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Lycopsis longirostrus

Mammalia - Sparassodonta

Taxonomy
Lycopsis longirostrus was named by Marshall (1977) [UCMP 38061, right half of skull with C-M4, right dentary with root of C, P1-M4 complete, and greater part of articulated skeleton. UCMP loc V4527]. It is considered to be a form taxon. Its type specimen is UCMP 38061, a partial skeleton (Upper P1), and it is a 3D body fossil.

Synonymy list
YearName and author
1977Lycopsis longirostrus Marshall
1979Lycopsis longirostrus Marshall

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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
RankNameAuthor
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
—Marsupialiformes
orderSparassodonta()
superfamilyBorhyaenoideaAmeghino 1894
genusLycopsis
specieslongirostrus

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.

†Lycopsis longirostrus Marshall 1977
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Diagnosis
ReferenceDiagnosis
L. G. Marshall 1977Differs from L. torresi in being larger in size; in M4 being narrower than M3; in P2 being larger than P3; and in the ventral border of the mandibular ramus being straight. In addition, a paracingulum occurs on M1-3; hypoconid is larger than hypoconulid or entoconid on M1-2; skull is dolicocephalic; petrosal lacks a subarcuate fossa, pars mastoidea, and tympanic process; tympanic process of alisphenoid is lacking; no evidence of an ossified auditory bulla; foramen ovale
small; foramen lacerum medium, carotid canal and transverse canal all very small.
Measurements
partNmeanminimummaximummedians.d.
Canine crown diameter28.897.9010.08.951.48
Condyloid process diameter18.20----
Ramus height130.0----
Ramus height123.0----
Upper Canine crown height118.9----

Composition: phosphaticsubp
Environment: terrestrials
Locomotion: actively mobilec
Life habit: ground dwellings
Diet: carnivores
Reproduction: viviparoussubc
Created: 2013-02-16 05:04:16
Modified: 2013-02-15 12:04:16
Source: s = species, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Marshall 1977, Clemens 1979, Lillegraven 1979, Carroll 1988

Age range: Laventan or 13.80000 to 11.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Laventan13.8 - 11.0Colombia (Huila) Lycopsis longirostrus (135373)
Laventan13.8 - 11.0Colombia Lycopsis longirostrus (13750)