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Trochoceramus tricostatus
Taxonomy
Trochoceramus tricostatus was named by Alencáster and Omaña (2006). It is not a trace fossil. Its type locality is Ocozocoautla Fm., bed 2016, which is in a Maastrichtian transition zone/lower shoreface sandstone in the Ocozocoautla Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Trochoceramus tricostatus Alencáster and Omaña |
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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.
†Trochoceramus tricostatus Alencáster and Omaña 2006
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2003, Eaton 1871 | |||||
Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | Mexico (Chiapas) | Trochoceramus tricostatus (type locality: 64439) |