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Amphechinus horncloudi

Mammalia - Erinaceidae

Taxonomy
Palaeoerinaceus horncloudi was named by Macdonald (1970). Its type locality is Monroe Creek (SDSM V-6229), which is in a Monroecreekian terrestrial horizon in the Monroe Creek Formation of South Dakota.

It was recombined as Amphechinus horncloudi by Rich and Rasmussen (1973) and Rich (1981).

Sister species lacking formal opinion data
A. rectus

Synonymy list
YearName and author
1970Palaeoerinaceus horncloudi Macdonald
1973Amphechinus horncloudi Rich and Rasmussen
1981Amphechinus horncloudi Rich

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Eulipotyphla
familyErinaceidaeFischer von Waldheim 1817
subfamilyErinaceinaeFischer de Waldheim 1817
tribeAmphechininiGureev 1979
genusAmphechinusAymard 1850
specieshorncloudi()

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.

†Amphechinus horncloudi Macdonald 1970
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: semifossorialf
Diet: insectivoref
Diet 2: carnivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2012-05-14 22:01:37
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Nowak 1991, Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979

Age range: Monroecreekian or 26.30000 to 24.80000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Arikareean29.5 - 18.5USA (Montana) Amphechinus horncloudi (17700) Amphechinus sp. (17543)
Chattian - Aquitanian28.1 - 20.44USA (Colorado) Erinaceidae indet. (19128)
Monroecreekian26.3 - 24.8USA (South Dakota) Brachyerix macrotis (17561) Palaeoerinaceus horncloudi (17560 type locality: 17564)