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Nymphaster ornatus cottardi
Taxonomy
Chomataster ornatus cottardi was named by Breton (1988). Its type specimen is Muséum d'Histoire Naturelle of Le Havre, Holotype MHNH 8085 and is not a trace fossil.
It was recombined as Nymphaster ornatus cottardi by Breton (1992).
It was recombined as Nymphaster ornatus cottardi by Breton (1992).
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.
†Nymphaster ornatus cottardi Breton 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Breton 1992 | 10 superomarginal plates per interbrachial arc. Interbrachial arc rounded. Marginals at the base the arm, slightly cuneate, weakly differentiated. Maximum width of superomarginals at the base of the arm. Ornament of regular granule-pits. Small crater-shaped spine bases on marginals of the arms. Pedicellariae-pits of winged-type. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Blake 1990 | |||||
Collections
No collection or age range data are available