Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Cydnus mamillanus was named by Scudder (1878). Its type specimen is 39, an exoskeleton (poorly preserved), and it is a compression fossil. Its type locality is Petrified fish cut (Richardson Coll), which is in a Bridgerian lacustrine - large diatomite/shale in the Green River Formation of Wyoming.
It was recombined as Procydnus mamillanus by Scudder (1890).
It was recombined as Procydnus mamillanus by Scudder (1890).
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.
†Procydnus mamillanus Scudder 1878
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Kiessling 2004, Bush and Bambach 2015 |
Age range: base of the Bridgerian to the top of the Chadronian or 50.30000 to 33.90000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Bridgerian | USA (Wyoming) | Cydnus mamillanus (type locality: 121306) | |
Chadronian | USA (Colorado) | Procydnus mamillanus (106384) |