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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hystriculina ventroplana
Taxonomy
Hystriculina ventroplana was named by Cooper and Grant (1975). Its type specimen is USNM 149777b, a shell (Articulated shell), and it is not a trace fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Hystriculina ventroplana Cooper and Grant p. 983 figs. Pl 315, figs 48-72 |
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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.
†Hystriculina ventroplana Cooper and Grant 1975
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 10 | 6.87 | 5.80 | 7.80 | 6.85 | 0.624 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Gzhelian to the top of the Artinskian or 303.70000 to 279.30000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian | USA (Texas) | Hystriculina ventroplana (43476 43483 43484 43488 43490) | |
| Asselian | USA (Texas) | Hystriculina ventroplana (43468 43469) | |
| Sakmarian | USA (Texas) | Hystriculina ventroplana (102612) | |
| Artinskian | USA (Texas) | Hystriculina ventroplana (105760) |