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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Bicuerda
Taxonomy
Bicuerda was named by Kues and Batten (2001). Its type is Bicuerda procolumnare.
It was assigned to Acanthonematidae by Kues and Batten (2001).
It was assigned to Acanthonematidae by Kues and Batten (2001).
Species
B. columnare, B. procolumnare (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Bicuerda Kues and Batten p. 58 fig. 10 |
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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. †Bicuerda Kues and Batten 2001
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†Bicuerda columnare Erwin 1988
†Bicuerda procolumnare Kues and Batten 2001
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 7.70 |
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Desmoinesian to the top of the Kungurian or 312.80000 to 272.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Desmoinesian | USA (New Mexico) | B. procolumnare (46536) | |
| Artinskian | USA (New Mexico) | Orthonema columnare (101770 101771 101795) | |
| Artinskian | USA (Texas) | Orthonema columnare (101772 101773) | |
| Kungurian | USA (Texas) | Orthonema columnare (75923) |