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Lavaloceras
Taxonomy
Lavaloceras was named by Flower (1952) [Sepkoski's age data: O Cara O Ashg Sepkoski's reference number: 298]. It is not extant. Its type is Lavaloceras geniculatum.
It was assigned to Oncoceratida by Flower (1952); to Westonoceratidae by Teichert et al. (1964), Crick (1981); and to Discosorida by Sepkoski (2002).
It was assigned to Oncoceratida by Flower (1952); to Westonoceratidae by Teichert et al. (1964), Crick (1981); and to Discosorida by Sepkoski (2002).
Species
L. geniculatum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Lavaloceras Flower p. 52 |
| 1964 | Lavaloceras Teichert et al. p. 333 |
| 1981 | Lavaloceras Crick p. 229 |
| 2002 | Lavaloceras 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Shermanian to the top of the Edenian or 457.30000 to 450.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Shermanian - Edenian | Canada (Quebec) | L. geniculatum (89097) |