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Spalacotherium evansae

Mammalia - Spalacotheriidae

Taxonomy
Spalacotherium evansae was named by Ensom and Sigogneau-Russell (2000). Its type specimen is DORCM GS 355, a mandible (fragmentary right mandible), and it is a 3D body fossil. Its type locality is Sunnydown Farm Quarry (clay: upper horizon; equivalent to DB 102/103 ), which is in a Berriasian/Berriasian lacustrine - small limestone/claystone in the Lulworth Formation of the United Kingdom.

Synonymy list
YearName and author
2000Spalacotherium evansae Ensom and Sigogneau-Russell pp. 768-774 figs. 2-7, 10
2004Spalacotherium evansae Kielan-Jaworowska et al. pp. 345, 367-368

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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
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Spalacotherioidea
familySpalacotheriidaeMarsh 1887
genusSpalacotherium
speciesevansae

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.

†Spalacotherium evansae Ensom and Sigogneau-Russell 2000
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Diagnosis
ReferenceDiagnosis
P. Ensom and D. Sigogneau-Russell 2000Lower molars differ from those of S. tricuspidens and S. henkeli by their smaller size, the incompleteness of the labial cingulum and the near equality of the roots with a similar labial extension; they further differ from those of S. henkeli by the absence of basal anterior and posterior swellings and by the paraconid being equal to or lower than the metaconid. They differ from the sole molar of S. taylori by the incomplete labial cingulum, and from all species by the individualisation, on some specimens, of a tinodontid-type cuspule f antero-labially (very narrow interlocking).
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: Hopson 1973, Luo et al. 2003, Hendy et al. 2009, Carroll 1988

Age range: base of the Early/Lower Berriasian to the top of the Middle Berriasian or 145.00000 to 140.20000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2United Kingdom (England) Spalacotherium evansae (type locality: 28401 28995)
Early/Lower Berriasian - Middle Berriasian145.0 - 140.2France (Poitou-Charentes) Spalacotherium evansae (61930)
Middle Berriasian145.0 - 140.2United Kingdom (England) Spalacotherium evansae (122769)
Berriasian145.0 - 139.8France (Poitou-Charentes) Spalacotherium evansae (142093)