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Tinodon micron

Mammalia - Tinodontidae

Taxonomy
Tinodon micron was named by Ensom and Sigogneau-Russell (2000). Its type specimen is DORCM GS 1110, a tooth (left lower molar with broken paraconid), 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
2000Tinodon micron Ensom and Sigogneau-Russell pp. 774-778 figs. 8A-B, 9C-E, 10
2004Tinodon micron Kielan-Jaworowska et al. pp. 345, 364

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
familyTinodontidaeMarsh 1887
genusTinodon
speciesmicron

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.

Tinodon micron Ensom and Sigogneau-Russell 2000
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Diagnosis
ReferenceDiagnosis
P. Ensom and D. Sigogneau-Russell 2000Lower molars differ from those of both Tinodon bellus and T. lepidus by their smaller size, the presence of posterior and anterior labial cingula, a less centrally acute lingual cingulum, and a lesser occlusal
angulation of the cusps.