Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Hemiauchenia blancoensis

Mammalia - Camelidae

Taxonomy
Tanupolama blancoensis was named by Meade (1945) [also said to be 1944]. Its type locality is Meade's Quarry 11, which is in a Blancan terrestrial horizon in the Blanco Formation of Texas.

It was synonymized subjectively with Hemiauchenia macrocephala by Dalquest (1992); it was recombined as Hemiauchenia blancoensis by Webb (1974), Breyer (1977), Kurten and Anderson (1980), Schultz (1990), Kelly (1994), Honey et al. (1998), Jimenez-Hidalgo and Carranza-Castaneda (2010).

Sister species lacking formal opinion data
H. vitakerianus

Synonymy list
YearName and author
1945Tanupolama blancoensis Meade
1965Tanupolama blancoensis Webb p. 34
1966Tanupolama blancoensis Slaughter p. 84
1974Hemiauchenia blancoensis Webb
1977Hemiauchenia blancoensis Breyer
1980Hemiauchenia blancoensis Kurten and Anderson p. 306
1990Hemiauchenia blancoensis Schultz
1994Hemiauchenia blancoensis Kelly
1998Hemiauchenia blancoensis Honey et al.
2010Hemiauchenia blancoensis Jimenez-Hidalgo and Carranza-Castaneda pp. 52 - 56 figs. Figure 2, Tables 2, 3

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
suborderTylopoda()
familyCamelidae
subfamilyCamelinaeGray 1821
tribeLaminiWebb 1965
genusHemiauchenia
speciesblancoensis()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

show all | hide all
Diagnosis
ReferenceDiagnosis
E. Jimenez-Hidalgo and O. Carranza-Castaneda 2010Occlusal length of the lower tooth row longerthan inH. macrocephalain an equivalent stage of wear,mandibular diastema shorter than inH. macrocephala, longerthan inPleiolama vera(Matthew) 1909 (this species wasformerly included inHemiauchenia); canine laterally com-pressed and situated immediately behind i3, p1 caniniform,separated from the canine by a short diastema, p2 absent, p3 variably present and with two roots; hypsodonty of cheekteeth intermediate betweenP. veraandH. macrocephala; limbsvery long and slender (Hibbard and Riggs, 1949; Webb, 1974;Breyer, 1977; Honey et al., 1998).
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserg
Diet 2: grazerg
Reproduction: viviparoussubc
Created: 2009-01-04 10:39:26
Modified: 2009-01-04 12:39:26
Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Nowak 1999, Lillegraven 1979, Nowak 1991, MacFadden and Cerling 1996, Hendy et al. 2009, Carroll 1988

Age range: Blancan or 4.70000 to 1.40000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.7 - 1.4Mexico (Guanajuato) Camelidae indet. (20077)
Blancan4.7 - 1.4USA (Kansas) Hemiauchenia blancoensis (19932)
Blancan4.7 - 1.4USA (Florida) Hemiauchenia blancoensis (19755)
Blancan4.7 - 1.4USA (Texas) Pliauchenia sp. (20023 20027) Tanupolama blancoensis (207491)