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Lauzonella
Taxonomy
Lauzonella was named by Rasetti (1944) [Sepkoski's age data: Cm Fran-u Cm Trep Sepkoski's reference number: 379,459]. It is not extant. Its type is Dikelocephalus planifrons.
It was assigned to Ptychopariida by Sepkoski (2002); and to Idahoiidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Idahoiidae by Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Lauzonella Rasetti |
| 2002 | Lauzonella Jell and Adrain p. 396 |
| 2002 | Lauzonella Sepkoski |
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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.
G. †Lauzonella Rasetti 1944
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†Lauzonella broeggeri Clark 1924
†Lauzonella planifrons Billings 1860
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paibian | USA (Alaska) | L. tripunctata (233750 233751) | |
| Aksaian | Kazakhstan | L. sp. (118446 118447 118450 118451 118453 118454 118455 118456 118457 118458) | |
| Trempealeauan | Canada (Quebec) | L. broeggeri (224133 224139) L. planifrons (224138) |