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Loxonema costulatum
Taxonomy
Loxonema costulatum was named by Perner (1907). It is not extant.
Sister species lacking formal opinion data
Hypsipleura marginata, L. aequale, L. altenburgensis, L. fasgata, L. fritschi, L. gibsoni, L. ichannisbohn, L. johannesbohm, L. johannis, L. johannis, L. johannisbohmi, L. kazanensis, L. lineatum, L. pyrgula, L. turritelliforme, L. turritum, L. ventricosa, L. turritum, Undularia bicarinata, Zygopleura spinosa
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Loxonema costulatum Perner |
| 1907 | Loxonema (Stylonema) libens Perner pp. 342 - 343 figs. pl. 108 case 12; txt. f. 249 |
| 1997 | Loxonema libens Frýda and Bandel p. 21 |
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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 costulatum Perner 1907
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Invalid names: Loxonema libens Perner 1907 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Bambach et al. 2007 | |||||
Age range: base of the Sheinwoodian to the top of the Ludfordian or 432.90000 to 422.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Czechia (Praha) | Loxonema libens (155040) | |
| Ludfordian | Czechia (Bohemia) | Loxonema costulatum (104939) |