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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Loxonema praeteritum
Taxonomy
Stylonema praeteritum was named by Longstaff (1909) [Stylonema (?) praeteritum Longstaff 1909]. It is not extant. Its type locality is Locality 6. Ladywell Wood of Mulloch Hill, which is in a Rhuddanian carbonate limestone in the Mulloch Hill Formation of the United Kingdom.
It was recombined as Loxonema praeteritum by Rohr et al. (1979) and Wagner (2023).
It was recombined as Loxonema praeteritum by Rohr et al. (1979) and Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Stylonema praeteritum Longstaff |
| 1979 | Loxonema praeteritum Rohr et al. |
| 2023 | Loxonema praeteritum Wagner p. 3638 |
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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.
†Loxonema praeteritum Longstaff 1909
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: base of the Rhuddanian to the top of the Siegen or 443.40000 to 409.10000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhuddanian | United Kingdom (Scotland) | Stylonema praeteritum (type locality: 73293) | |
| Gedinnine | Kazakhstan (Karagandinskaya Oblast) | Loxonema praeteritum (69181 69185 69186 69187 69188 69191) | |
| Siegen | Kazakhstan (Karagandinskaya Oblast) | Loxonema praeteritum (69190) |