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Messelobunodon ceciliensis

Mammalia - Dichobunidae

Taxonomy
Messelobunodon ceciliensis was named by Franzen and Krumbiegel (1980) [fragmentary skull of juvenil individual, in the Geiseltalmuseum of Martin-Luther-Universita, Halle-Wittenberg, Germany]. Its type specimen is Cl NO 305, Geiseltal, Germany, a skull (skull with upper dentition), and it is a 3D body fossil. Its type locality is Geiseltal, Cl IV, Grube "Cecilie", Trichter NE, which is in a Lutetian lacustrine horizon in Germany. It is the type species of Eurodexis.

It was recombined as Eurodexis ceciliensis by Sudre and Erfurt (1996), Erfurt and Sudre (1996), Theodor et al. (2007) and Luccisano et al. (2020).

Synonymy list
YearName and author
1980Messelobunodon ceciliensis Franzen and Krumbiegel pp. 1553-1560 figs. fig. 1-3
1996Eurodexis ceciliensis Erfurt and Sudre p. 379
1996Eurodexis ceciliensis Sudre and Erfurt
2007Eurodexis ceciliensis Theodor et al. p. 49
2020Eurodexis ceciliensis Luccisano et al. p. 1637

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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
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
superfamilyDichobunoideaGill 1872
familyDichobunidaeGill 1872
subfamilyDichobuninaeTurner 1849
genusMesselobunodonFranzen 1980
speciesceciliensis

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.

Messelobunodon ceciliensis Franzen and Krumbiegel 1980
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Diagnosis
ReferenceDiagnosis
J. L. Franzen and G. Krumbiegel 1980One species of Messolobunodon, which differs from Type-specimen M. schaeferi FRANZEN 1980 by a distinct Hypocone at upper M1-2, and a corresponding Entoflex (Terminoloy from Coombs& Combs, 1977, p. 292, fig.1) at the broad lingual side of those teeth.
J. Erfurt and J. Sudre 1996Bisher größte Art der Gattung. Außenhöcker der oberen Molat'en mit Centrocrista. Hypoconus am M' und M2 deutlich auf Postcingulum ausgebildet. Ectocingulum umfaßt Metaconus, und streicht am Paraconus aus. Untere Molaren mit Postentocristid, das im abgewinkelten Verlauf zum Hypoconulid gerichtet ist (vgl. Abb. 2 und Tafel 2, Fig. 6). Am P 4 existiert ein Metaconid.
V. Luccisano et al. 2020(following Theodor et al. 2007). Small dichobunids with triangular, evenly sized upper molars, M3/ slightly smaller than M2/. M1/ and M2/ bear a hypocone but no mesostyle. P1s are separated by a mesial diastema from the canines and a distal diastema from P2s. All canines small, C and p/1 premolariform. Lower canine incisiform, closely appressed to incisors. Trigonid much higher than talonid; paraconid weakly separated from metaconid by a shallow notch. Talonid basin is lingually closed by a preentocristid. Postentocristid often connected to posthypocristid. A hypoconulid is situated on a short postcingulid.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: frugivoref
Diet 2: omnivoref
Reproduction: viviparoussubc
Created: 2005-09-01 06:18:28
Modified: 2005-09-01 08:18:28
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Lillegraven 1979, Nowak 1999, Carroll 1988, Blondel 1996

Age range: Lutetian or 47.80000 to 41.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Lutetian47.8 - 41.3Germany (Sachsen-Anhalt) Messelobunodon ceciliensis (13322 type locality: 45739)