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Ceratodus nargun
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).
It was recombined as Neoceratodus nargun by Kemp (1997), Schultze (2004).
Sister species lacking formal opinion data
Synonymy list
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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
| Reference | Diagnosis | |
|---|---|---|
| A. Kemp 1997 | Punctations 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
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| 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 Albian | Australia (Victoria) | Ceratodus nargun (type locality: 38540) |