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Amphechinus minutissimus

Mammalia - Lipotyphla - Erinaceidae

Taxonomy
Amphechinus minutissimus was named by Ziegler et al. (2007). Its type specimen is NHMW 2005z0199/0001, a tooth (M1 sup. dext.), and it is not a trace fossil. Its type locality is DEL-B/12, Valley of Lakes, Central Mongolia, which is in an Oligocene terrestrial horizon in the Hsanda Gol Formation of Mongolia.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
2007Amphechinus minutissimus Ziegler et al. p. 104 figs. Fig. 12/9

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
orderLipotyphlaHaeckel 1866
familyErinaceidaeFischer von Waldheim 1817
subfamilyErinaceinaeFischer de Waldheim 1817
tribeAmphechininiGureev 1979
genusAmphechinusAymard 1850
speciesminutissimus

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.

Diagnosis
ReferenceDiagnosis
R. Ziegler et al. 2007Smallest Amphechinus species known so far. It differs from all species of the genus in its distinctly smaller size, and it is characterised by the co-occurrence of the following traits: dental formula 2-1-2-3, p2 single-rooted, m3 single-rooted without vestige of a talonid or postcingulid, M1 and M2 without metaconule.