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Ceratodus nargun

Osteichthyes - Ceratodontidae

Taxonomy
Ceratodus nargun was named by Kemp (1983). It is a 3D body fossil. Its type locality is Point Lewis, which is in an Albian fluvial sandstone in the Eumeralla Formation of Australia.

It was recombined as Neoceratodus nargun by Kemp (1997), Schultze (2004).

Synonymy list
YearName and author
1983Ceratodus nargun Kemp
1997Neoceratodus nargun Kemp p. 725
2004Neoceratodus nargun Schultze p. 489

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classOsteichthyes
subclassSarcopterygii()
infraclassDipnomorpha(Ahlberg 1991)
superorderDipnoi(Müller 1884)
familyCeratodontidaeGill 1872
genusCeratodus
speciesnargunKemp 1983

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.

Ceratodus nargun Kemp 1983
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Diagnosis
ReferenceDiagnosis
A. Kemp 1997Punctations simple and without pattern; procumbent mediolingual keel absent; medial edge of both lower and upper plates slightly curved; crest of ridge 1 curved in upper plate and straight in lower; ridge 1 of upper jaw curves into and away from symphysis evenly and ridge 1 of lower jaw angles in to symphysis anteriorly; enamel-to-bone junction on labial face straight.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: lagoonal, marine, brackish, freshwatersubc
Locomotion: actively mobilec
Life habit: planktonicp
Diet: suspension feederp
Created: 2026-03-22 14:39:02
Modified: 2026-03-22 14:39:02
Source: subc = subclass, c = class, subp = subphylum, p = phylum
References: Bambach et al. 2007, Truuver and Meidla 2015, Hendy et al. 2009, Kiessling 2004, Carroll 1988

Age range: Early/Lower Albian or 113.20000 to 110.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Albian113.2 - 110.1Australia (Victoria) Ceratodus nargun (type locality: 38540)