlie the Butler Spring local fauna. It includes a large and diverse mammalian assemblage; many of the species are upland prairie forms. The remains of the tortoises Gopherus and Geochelone...
Journal Article
Published: 01 March 1964
Journal of Paleontology (1964) 38 (2): 316–324.
... characters are added, and comparisons are made with Gopherus and Geochelone. Validity of European species placed in the genus are discussed. Testudo amphithorax and T. uintensis of the North American Tertiary probably should be assigned to Stylemys. GeoRef, Copyright 2004, American Geological Institute...
Journal Article
Published: 01 January 1979
Bulletin de la Société Géologique de France (1979) S7-XXI (3): 323–327.
...F. de Broin GeoRef, Copyright 2008, American Geological Institute. 1979 Africa Anapsida Cenozoic Chelonia Chordata Cyclanorbis Cycloderma East Africa Emys Erymnochelys Ethiopia evolution Geochelone Kenya Mauremys Miocene Neogene paleontology Pelomedusidae Pelusios...
Journal Article
Published: 01 January 2014
Journal of Paleontology (2014) 88 (1): 204.
... Copyright © 2014, The Paleontological Society 2014 H olman (1998, p. 142) referred large testudinid fragments from the early Miocene Delaware Pollack Farm site to Geochelone sp., noting their close resemblance to a co-occurring species he identified as Geochelone wilsoni...
(a) XY scatter plot of relative warps 1 and 2 from the combined analysis sh...
Published: 02 February 2016
37193, Zoological Collection of the Museum für Naturkunde, Berlin); scale bar 5 cm. (e) Internal view of a costal section of the carapace of the freshwater turtle Geochelone eocaenica (GMH XXXVI-416-1963) with crocodylian bite mark preserved, including surrounding
Journal Article
Published: 04 July 2013
Geological Magazine (2013) 150 (6): 1143–1149.
... tortoises (Hansen et al . 2010 ). On their respective island ecosystems, these tortoises are major herbivores and important seed dispersal agents. Geochelone nigrata , found on Santa Cruz Island in the Galapagos, shows evidence of co-evolution with Psidium plants based...
Journal Article
Journal: Paleobiology
Published: 01 May 2019
Paleobiology (2019) 45 (2): 363–377.
... paleoclimate proxy. The Quaternary tortoise genera found in the southern United States and northern Mexico were the high-domed Hesperotestudo —previously assigned to Geochelone— and the vertically compressed Gopherus and Xerobates . Of these, only small (<10 kg) members of Gopherus and Xerobates...
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Journal Article
Published: 01 November 2009
Journal of Paleontology (2009) 83 (6): 975–980.
... so far only produced remains that can be identified as C. chilensis and the remain of a now extinct giant tortoise (e.g., de la Fuente, 1997 , 1999 ; Noriega et al., 2000 , 2004 ). Large tortoises from South America were historically classified as Geochelone , but they likely represent extinct...
Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP442.9
EISBN: 9781786202925
...; Perrigo 1984 ). Turtles are best known, with a particularly interesting turtle in the guise of the tortoise Geochelone costarricensis from the ‘Oligo-Miocene’ or ‘Eocene’ of Peralta de Limón in Costa Rica. Segura (1944) first described this tortoise, which is considered to be an early immigrant from...
Series: The Micropalaeontological Society, Special Publications, The Micropalaeontological Society, Special Publications
Published: 01 January 2007
DOI: 10.1144/TMS002.13
EISBN: 9781862396203
... to areas of high precipitation; e.g. Nile River. Markwick (1998) Turtles Dependence on temperature and precipitation, but details vary according to family This study Tortoises (Testudinidae) Non-freezing conditions (especially giant tortoises, genus Geochelone ) Giant tortoises have been used...
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Journal Article
Published: 01 May 2006
Journal of Paleontology (2006) 80 (3): 604–605.
... suggest modern climatic conditions, but the muskrat ( Ondatra ), bog lemming, and tapir ( Tapirus ) imply moister and cooler summers. Others, including the kangaroo rat ( Dipodomys ) and swift fox ( Vulpes velox ), suggest more arid conditions. The giant tortoise ( Geochelone ) indicates warmer winters...
Journal Article
Published: 01 July 2013
Journal of Paleontology (2013) 87 (4): 570–588.
.... That material, none of it illustrated, was identified and described as Kinosternon sp., Chrysemys complex indeterminate, and ‘ Geochelone ' cf. ‘ G .' wilsoni Auffenberg 1964 (now Hesperotestudo wilsoni ). Four additional species of nonmarine turtles (two of which are new species) and two...
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Series: GSA Field Guides
Published: 21 March 2019
DOI: 10.1130/2019.0053(01)
EISBN: 9780813756530
... (Equidae indet.), and deer (Cervidae indet.). Many additional land mammals are listed in Sanders (2002) ; Leidy (1877) figured a tooth of the giant ground sloth Eremotherium and shell fragments of a giant tortoise ( Geochelone sp.). Marine vertebrate fossils of uncertain origin: Many taxa...
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..., Geochelone (= Hesperotestudo) wilsoni. Tamsitt ( 1957 ) worked with Peromyscus, which were reviewed again by Robert Martin in 1968. Meade ( 1961 ), as mentioned previously, reviewed the Homotherium fossils, and Lundelius ( 1960 ) described the long-nosed peccary, Mylohyus nasutus. Lundelius (1961...
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Journal Article
Published: 01 May 2012
Journal of Paleontology (2012) 86 (3): 539–557.
... that include: 1) Geochelone costarricensis from the Oligocene–Miocene of Costa Rica ( Coates, 1999 ; Segura, 1944 ); 2) carapace pieces of Rhinoclemmys sp. and shells of Geochelone sp. from the late Miocene of Honduras (D. Webb and Perrigo, 1984 ); 3) isolated costal bones of a trionychid from the Pliocene...
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