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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spanionematidae
Taxonomy
Spanionematidae was named by Golikov and Starobogatov (1987).
It was assigned to Caenogastropoda by Bouchet et al. (2005).
It was assigned to Caenogastropoda by Bouchet et al. (2005).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Spanionematidae Golikov and Starobogatov |
| 2005 | Spanionematidae Bouchet et al. p. 247 |
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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.
Fm. †Spanionematidae Golikov and Starobogatov 1987
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G. †Spanionema Whidborne 1891
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†Spanionema scalaroides Whidborne 1889
†Spanionema varicosa Holzapfel 1895
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Frasnian to the top of the Middle Frasnian or 383.70000 to 379.50000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | United Kingdom (England) | Loxonema scalaroides (130270) | |
| Givetian | Germany (Hessen) | Spanionema scalaroides (38353) | |
| Givetian | Germany (Sauerland) | Spanionema varicosa (51967) | |
| Givetian | Germany (Rheinland-Pfalz) | Spanionema scalaroides (38358) | |
| Early/Lower Frasnian | Poland (Swietokrzyskie Voivodship) | Spanionema scalaroides (75507) | |
| Middle Frasnian | Poland (Wojewodztwo Swietokrzyskie) | Spanionema scalaroides (62174) | |
| Middle Frasnian | Poland (Swietokrzyskie Voivodship) | Spanionema scalaroides (75515) |