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Protolabis coartatus

Mammalia - Camelidae

Taxonomy
Procamelus coartatus was named by Stirton (1929). Its type specimen is UCMP 19820, a partial skeleton (mandible with complete dentition; rostral portion of the skull with Is, C, and P1 on either side; distal end of the humerus; ulno-radius complete; all carpals p), and it is a 3D body fossil.

It was recombined as Protolabis coartatus by Honey and Taylor (1976), Honey et al. (1998), Honey (2007), May (2019).

Synonyms
  • Protolabis notiochorinos was named by Patton (1969). Its type specimen is UT-BEG 31132-332, a mandible (mandible with p4-m3 intact; p2-p3, broken below crown. p1 allveolus present.), and it is a 3D body fossil. Its type locality is Bridge Ranch, Normanna, which is in a Clarendonian terrestrial sandstone/claystone in the Goliad Formation of Texas.

    It was synonymized subjectively with Protolabis coartatus by Honey and Taylor (1976), Honey et al. (1998), May (2019).
Synonymy list
YearName and author
1929Procamelus coartatus Stirton p. 295 figs. 2 - 4
1969Protolabis notiochorinos Patton p. 152 figs. 14 and 15
1976Protolabis coartatus Honey and Taylor
1998Protolabis coartatus Honey et al.
2007Protolabis coartatus Honey p. 188
2019Protolabis coartatus May

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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()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
suborderTylopoda()
familyCamelidae
subfamilyProtolabinaeZittel 1893
genusProtolabis
speciescoartatus()

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.

†Protolabis coartatus Stirton 1929
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Invalid names: Protolabis notiochorinos Patton 1969 [synonym]
Diagnosis
ReferenceDiagnosis
T. H. Patton 1969 (Protolabis notiochorinos)A species of Protolabis intermediate in size between P. longiceps and P. heterodontus. Premolars more reduced than in heterodontus. p1 two-rooted; p2, p3, and p4 highly reduced. p4 very narrow and with posterior lobe smaller than middle lobe, in contrast to longiceps and heterodontus. Masseteric region of mandible more greatly flared than in longiceps.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialo
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: browserf
Diet 2: browserf
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-31 16:42:02
Source: f = family, o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Nowak 1999, Nowak 1991, Lillegraven 1979

Age range: Clarendonian or 12.50000 to 9.40000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.04 - 5.333USA (Arizona) Protolabis coartatus (19301 19354 19580)
Clarendonian12.5 - 9.4USA (Nevada) Procamelus gracilis (18888) Protolabis coartatus (18845)
Clarendonian12.5 - 9.4USA (Arizona) Protolabis coartatus (19315 19429 19436 19543)
Clarendonian12.5 - 9.4USA (Texas) Protolabis coartatus (18104) Protolabis sp. (18610 18623)