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Lauzonella planifrons
Taxonomy
Dikelocephalus planifrons was named by Billings (1860). Its type specimen is Nat. Mus. Canada, a cephalon/head (cranidium), and it is a 3D body fossil. It is the type species of Lauzonella.
It was recombined as Anomocarella planifrons by Walcott (1914); it was recombined as Lauzonella planifrons by Rasetti (1944).
It was recombined as Anomocarella planifrons by Walcott (1914); it was recombined as Lauzonella planifrons by Rasetti (1944).
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Dikelocephalus planifrons Billings p. 243 |
| 1914 | Anomocarella planifrons Walcott |
| 1944 | Lauzonella planifrons Rasetti p. 244 |
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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.
†Lauzonella planifrons Billings 1860
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Trempealeauan or 490.20000 to 486.85000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | Canada (Quebec) | Lauzonella planifrons (224138) |