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Merychippus

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Journal Article
Published: 01 November 1986
Journal of Paleontology (1986) 60 (6): 1277–1280.
Journal Article
Journal: Paleobiology
Published: 01 July 1985
Paleobiology (1985) 11 (3): 323–335.
Journal Article
Journal: Geology
Published: 01 March 1991
Geology (1991) 19 (3): 242–245.
... and nonmarine sequence of the Florida panhandle calibrates the base of this adaptive radiation. The transition from the primitive outgroup species "Parahippus" leonensis to the most primitive high-crowned horse, "Merychippus" gunteri occurred after about 17.7 Ma. After this event, the lowest known stratigraphic...
Journal Article
Published: 01 January 1965
Journal of Paleontology (1965) 39 (1): 103–107.
...Morton Green Abstract An outcrop of silt- and mudstone in Jerauld County, S. Dak., has produced a small collection of fossil vertebrates, including Monosaulax sp. and Merychippus sp. These strata, heretofore doubtfully referred to the Oligocene-Miocene and the Pliocene by authors, can now be dated...
Journal Article
Journal: GSA Bulletin
Published: 01 August 1955
GSA Bulletin (1955) 66 (8): 977–992.
..., near the village of Nejapa, a Merychippus palate and bones of a camelid, indicative of Miocene age, were found. MUSEUM OF PALEONTOLOGY, UNIVERSITY OF CALIFORNIA, BERKELEY, CALIF.; INSTITUTO GEOLOGICA, MEXICO, D. F.; MUSEUM OF PALEONTOLOGY, UNIVERSITY OF CALIFORNIA, BERKELEY, CALIF. 13 4...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1939
AAPG Bulletin (1939) 23 (4): 517–558.
... on Eocene strata older than the basin is the basin sequence; reading upward, fragments of non-marine Mint Canyon (early Upper Miocene) yielding Hipparion , Merychippus , Protohippus , and Parahippus (?) near-by, then 2,000 feet of upper Monterey (late Upper Miocene) yielding a Neroly marine macrofauna...
FIGURES | View All (13)
Image
—Comparative views of milk teeth (    D  p   2  ¯     ,     D  p   3  ¯    ...
Published: 01 July 1935
Fig. 2. —Comparative views of milk teeth ( D p 2 ¯ , D p 3 ¯ , and D p 4 ¯ ) and first permanent molars of (a) Pliohippus sp., No. 317, Kern River Pliocene, California, (b) Protohippus tehonensis , No. 1825, Chanac formation, California, and (c) Merychippus
Image
Figure  2. Cheek tooth crown height in extant and fossil equids. A, B, Basi...
Published: 01 March 2006
= “ Merychippus ” insignis ; mio = Miohippus ; mp = “ Merychippus ” primus ; na = Nannippus ; ne = Neohipparion ; on = Onohippidium ; or = Orohippus ; pc = “ Parahippus “ cognatus ; pl = “ P .” leonensis ; pr = Protohippus .
Image
Figure  1. Phylogeny of North American Equidae. Boxes mark the fossil occur...
Published: 01 March 2006
, CLARE = Clarendonian, DUCH = Duchesnean, HEM = Hemingfordian, HEMPH = Hemphillian, ORELL = Orellan, PE = Pleistocene, PLIO = Pliocene, WASAT = Wasatchian, WHIT = Whitneyan, E = early, M = middle, L = late. “ M .” = “ Merychippus .” Lineages of hypsodont horses (in the Equinae clade) are marked
Image
Figure  4.  Carbon (a), oxygen (b), and strontium (c) isotope data collecte...
Published: 01 January 2003
= Hipparion ; LO = large odontocete; M = Merychippus ; SO = small odontocete. Enlarged, closed symbols represent the mean value for each taxon or group, and all other values are plotted as open symbols. Vertical bars represent ±1σ. Estimated range in middle Miocene seawater 87 Sr/ 86 Sr values is based
Image
Figure  6. Comparison between occurrences of equid taxa and grass-dominated...
Published: 01 March 2006
adjacent to Nebraska/Wyoming). Taxa: “ P .” = “ Parahippus ;” “ M .” = “ Merychippus .” Note that MacFadden et al. (1991) would place the divergence of the Equinae lineage and “ P .” leonensis at a point in time after 17.7 ± 1.4 Ma, based on the assumption that “ P .” leonensis represented
Image
Figure  6. Comparison between occurrences of equid taxa and grass-dominated...
Published: 01 March 2006
adjacent to Nebraska/Wyoming). Taxa: “ P .” = “ Parahippus ;” “ M .” = “ Merychippus .” Note that MacFadden et al. (1991) would place the divergence of the Equinae lineage and “ P .” leonensis at a point in time after 17.7 ± 1.4 Ma, based on the assumption that “ P .” leonensis represented
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1935
AAPG Bulletin (1935) 19 (7): 1064–1068.
...Fig. 2. —Comparative views of milk teeth ( D p 2 ¯ , D p 3 ¯ , and D p 4 ¯ ) and first permanent molars of (a) Pliohippus sp., No. 317, Kern River Pliocene, California, (b) Protohippus tehonensis , No. 1825, Chanac formation, California, and (c) Merychippus...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1956
AAPG Bulletin (1956) 40 (9): 2233–2246.
... fragmentary specimens to Leidy, whose main descriptions and figures are found in two papers (1869, 1873). This material consists of the following species as described by Leidy: (1869) Anchippus texanus, Hipparion speciosum, Merychippus insignis, Rhinoceros meridianus and (1873) Hipparion sp., Protohippus...
FIGURES
Journal Article
Journal: Paleobiology
Published: 03 May 2016
Paleobiology (2016) 42 (4): 643–658.
.... However, other taxa from cool intervals show no such relationship, and in one case (early early Arikareean Mesocyon ) a significant negative relationship exists. A further refutation of Bergmann’s rule is Merychippus , an extremely well-sampled taxon that shows a clear...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1945
AAPG Bulletin (1945) 29 (12): 1721–1732.
... and fauna .—Between Oakville and Fort Merrill (about 8 1 2 miles below George West) Dumble (1903, p. 957) collected Merychippus insignis Leidy, Merychippus ( Protohippus ) perditus Leidy, Merychippus ( Protohippus ) placidus Leidy, and Aphelops meridianus Leidy, all of which were...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1944
AAPG Bulletin (1944) 28 (7): 977–1011.
... rhinoceros, with the proportions of Teleoceras. Upper molar of a horse, either Protohippus or a long-crowned Merychippus.” Matthew stated that “both these specimens indicate late Miocene or possibly early Pliocene age, the horse tooth being pretty certain evidence.” 14 With that collection...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 1935
AAPG Bulletin (1935) 19 (4): 521–536.
... in California begins with a widespread transgression of the sea is not sound. Species of fossil mammals have played an important role in the age assignment of the Vaqueros formation. Especially cited is the Merychippus zone of the Temblor formation of the region north of Coalinga, best known through...
Journal Article
Journal: Paleobiology
Published: 01 March 2006
Paleobiology (2006) 32 (2): 236–258.
... = “ Merychippus ” insignis ; mio = Miohippus ; mp = “ Merychippus ” primus ; na = Nannippus ; ne = Neohipparion ; on = Onohippidium ; or = Orohippus ; pc = “ Parahippus “ cognatus ; pl = “ P .” leonensis ; pr = Protohippus . ...
FIGURES | View All (7)
Journal Article
Journal: Paleobiology
Published: 01 January 2003
Paleobiology (2003) 29 (4): 506–519.
... = Hipparion ; LO = large odontocete; M = Merychippus ; SO = small odontocete. Enlarged, closed symbols represent the mean value for each taxon or group, and all other values are plotted as open symbols. Vertical bars represent ±1σ. Estimated range in middle Miocene seawater 87 Sr/ 86 Sr values is based...
FIGURES | View All (4)