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Nucleopygus texanus
Taxonomy
Echinobrissus texanus was named by Clark (1891). It is a 3D body fossil. Its type locality is USGS 768, Austin, which is in a Coniacian carbonate chalk in the Austin Chalk Formation of Texas.
It was recombined as Nucleopygus texanus by Cooke (1953).
It was recombined as Nucleopygus texanus by Cooke (1953).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Echinobrissus texanus Clark |
| 1915 | Echinobrissus texanus Clark and Twitchell p. 70 |
| 1953 | Nucleopygus texanus Cooke p. 13 figs. Pl 4, figs 5-7 |
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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.
†Nucleopygus texanus Clark 1891
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Aberhan 1992 | |||||