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Derorhynchus singularis

Osteichthyes - Derorhynchidae

Taxonomy
Derorhynchus singularis was named by Paula Couto (1952). Its type specimen is MNRJ 1348-V, a mandible (Incomplete right mandibular ramus), and it is a 3D body fossil. Its type locality is São José de Itaborai, which is in an Eocene fissure fill marl in the Itaboraí Formation of Brazil. It is the type species of Derorhynchus.

Synonymy list
YearName and author
1952Derorhynchus singularis Paula Couto p. 12

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
subclassSynapsida
Therapsida()
infraorderCynodontia()
Mammaliamorpha
Mammaliaformes
classMammalia
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
Marsupialiformes
Marsupialia()
AmeridelphiaSzalay 1982
familyDerorhynchidaePaula Couto 1962
genusDerorhynchusCouto 1952
speciessingularis

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.

Derorhynchus singularis Paula Couto 1952
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Diagnosis
No diagnoses are available
Measurements
partNmean
Lower Mandibular height at M3 height15.00
Lower Mandibular height at P4 height12.80

Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialf
Diet: omnivoref
Reproduction: viviparoussubc
Created: 2005-09-07 09:16:13
Modified: 2011-04-27 20:22:07
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Lillegraven 1979, Hopson 1973, Clemens 1979, Carroll 1988

Age range: Early/Lower Eocene or 56.00000 to 48.07000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Eocene56.0 - 48.07Brazil (Rio de Janeiro) Derorhynchus singularis (type locality: 118314)