Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Zygiocuspis
Taxonomy
Zygiocuspis was named by Cifelli (1990). Its type is Zygiocuspis goldingi.
It was assigned to Trituberculata by Cifelli (1990) and McKenna and Bell (1997); and to Boreosphenida by Kielan-Jaworowska et al. (2004).
It was assigned to Trituberculata by Cifelli (1990) and McKenna and Bell (1997); and to Boreosphenida by Kielan-Jaworowska et al. (2004).
Species
Z. goldingi (type species)
Synonymy list
Year | Name and author |
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1990 | Zygiocuspis Cifelli |
1997 | Zygiocuspis McKenna and Bell |
2004 | Zygiocuspis Kielan-Jaworowska et al. pp. 411, 424 fig. 11.6D |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, subp = subphylum, uc = unranked clade | |||||
References: Luo et al. 2003, Hendy et al. 2009, Hopson 1973, Carroll 1988 |
Age range: Early/Lower Campanian or 83.50000 to 70.60000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Campanian | USA (Utah) | Z. goldingi (75839) |