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Nanocetorhinus

Chondrichthyes

Taxonomy
Nanocetorhinus was named by Underwood and Schlogl (2013). Its type is Nanocetorhinus tuberculatus.

It was assigned to Neoselachii by Underwood and Schlogl (2013).

Species
N. tuberculatus (type species)

Synonymy list
YearName and author
2013Nanocetorhinus Underwood and Schlogl p. 502

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
—NeoselachiiCompagno 1977
genusNanocetorhinus

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.

G. †Nanocetorhinus Underwood and Schlogl 2013
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†Nanocetorhinus tuberculatus Underwood and Schlogl 2013
Diagnosis
ReferenceDiagnosis
C. J. Underwood and J. Schlogl 2013Teeth minute, rarely exceeding 1 mm high,
with a single cusp overlying an irregular to bilobed root.
Weak heterodonty other than compressed symphyseal teeth.
Cusp slender, over three time as long as wide, straight or
faintly curved. Cusp faces strongly convex with very well
developed cutting edge bearing weak and very irregular
serrations. Labial face of cusp with well developed granulae
or irregular granulate ridges. Flared collar at base of cusp
with fine pitted ornament. Root rather irregular with two
lobes present to a greater or lesser degree. Basal face of root
with irregular foramina or often incompletely closed over re−
sulting in single very large basal foramen.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: fast-movingg
Life habit: nektobenthicg
Diet: suspension feederg
Diet 2: carnivoreg
Created: 2014-09-15 11:54:11
Modified: 2014-09-15 11:56:19
Source: g = genus, subp = subphylum
References: Carroll 1988, Underwood and Schlogl 2013

Age range: Burdigalian or 20.44000 to 15.97000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97Slovakia N. tuberculatus (161895 161897 161898 161900 161901 161902)