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Peramuroides tenuiscus

Mammalia - Peramura - Peramuridae

Taxonomy
Peramuroides tenuiscus was named by Davis (2012). Its type specimen is BMNH M47744, a mandible (a left dentary fragment preserving alveoli for i1–i5, the canine and the m2 and crowns of the i3, p1–p5 and m1), and it is a 3D body fossil. Its type locality is Mammal Bed, Durlston Bay (DB83), which is in a Berriasian marine horizon in the Lulworth Formation of the United Kingdom. It is the type species of Peramuroides.

Synonymy list
YearName and author
2012Peramuroides tenuiscus Davis p. 803 figs. Figures 3G, 10–11

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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
RankNameAuthor
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
orderPeramura()
familyPeramuridaeKretzoi 1946
genusPeramuroides
speciestenuiscus

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.

†Peramuroides tenuiscus Davis 2012
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Diagnosis
ReferenceDiagnosis
B. M. Davis 2012Differs from other peramurids in smaller size, having a relatively very small increase in size between p3 and p4 and an obtuse trigonid angle on m1 (approximately 110 degrees); differs from Peramus in somewhat weaker development of cusps e and f on m2 and m3; differs from Kouriogenys gen. nov. in having a two-rooted p1, p4 equal to p5 in mesiodistal length and m3 mesiodistally much shorter than m2; differs from Tendagurutherium in absence of subcondylar fossa and absence of evidence for the coronoid bone.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, uc = unranked clade
References: Luo et al. 2003, Carroll 1988, Hopson 1973, Hendy et al. 2009

Age range: Middle Berriasian or 145.00000 to 140.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Berriasian145.0 - 140.2United Kingdom (England) Peramuroides tenuiscus (type locality: 72142)